How can we better measure G, the gravitational constant?
#AskEthan
The universal gravitational constant, G, is one of the oldest fundamental constant of all, and yet, one of the least well-measured.
Can measuring it from space help?
bigthink.com/starts-with-...
#space #physics #astro
#AskEthan
The universal gravitational constant, G, is one of the oldest fundamental constant of all, and yet, one of the least well-measured.
Can measuring it from space help?
bigthink.com/starts-with-...
#space #physics #astro
Ask Ethan: How can we better measure G, the gravitational constant?
We first measured G, the gravitational constant, back in the 18th century. As the least well-known fundamental constant, can it be improved?
bigthink.com
November 14, 2025 at 8:04 AM
How can we better measure G, the gravitational constant?
#AskEthan
The universal gravitational constant, G, is one of the oldest fundamental constant of all, and yet, one of the least well-measured.
Can measuring it from space help?
bigthink.com/starts-with-...
#space #physics #astro
#AskEthan
The universal gravitational constant, G, is one of the oldest fundamental constant of all, and yet, one of the least well-measured.
Can measuring it from space help?
bigthink.com/starts-with-...
#space #physics #astro
Can Weber bars detect gravitational waves?
#AskEthan
Starting with 2015's first gravitational wave detection, LIGO/Virgo/KAGRA have now seen hundreds of gravitational waves.
Could the original detector design, Weber bars, work today?
bigthink.com/starts-with-...
#space #astro #physics #weber
#AskEthan
Starting with 2015's first gravitational wave detection, LIGO/Virgo/KAGRA have now seen hundreds of gravitational waves.
Could the original detector design, Weber bars, work today?
bigthink.com/starts-with-...
#space #astro #physics #weber
Ask Ethan: Can Weber bars detect gravitational waves?
We've now detected hundreds of gravitational waves with LIGO, Virgo, and KAGRA. What if we tried Weber's original method in the modern day?
bigthink.com
November 7, 2025 at 4:52 PM
Could evolving dark energy lead to a Big Crunch?
#AskEthan
It looks like dark energy *may* be evolving in our Universe, as recent DESI data suggests.
But implying that we're headed for a Big Crunch completely oversells what we know.
bigthink.com/starts-with-...
#space #astro #darkenergy
#AskEthan
It looks like dark energy *may* be evolving in our Universe, as recent DESI data suggests.
But implying that we're headed for a Big Crunch completely oversells what we know.
bigthink.com/starts-with-...
#space #astro #darkenergy
Ask Ethan: Could evolving dark energy lead to a Big Crunch?
There's some, but not overwhelming, evidence that dark energy is evolving. What would it take for a "Big Crunch" to be our cosmic fate?
bigthink.com
October 31, 2025 at 4:17 PM
Could evolving dark energy lead to a Big Crunch?
#AskEthan
It looks like dark energy *may* be evolving in our Universe, as recent DESI data suggests.
But implying that we're headed for a Big Crunch completely oversells what we know.
bigthink.com/starts-with-...
#space #astro #darkenergy
#AskEthan
It looks like dark energy *may* be evolving in our Universe, as recent DESI data suggests.
But implying that we're headed for a Big Crunch completely oversells what we know.
bigthink.com/starts-with-...
#space #astro #darkenergy
Could the Universe have been expanding forever?
#AskEthan
The Universe is expanding today, and looks like it will do so forever.
But was it expanding eternally into the past as well?
Most physicists think "no," and this theorem explains why.
bigthink.com/starts-with-...
#space #physics #astro
#AskEthan
The Universe is expanding today, and looks like it will do so forever.
But was it expanding eternally into the past as well?
Most physicists think "no," and this theorem explains why.
bigthink.com/starts-with-...
#space #physics #astro
Ask Ethan: Why couldn't the Universe have expanded forever?
For 13.8 billion years, the Universe has been expanding. But that couldn't have been the case for an eternity, and science has proven it.
bigthink.com
October 24, 2025 at 3:31 PM
Could the Universe have been expanding forever?
#AskEthan
The Universe is expanding today, and looks like it will do so forever.
But was it expanding eternally into the past as well?
Most physicists think "no," and this theorem explains why.
bigthink.com/starts-with-...
#space #physics #astro
#AskEthan
The Universe is expanding today, and looks like it will do so forever.
But was it expanding eternally into the past as well?
Most physicists think "no," and this theorem explains why.
bigthink.com/starts-with-...
#space #physics #astro
Is the Hubble tension the same thing as dark energy?
