Carlos Alfaro
cmcalfaro.bsky.social
Carlos Alfaro
@cmcalfaro.bsky.social
Reposted by Carlos Alfaro
Airspace closures *and* the debris response areas which might be activated in the event of a total unscheduled rapid disassembly (TURD)
February 27, 2025 at 5:40 AM
Reposted by Carlos Alfaro
"We need an off-ramp for reliance on the SLS.” Quite the turn here from an influential voice in space policy.

arstechnica.com/space/2025/0...
Long-time advocate of SLS rocket says it’s time to find an “off-ramp”
“A revised Artemis campaign plan should be a high priority for the new NASA Administrator.”…
arstechnica.com
February 26, 2025 at 3:05 PM
Reposted by Carlos Alfaro
Asteroid 2024 YR4 may be a dud, but we will soon find many more threats
“The YR4 episode is just the beginning.”…
arstechnica.com
February 24, 2025 at 2:39 PM
Reposted by Carlos Alfaro
New Scientist magazine interviewed me about the Space Library www.youtube.com/watch?v=LKXr...
Meet the man who single-handedly tracks every spaceflight mission ever
YouTube video by New Scientist
www.youtube.com
February 21, 2025 at 2:22 PM
Reposted by Carlos Alfaro
ESA's response to Musk's ISS ramblings "The International Space Station is a project involving various international partners. As such, all matters regarding the ISS are discussed together with all space agencies involved."
February 21, 2025 at 7:49 AM
Reposted by Carlos Alfaro
we are live with matthew weinzeirl and brendan rousseau to talk about their new book space to grow

www.youtube.com/watch?v=q8aQ...
Episode 185 (with Matthew Weinzierl and Brendan Rosseau)
YouTube video by Off-Nominal
www.youtube.com
February 20, 2025 at 9:05 PM
Reposted by Carlos Alfaro
In a remarkable statement Thursday, SpaceX founder Elon Musk said the International Space Station should be deorbited "as soon as possible." Here's what I think this all means.

arstechnica.com/space/2025/0...
Elon Musk recommends that the International Space Station be deorbited ASAP
“There is very little incremental utility. Let’s go to Mars.”…
arstechnica.com
February 20, 2025 at 7:15 PM
Reposted by Carlos Alfaro
A Falcon 9 upper stage (#62878), which was launched on 1 February 2025, reentered the atmosphere over Europe at approximately 04:46 CET this morning.

Video credit: Ludi, taken from Leipzig Central Railway Station, Germany, and used with permission
February 19, 2025 at 11:43 AM
Reposted by Carlos Alfaro
Reposted by Carlos Alfaro
Reposted by Carlos Alfaro
Efforts underway at scale to back up key datasets at NASA and NOAA, with collaborations now reaching out to cover a broader set of scientists. The Data Rescue Project released a collaborative tool built to catalog all existing public data rescue efforts www.datarescueproject.org/data-rescue-...
The Data Rescue Tracker
We are excited to introduce the Data Rescue Tracker, a collaborative tool built to catalog existing public data rescue efforts so that we can coordinate better across initiatives. At this stage, you c...
www.datarescueproject.org
February 18, 2025 at 11:13 AM
Reposted by Carlos Alfaro
The science behind making sonic booms quieter
www.youtube.com/watch?v=CM5l...
Sonic Boomless - How To Bring Supersonic Flight Back To The Future
YouTube video by Scott Manley
www.youtube.com
February 17, 2025 at 9:44 PM
Reposted by Carlos Alfaro
How do you image shockwaves around an aircraft in flight? You need a light source that's well collimated.... like the sun.
February 17, 2025 at 1:23 AM
Reposted by Carlos Alfaro
Orbex's move to develop its medium-lift Proxima rocket is directly tied to its European Launcher Challenge bid, aiming to fund its development with the €150 million award.
europeanspaceflight.com/orbex-bettin...
Orbex Betting the Farm on Its European Launcher Challenge Bid
Orbex's move to develop its medium-lift Proxima rocket is directly tied to its European Launcher Challenge bid, aiming to fund its development with the €150 million award.
europeanspaceflight.com
February 17, 2025 at 7:16 AM
Reposted by Carlos Alfaro
From heospace.com
"Check out this side view of the Chinese Space Station from orbit.

This non-Earth imaging mission was taken from 70.51 km away and had an image resolution of 0.15 m/px."
February 16, 2025 at 10:22 PM
Reposted by Carlos Alfaro
Starship 20 at sunset yesterday
📷 Jack Beyer for NSF
February 16, 2025 at 7:04 PM