Search found 2 matches

by Locutus
Tue Dec 23, 2014 9:42 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: The Cliffs of Comet CG (2014 Dec 23)
Replies: 70
Views: 82203

Re: APOD: The Cliffs of Comet CG (2014 Dec 23)

Does anyone know why there are no stars visible in the background? Can't be light pollution from some bright city :D
by Locutus
Mon Nov 24, 2014 11:19 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Solar Flare from a Sharper Sun (2014 Nov 22)
Replies: 39
Views: 259260

Re: APOD: Solar Flare from a Sharper Sun (2014 Nov 22)

Iron does not inhibit energy production in a star that is driven by H->He fusion processes. The iron in the Sun is a trace element present from its formation, and has no significant effect on its behavior. Late in the life of a star, iron is produced by fusion processes. Since iron cannot be fused ...