#AskEthan
The Hubble tension is a big cosmic puzzle.
Dark energy might be evolving, and still remains mysterious.
But these two problems aren't the same.
Here's what makes them distinct.
bigthink.com/starts-with-...
#space #astro #cosmology
#AskEthan
The Hubble tension is a big cosmic puzzle.
Dark energy might be evolving, and still remains mysterious.
But these two problems aren't the same.
Here's what makes them distinct.
bigthink.com/starts-with-...
#space #astro #cosmology
Ask Ethan: Is the Hubble tension the same thing as dark energy?
Observations with the Hubble space telescope helped cement dark energy and reveal the Hubble tension. How are these two things so different?
bigthink.com
October 17, 2025 at 4:30 PM
Is the Hubble tension the same thing as dark energy?
#AskEthan
The Hubble tension is a big cosmic puzzle.
Dark energy might be evolving, and still remains mysterious.
But these two problems aren't the same.
Here's what makes them distinct.
bigthink.com/starts-with-...
#space #astro #cosmology
#AskEthan
The Hubble tension is a big cosmic puzzle.
Dark energy might be evolving, and still remains mysterious.
But these two problems aren't the same.
Here's what makes them distinct.
bigthink.com/starts-with-...
#space #astro #cosmology
How many generations of stars came before the Sun?
#AskEthan
There are three stellar populations: Population I, for Sun-like stars, Population II, for metal-poor stars, and Population III, for the first stars.
Does that mean we're a 3rd generation star?
bigthink.com/starts-with-...
#space #astro
#AskEthan
There are three stellar populations: Population I, for Sun-like stars, Population II, for metal-poor stars, and Population III, for the first stars.
Does that mean we're a 3rd generation star?
bigthink.com/starts-with-...
#space #astro
Ask Ethan: How many generations of stars came before the Sun?
Our Sun only arose after 9.2 billion years of cosmic history: with many stars living and dying first. How many prior generations were there?
bigthink.com
October 10, 2025 at 4:10 PM
How many generations of stars came before the Sun?
#AskEthan
There are three stellar populations: Population I, for Sun-like stars, Population II, for metal-poor stars, and Population III, for the first stars.
Does that mean we're a 3rd generation star?
bigthink.com/starts-with-...
#space #astro
#AskEthan
There are three stellar populations: Population I, for Sun-like stars, Population II, for metal-poor stars, and Population III, for the first stars.
Does that mean we're a 3rd generation star?
bigthink.com/starts-with-...
#space #astro
How and when will the Universe die?
#AskEthan
Ever since the discovery of dark energy, astronomers have been secure in predicting the heat death of our Universe.
But if dark energy is changing, as DESI data suggests, are all bets off?
bigthink.com/starts-with-...
#space #cosmology #astro
#AskEthan
Ever since the discovery of dark energy, astronomers have been secure in predicting the heat death of our Universe.
But if dark energy is changing, as DESI data suggests, are all bets off?
bigthink.com/starts-with-...
#space #cosmology #astro
Ask Ethan: How and when will the Universe die?
As the Universe ages, it continues to gravitate, form stars, and expand. And yet, all this will someday end. Do we finally understand how?
bigthink.com
October 3, 2025 at 5:02 PM
How and when will the Universe die?
#AskEthan
Ever since the discovery of dark energy, astronomers have been secure in predicting the heat death of our Universe.
But if dark energy is changing, as DESI data suggests, are all bets off?
bigthink.com/starts-with-...
#space #cosmology #astro
#AskEthan
Ever since the discovery of dark energy, astronomers have been secure in predicting the heat death of our Universe.
But if dark energy is changing, as DESI data suggests, are all bets off?
bigthink.com/starts-with-...
#space #cosmology #astro
Where are we located relative to the Big Bang?
#AskEthan
The Big Bang didn't occur at a single location in space, but rather, everywhere at once.
If we assumed it was a big ka-boom, we'd be shockingly close to its origin point.
bigthink.com/starts-with-...
#space #astro #bigbang #notanexplosion
#AskEthan
The Big Bang didn't occur at a single location in space, but rather, everywhere at once.
If we assumed it was a big ka-boom, we'd be shockingly close to its origin point.
bigthink.com/starts-with-...
#space #astro #bigbang #notanexplosion
Ask Ethan: Where are we located relative to the Big Bang?
