Stars or galaxies? Short answer: both! This Hubble image shows a cluster of galaxies. But the few "spiky" points of light are stars. These diffraction spikes are the result of how point sources of light bend around supports for Hubble’s secondary mirror:

更多来自 @NASAHubble

1. #1

   These galaxies are locked in. The pair, known as ESO 550-2, is caught in a gravitational dance. This interaction's already deformed one arm of the larger galaxy on the left, thoug…

   HubbleHubble @NASAHubble · 2026-07-28

   
2. #2

   What's going on next door? A new study using Hubble data shows that Andromeda, our nearest major galaxy neighbor, has undergone a 500-million-year decline in star formation – with…

   HubbleHubble @NASAHubble · 2026-07-27

   ▶
3. #3

   A one-sided spiral 🌀 Located about 72 million light-years away, the spiral galaxy NGC 4654 belongs to the Virgo Cluster of galaxies. Its asymmetric shape is caused by pressure it…

   HubbleHubble @NASAHubble · 2026-07-24

   
4. #4

   Bridging the divide 🌉 Two interacting galaxies known as ESO 77-44 are connected by a bridge of stars and gas. This cosmic dance unfolds about 550 million light-years away from Ear…

   HubbleHubble @NASAHubble · 2026-07-21

   
5. #5

   What do all these cosmic views have in common? Hubble captured them on previous July 16s! ICYMI, you can find multiple beautiful views taken on any date using the new expanded edi…

   HubbleHubble @NASAHubble · 2026-07-16

   
6. #6

   Spot the supernova! 💥 In the top right corner, it's so bright that it could be mistaken for a foreground star located in our galaxy, but its home is in the outskirts of a galaxy l…

   HubbleHubble @NASAHubble · 2026-07-14

   

查看 @NASAHubble 的全部帖子 →