Marc Postman
@astromarc.bsky.social
Astronomer studying galaxies, clusters, and dark matter. Envisioning the future of space astronomy. My posts are my own views. (he/him)
NYT buries the lead yet again. The biggest challenge the refer to is governing NYC. This challenge would be present regardless of which candidate is elected. NYT: Don't make it a left vs right issue. NYT is really going downhill.
October 26, 2025 at 3:51 PM
NYT buries the lead yet again. The biggest challenge the refer to is governing NYC. This challenge would be present regardless of which candidate is elected. NYT: Don't make it a left vs right issue. NYT is really going downhill.
Nice overhead pass of the ISS tonight. A reminder of the remarkable things NASA does. Hoping we can continue to explore the universe…
September 10, 2025 at 1:12 AM
Nice overhead pass of the ISS tonight. A reminder of the remarkable things NASA does. Hoping we can continue to explore the universe…
Yeah you're right. It gets kpc to meters correct and gets years to seconds correct but somehow cannot do kpc/year conversion to m/s correctly.
August 4, 2025 at 7:35 PM
Yeah you're right. It gets kpc to meters correct and gets years to seconds correct but somehow cannot do kpc/year conversion to m/s correctly.
A peaceful walk to work
July 9, 2025 at 7:51 AM
A peaceful walk to work
But nice rainbow afterwards.
May 16, 2025 at 10:35 PM
But nice rainbow afterwards.
Aldous was much closer to the mark than Orwell.
April 18, 2025 at 12:37 PM
Aldous was much closer to the mark than Orwell.
Exciting to see the Roman Space Telescope taking shape at NASA’s Goddard Space Flight Center today.
February 24, 2025 at 8:51 PM
Exciting to see the Roman Space Telescope taking shape at NASA’s Goddard Space Flight Center today.
Astronomy (and Hubble Space Telescope in particular) makes yet another appearance on Jeopardy this week! "What is the Magellanic Cloud?"
February 13, 2025 at 4:29 PM
Astronomy (and Hubble Space Telescope in particular) makes yet another appearance on Jeopardy this week! "What is the Magellanic Cloud?"
Congratulations to my colleagues at STScI who built and won the "best float" prize in the 2024 Mayor's Christmas Parade in Baltimore city. The float included models of the Hubble, James Webb, and Roman Space Telescopes!
December 31, 2024 at 6:59 PM
Congratulations to my colleagues at STScI who built and won the "best float" prize in the 2024 Mayor's Christmas Parade in Baltimore city. The float included models of the Hubble, James Webb, and Roman Space Telescopes!
My blue sky post for today.
November 16, 2024 at 12:50 PM
My blue sky post for today.
Aurora in Baltimore!
October 10, 2024 at 11:47 PM
Aurora in Baltimore!
Excited to see the broadway show about calcium in stars!
July 6, 2024 at 5:40 PM
Excited to see the broadway show about calcium in stars!
My early birthday cake this year was a lot easier to get than JWST time!
March 30, 2024 at 1:15 AM
My early birthday cake this year was a lot easier to get than JWST time!
The JWST Beta Pic image sure is interesting! webbtelescope.org/contents/new...
January 13, 2024 at 5:49 PM
The JWST Beta Pic image sure is interesting! webbtelescope.org/contents/new...
STScI colleagues and I attended the National Space Council meeting in DC today. Vice President Harris led off the meeting with a focus on international cooperation in space endeavors.
December 21, 2023 at 1:01 AM
STScI colleagues and I attended the National Space Council meeting in DC today. Vice President Harris led off the meeting with a focus on international cooperation in space endeavors.
JWST gets its cameo appearance on the new season of “For All Mankind”.
November 12, 2023 at 1:53 PM
JWST gets its cameo appearance on the new season of “For All Mankind”.
A stellar crypt for Halloween. Enjoy, if you dare.
October 31, 2023 at 3:32 AM
A stellar crypt for Halloween. Enjoy, if you dare.
Halloween at the symphony! Aaargh!
October 28, 2023 at 11:57 PM
Halloween at the symphony! Aaargh!