If you think of the Big Bang as an explosion, we can trace it back to a single point-of-origin. But what if it happened everywhere at once?
bigthink.com
September 26, 2025 at 10:01 AM
Where are we located relative to the Big Bang?
#AskEthan
The Big Bang didn't occur at a single location in space, but rather, everywhere at once.
If we assumed it was a big ka-boom, we'd be shockingly close to its origin point.
bigthink.com/starts-with-...
#space #astro #bigbang #notanexplosion
#AskEthan
The Big Bang didn't occur at a single location in space, but rather, everywhere at once.
If we assumed it was a big ka-boom, we'd be shockingly close to its origin point.
bigthink.com/starts-with-...
#space #astro #bigbang #notanexplosion
@ashleybvigil.bsky.social Hey I don't know if you saw, but your last email to me got me thinking so hard you just became the latest #AskEthan!
September 20, 2025 at 11:54 PM
@ashleybvigil.bsky.social Hey I don't know if you saw, but your last email to me got me thinking so hard you just became the latest #AskEthan!
What is the true purpose of scientific peer review?
#AskEthan
Passing peer review isn't "crossing the finish line" where every claim inside has now been verified to be correct.
Instead, it's "crossing the start line" by science's high standards.
bigthink.com/starts-with-...
#science #space
#AskEthan
Passing peer review isn't "crossing the finish line" where every claim inside has now been verified to be correct.
Instead, it's "crossing the start line" by science's high standards.
bigthink.com/starts-with-...
#science #space
Ask Ethan: What is the true purpose of scientific peer review?
Just because a paper passes peer review doesn't mean that what's written, or what the author asserts, is true. Here's why it still matters.
bigthink.com
September 19, 2025 at 5:06 PM
What is the true purpose of scientific peer review?
#AskEthan
Passing peer review isn't "crossing the finish line" where every claim inside has now been verified to be correct.
Instead, it's "crossing the start line" by science's high standards.
bigthink.com/starts-with-...
#science #space
#AskEthan
Passing peer review isn't "crossing the finish line" where every claim inside has now been verified to be correct.
Instead, it's "crossing the start line" by science's high standards.
bigthink.com/starts-with-...
#science #space
Where does cosmic dust come from?
#AskEthan
Of all the things that needed to arise to enable life in our Universe, the least appreciated is cosmic dust.
At last, astronomers have pinned down the primary source of its creation.
bigthink.com/starts-with-...
#space #astro #dust #signal #noise
#AskEthan
Of all the things that needed to arise to enable life in our Universe, the least appreciated is cosmic dust.
At last, astronomers have pinned down the primary source of its creation.
bigthink.com/starts-with-...
#space #astro #dust #signal #noise
Ask Ethan: Where does cosmic dust come from?
Dust is ubiquitous in the modern Universe, appearing in nearly all galaxies. But our cosmos was born dust-free. So where does it originate?
bigthink.com
September 12, 2025 at 4:18 PM
Could “positive geometry” unlock the theory of everything?
#AskEthan
Searches for a theory of everything have been challenging, to say the least.
Does positive geometry, bolstered by the discovery of the amplituhedron, offer a promising new road?
bigthink.com/starts-with-...
#physics #math
#AskEthan
Searches for a theory of everything have been challenging, to say the least.
Does positive geometry, bolstered by the discovery of the amplituhedron, offer a promising new road?
bigthink.com/starts-with-...
#physics #math
Ask Ethan: Could "positive geometry" unlock the theory of everything?
Since even before Einstein, physicists have sought a theory of everything to explain the Universe. Can positive geometry lead us there?
bigthink.com
September 5, 2025 at 3:16 PM
Could “positive geometry” unlock the theory of everything?
#AskEthan
Searches for a theory of everything have been challenging, to say the least.
Does positive geometry, bolstered by the discovery of the amplituhedron, offer a promising new road?
bigthink.com/starts-with-...
#physics #math
#AskEthan
Searches for a theory of everything have been challenging, to say the least.
Does positive geometry, bolstered by the discovery of the amplituhedron, offer a promising new road?
bigthink.com/starts-with-...
#physics #math
Is dark energy no longer a cosmological constant?
#AskEthan
With CMB, supernova, and large-scale structure data all combined, a "vanilla" ΛCDM cosmology doesn't look right anymore.
Many favor evolving dark energy, but is that the right answer?
bigthink.com/starts-with-...
#physics #astro #space
#AskEthan
With CMB, supernova, and large-scale structure data all combined, a "vanilla" ΛCDM cosmology doesn't look right anymore.
