Marc Postman

@astromarc.bsky.social

761 Followers 129 Following

Astronomer studying galaxies, clusters, and dark matter. Envisioning the future of space astronomy. My posts are my own views. (he/him)

Google AI claims the letter p is the 2nd letter in the word Google.
Scene showing snow covering backyard. Sunlight reflecting off snow on tree branches.
A photograph of the sky directly overhead at night. Trees surround the borders of the image. In the center is a small bright trail of light which is the international space station.
A path through a green valley surrounded by mountains. A blue sky with a few white clouds highlights the clear weather when the photo was taken.
Photo of the telescope assembly of the Nancy Grace Roman Space Telescope in the main spacecraft clean room at the Goddard Space Flight Center. Several technicians dressed in white protective suits are seen working on the telescope.
A photo of me at the AAS Meeting site standing in front of a large poster for the habitable worlds observatory.
A picture of a coastline under a mostly clear blue sky with scattered cumulus clouds. In the foreground is a blue sea.
Picture of green and red aurora near the northern horizon as seen from Baltimore County, Maryland on the evening of October 10, 2024
Picture of night sky showing pink Aurora as seen from just outside of Baltimore, MD on October 10 at 7:35 PM local time.
An elliptical horizontal band that is white in the center and shifts to orange at the edges. On the upper right lies a spur of light that resembles a cat’s tail. This is image depicts the dust disk around the star Beta Pic.
This is a JWST image of the Crab Nebula. Wispy bands of red, orange, white, and pale blue make up this image showing the gas remaining around the Crab Nebula - the site of supernova that exploded in the year 1054. This image is a combination of data taken with JWST's NIRCam and MIRI instruments.
Two people in costume. The person on the right is wearing a pirate captain’s outfit with in a red coat. The person on the left is dressed as Dorothy, the young girl from the Wizard of Oz story.
A blue poppy flower shown with blue and violet petals and a yellow central stem.