Search found 4 matches
- Thu Jul 14, 2022 9:11 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Webb's First Deep Field (2022 Jul 13)
- Replies: 103
- Views: 34263
Re: APOD: Webb's First Deep Field (2022 Jul 13)
in stephan's quintet, NGC 7320 is 7 times closer than the other four galaxies, however they look almost the same size. as size is inversely proportional to the square root, the other galaxies are roughly 49 times bigger than NGC 7320. diameter of NGC 7320 is 30,415.05 light years. then the other fo...
- Sat May 12, 2018 1:54 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: A Plurality of Singularities at the... (2018 May 12)
- Replies: 61
- Views: 41578
Re: APOD: A Plurality of Singularities at the... (2018 May 12)
Where are the yellow circles?
- Wed May 09, 2018 2:13 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: The Observable Universe (2018 May 08)
- Replies: 62
- Views: 60101
Re: APOD: The Observable Universe (2018 May 08)
As the speed of light is limited, what we see the far side of the universe is billion years ago. Vise versa, those who live there would see here billions of years ago, too. The would see nothing, no earth, no sun. Though we’re not able to see the present status of the far side of the universe, we ca...
- Thu Jan 22, 2015 1:43 pm
- Forum: Starship Asterisk: Handbook
- Topic: Feedback: APOD's online image submission system
- Replies: 6
- Views: 20298
Re: Feedback: APOD's online image submission system
then how can I submit images?