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1. Robert McNees (mcnees@mastodon.social)'s status on Tuesday, 31-Oct-2023 11:57:48 UTC Robert McNees

   🎃The Witch Head Nebula🎃

   Image Credit: NASA / STScI Digitized Sky Survey / Noel Carboni

   • Robert McNees (mcnees@mastodon.social)'s status on Tuesday, 31-Oct-2023 12:22:45 UTC Robert McNees

     in reply to

     The dead comet, asteroid 2015 TB145.

     Image: NAIC-Arecibo / NSF

   • Robert McNees (mcnees@mastodon.social)'s status on Tuesday, 31-Oct-2023 13:13:34 UTC Robert McNees

     in reply to

     A blazing skull screams in X-ray at the heart of the Perseus Cluster.

     Image: A. Fabian (IoA Cambridge) et al., NASA

     https://apod.nasa.gov/apod/ap001031.html

   • Robert McNees (mcnees@mastodon.social)'s status on Tuesday, 31-Oct-2023 13:59:05 UTC Robert McNees

     in reply to

     • Michael Busch
     • Martin Vermeer FCD

     @michael_w_busch @martinvermeer shhhhhhhhh!

   • Martin Vermeer FCD (martinvermeer@fediscience.org)'s status on Tuesday, 31-Oct-2023 13:59:06 UTC Martin Vermeer FCD

     in reply to

     @mcnees Actually a radar image. And it moves...

   • Michael Busch (michael_w_busch@mastodon.online)'s status on Tuesday, 31-Oct-2023 13:59:06 UTC Michael Busch

     in reply to

     • Martin Vermeer FCD

     @martinvermeer @mcnees People not familiar with how delay-Doppler images work tend to be disappointed when I explain that the asteroid does not actually look like a skull.