Search found 3 matches
- Tue Jan 27, 2015 7:14 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Launch to Lovejoy (2015 Jan 22)
- Replies: 5
- Views: 33214
Re: APOD: Launch to Lovejoy (2015 Jan 22)
Why is there no planetary nebula around the Sirius star system, if Sirius B was not long ago as massive as possibly 7 solar masses?
- Sun Dec 30, 2012 2:49 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Doomed Star Eta Carinae (2012 Dec 30)
- Replies: 30
- Views: 5581
Re: APOD: Doomed Star Eta Carinae (2012 Dec 30)
I have a question for anyone with more expertise on the matter: Everywhere I've read on the subject, it says Eta Carinae is a prime candidate for a supernova soon. Its mass is also reported everywhere as either 100 or 150 solar masses. Yet the physics of stellar progression expects stars between rou...
- Wed Jul 18, 2012 1:36 pm
- Forum: The Observation Deck: Latest Sky Photography
- Topic: Submission Gallery: July Conjunctions & Occultations
- Replies: 26
- Views: 13090
Re: Submission Gallery: July Conjunctions & Occultations
This was on the 15th, over the prairie in Colorado. And it was worth waking up early for :D
Full-size version available.