Many favor evolving dark energy, but is that the right answer?
bigthink.com/starts-with-...
#physics #astro #space
Ask Ethan: Is dark energy no longer a cosmological constant?
The Universe isn't just expanding; the expansion is accelerating. If different methods yield incompatible results, is dark energy evolving?
bigthink.com
August 29, 2025 at 4:20 PM
Is dark energy no longer a cosmological constant?
#AskEthan
With CMB, supernova, and large-scale structure data all combined, a "vanilla" ΛCDM cosmology doesn't look right anymore.
Many favor evolving dark energy, but is that the right answer?
bigthink.com/starts-with-...
#physics #astro #space
#AskEthan
With CMB, supernova, and large-scale structure data all combined, a "vanilla" ΛCDM cosmology doesn't look right anymore.
Many favor evolving dark energy, but is that the right answer?
bigthink.com/starts-with-...
#physics #astro #space
Can “zero-point energy” power the world?
#AskEthan
The promise of "free energy" is always alluring, but usually violates the laws of physics in some way.
Could "zero-point energy" be the ultimate solution?
bigthink.com/starts-with-...
#space #energy #physics
#AskEthan
The promise of "free energy" is always alluring, but usually violates the laws of physics in some way.
Could "zero-point energy" be the ultimate solution?
bigthink.com/starts-with-...
#space #energy #physics
Ask Ethan: Can "zero-point energy" power the world?
Throughout history, "free energy" has been a scammer's game, such as perpetual motion. But with zero-point energy, is it actually possible?
bigthink.com
August 22, 2025 at 5:17 PM
Can “zero-point energy” power the world?
#AskEthan
The promise of "free energy" is always alluring, but usually violates the laws of physics in some way.
Could "zero-point energy" be the ultimate solution?
bigthink.com/starts-with-...
#space #energy #physics
#AskEthan
The promise of "free energy" is always alluring, but usually violates the laws of physics in some way.
Could "zero-point energy" be the ultimate solution?
bigthink.com/starts-with-...
#space #energy #physics
Did life begin when the Universe was room temperature?
#AskEthan
Here on Earth, our planet has the right temperature for liquid water, enabling life.
In the very young Universe, space was that same temperature.
Could life have existed back then?
bigthink.com/starts-with-...
#space #astro #life
#AskEthan
Here on Earth, our planet has the right temperature for liquid water, enabling life.
In the very young Universe, space was that same temperature.
Could life have existed back then?
bigthink.com/starts-with-...
#space #astro #life
Ask Ethan: Did life begin when the Universe was room temperature?
The Universe was born incredibly hot, and has expanded and cooled ever since. Could life have begun back when space was "room temperature?"
bigthink.com
August 15, 2025 at 3:26 PM
Did life begin when the Universe was room temperature?
#AskEthan
Here on Earth, our planet has the right temperature for liquid water, enabling life.
In the very young Universe, space was that same temperature.
Could life have existed back then?
bigthink.com/starts-with-...
#space #astro #life
#AskEthan
Here on Earth, our planet has the right temperature for liquid water, enabling life.
In the very young Universe, space was that same temperature.
Could life have existed back then?
bigthink.com/starts-with-...
#space #astro #life
Are parallel universes and the multiverse real?
#AskEthan
Parallel universes and the multiverse are fun, but highly speculative, ideas.
Can anything we do ever "prove" that they're actually real?
bigthink.com/starts-with-...
#space #astro #physics #science
#AskEthan
Parallel universes and the multiverse are fun, but highly speculative, ideas.
Can anything we do ever "prove" that they're actually real?
bigthink.com/starts-with-...
#space #astro #physics #science
Ask Ethan: Are parallel universes and the multiverse real?
Parallel universes are among the most profound notions in all of quantum physics. It's a compelling and fascinating idea, but is it true?
bigthink.com
August 8, 2025 at 3:21 PM
Why do scientists avoid the possibility of God?
#AskEthan
When scientists talk about everything, even the beginning of the Universe, "divine intervention" never makes it into the discussion.
Even though it's possible, it's not of scientific interest.
bigthink.com/starts-with-...
#science #space
#AskEthan
When scientists talk about everything, even the beginning of the Universe, "divine intervention" never makes it into the discussion.
Even though it's possible, it's not of scientific interest.
bigthink.com/starts-with-...
#science #space
Ask Ethan: Why do scientists avoid the possibility of God?
