APOD

1. Trifecta at Twilight

   On February 18, as civil twilight began in northern New Mexico skies,

   
   

2. UGC 12591: The Fastest Rotating Galaxy Known

   Why does this galaxy spin so fast?

   
   

3. Orion over the Central Bohemian Highlands

   Do you recognize this constellation?

   
   

4. The Changing Surface of Fading Betelgeuse

   Besides fading, is Betelgeuse changing its appearance?

   
   

5. NGC 2392: Double Shelled Planetary Nebula

   To some, this huge nebula resembles a person's head