When it comes to our Universe's origins, scientists discuss the Big Bang, cosmic inflation, and other theories. Why doesn't "God" come up?
bigthink.com
August 1, 2025 at 3:35 PM
Why do scientists avoid the possibility of God?
#AskEthan
When scientists talk about everything, even the beginning of the Universe, "divine intervention" never makes it into the discussion.
Even though it's possible, it's not of scientific interest.
bigthink.com/starts-with-...
#science #space
#AskEthan
When scientists talk about everything, even the beginning of the Universe, "divine intervention" never makes it into the discussion.
Even though it's possible, it's not of scientific interest.
bigthink.com/starts-with-...
#science #space
Can you (at some point when you have the time) discuss the strength of evidence of a direct-collapse SMBH in between the 2 components of the "Infinity Galaxy"?
scitechdaily.com/never-been-s...
#AskEthan
scitechdaily.com/never-been-s...
#AskEthan
“Never Been Seen Before” – Astronomers Discover Bizarre “Infinity” Galaxy
Astronomers have discovered a galaxy shaped like an infinity symbol that may contain the first directly observed newborn supermassive black hole. Yale astronomer Pieter van Dokkum and his team have id...
scitechdaily.com
July 31, 2025 at 4:39 PM
Can you (at some point when you have the time) discuss the strength of evidence of a direct-collapse SMBH in between the 2 components of the "Infinity Galaxy"?
scitechdaily.com/never-been-s...
#AskEthan
scitechdaily.com/never-been-s...
#AskEthan
Did our Universe really arise from nothing?
#AskEthan
Our Universe arose from a state of inflating, exponentially expanding, empty space.
But is it really fair to say that this means our Universe came from "nothing?"
bigthink.com/starts-with-...
#space #science #astro
#AskEthan
Our Universe arose from a state of inflating, exponentially expanding, empty space.
But is it really fair to say that this means our Universe came from "nothing?"
bigthink.com/starts-with-...
#space #science #astro
Ask Ethan: Did our Universe really arise from nothing?
The Big Bang was hot, dense, uniform, and filled with matter and energy. Before that? There was nothing. Here's how that's possible.
bigthink.com
July 25, 2025 at 3:54 PM
Did our Universe really arise from nothing?
#AskEthan
Our Universe arose from a state of inflating, exponentially expanding, empty space.
But is it really fair to say that this means our Universe came from "nothing?"
bigthink.com/starts-with-...
#space #science #astro
#AskEthan
Our Universe arose from a state of inflating, exponentially expanding, empty space.
But is it really fair to say that this means our Universe came from "nothing?"
bigthink.com/starts-with-...
#space #science #astro
Could our whole Universe be a black hole’s interior?
#AskEthan
Could the Big Bang that our Universe emerged from be related to a black hole's interior from a previous Universe?
The idea is wild, sure. But worth exploring? Definitely!
bigthink.com/starts-with-...
#space #astro #cosmology #physics
#AskEthan
Could the Big Bang that our Universe emerged from be related to a black hole's interior from a previous Universe?
The idea is wild, sure. But worth exploring? Definitely!
bigthink.com/starts-with-...
#space #astro #cosmology #physics
Ask Ethan: Could our whole Universe be a black hole's interior?
Once you cross a black hole's event horizon, there's no going back. But inside, could creating a singularity give birth to a new Universe?
bigthink.com
July 18, 2025 at 2:42 PM
Could our whole Universe be a black hole’s interior?
#AskEthan
Could the Big Bang that our Universe emerged from be related to a black hole's interior from a previous Universe?
The idea is wild, sure. But worth exploring? Definitely!
bigthink.com/starts-with-...
#space #astro #cosmology #physics
#AskEthan
Could the Big Bang that our Universe emerged from be related to a black hole's interior from a previous Universe?
The idea is wild, sure. But worth exploring? Definitely!
bigthink.com/starts-with-...
#space #astro #cosmology #physics
Can we fix the worst prediction in all of science?
#AskEthan
The cosmological constant is the worst prediction in all of science, off by ~122 orders of magnitude from the observed value.
Even worse: it's two unsolved problems in one.
bigthink.com/starts-with-...
#physics #space #particles
#AskEthan
The cosmological constant is the worst prediction in all of science, off by ~122 orders of magnitude from the observed value.
Even worse: it's two unsolved problems in one.
bigthink.com/starts-with-...
#physics #space #particles
Ask Ethan: Can we fix the worst prediction in all of science?
The measured value of the cosmological constant is 120 orders of magnitude smaller than what's predicted. How can this paradox be resolved?
bigthink.com
July 11, 2025 at 4:14 PM
Can we fix the worst prediction in all of science?
#AskEthan
The cosmological constant is the worst prediction in all of science, off by ~122 orders of magnitude from the observed value.
Even worse: it's two unsolved problems in one.
bigthink.com/starts-with-...
#physics #space #particles
#AskEthan
The cosmological constant is the worst prediction in all of science, off by ~122 orders of magnitude from the observed value.
Even worse: it's two unsolved problems in one.
bigthink.com/starts-with-...
#physics #space #particles
Could the CMB arise from galaxies, not the Big Bang?
#AskEthan
A very dubious claim has been making the rounds: that part or even all the CMB isn't of cosmic origin.
Here's how that claim falls apart with even a cursory look at the science.
bigthink.com/starts-with-...
#space #astro #physics
#AskEthan
A very dubious claim has been making the rounds: that part or even all the CMB isn't of cosmic origin.
Here's how that claim falls apart with even a cursory look at the science.
bigthink.com/starts-with-...
#space #astro #physics
Ask Ethan: Could the CMB arise from galaxies, not the Big Bang?
The CMB has long been considered the Big Bang's "smoking gun" evidence. But after what JWST saw, might it come from early galaxies instead?
bigthink.com
July 4, 2025 at 3:30 PM
Could the CMB arise from galaxies, not the Big Bang?
#AskEthan
A very dubious claim has been making the rounds: that part or even all the CMB isn't of cosmic origin.
Here's how that claim falls apart with even a cursory look at the science.
bigthink.com/starts-with-...
#space #astro #physics
#AskEthan
A very dubious claim has been making the rounds: that part or even all the CMB isn't of cosmic origin.
Here's how that claim falls apart with even a cursory look at the science.
bigthink.com/starts-with-...
#space #astro #physics
What puzzles can the Vera Rubin Observatory help solve?
#AskEthan
The Vera C. Rubin Observatory has delighted the world with their first look observations.
Now, here are the scientific advances this fully functional observatory should bring to us all.
bigthink.com/starts-with-...
#space #astro
#AskEthan
The Vera C. Rubin Observatory has delighted the world with their first look observations.
Now, here are the scientific advances this fully functional observatory should bring to us all.
bigthink.com/starts-with-...
#space #astro
Ask Ethan: What puzzles can the Vera Rubin Observatory help solve?
In just its first 10 hours of observations, the Vera Rubin observatory discovered more than 2000 new asteroids. What else will it teach us?
bigthink.com
June 27, 2025 at 4:24 PM
What puzzles can the Vera Rubin Observatory help solve?
#AskEthan
The Vera C. Rubin Observatory has delighted the world with their first look observations.
Now, here are the scientific advances this fully functional observatory should bring to us all.
bigthink.com/starts-with-...
#space #astro
#AskEthan
The Vera C. Rubin Observatory has delighted the world with their first look observations.
Now, here are the scientific advances this fully functional observatory should bring to us all.
bigthink.com/starts-with-...
#space #astro
Is the Hubble tension a real problem?
#AskEthan
Famed astronomer Wendy Freedman claims (including in an interview with me) that the Hubble tension may not be real.
A large suite of evidence, rebutting many of her claims, suggests otherwise.
bigthink.com/starts-with-...
#space #astronomy #astro
#AskEthan
Famed astronomer Wendy Freedman claims (including in an interview with me) that the Hubble tension may not be real.
A large suite of evidence, rebutting many of her claims, suggests otherwise.
bigthink.com/starts-with-...
#space #astronomy #astro
Ask Ethan: Is the Hubble tension a real problem?
Is the Universe's expansion rate 67 km/s/Mpc, 73 km/s/Mpc, or somewhere in between? The Hubble tension is real, and not so easy to resolve.
bigthink.com
June 20, 2025 at 3:33 PM
Is the Hubble tension a real problem?
#AskEthan
Famed astronomer Wendy Freedman claims (including in an interview with me) that the Hubble tension may not be real.
A large suite of evidence, rebutting many of her claims, suggests otherwise.
bigthink.com/starts-with-...
#space #astronomy #astro
#AskEthan
Famed astronomer Wendy Freedman claims (including in an interview with me) that the Hubble tension may not be real.
A large suite of evidence, rebutting many of her claims, suggests otherwise.
bigthink.com/starts-with-...
#space #astronomy #astro