Search found 4 matches

by astrofs
Sat Feb 04, 2012 10:40 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Inside the Eagle Nebula (2012 Feb 03)
Replies: 37
Views: 5765

Re: APOD: Inside the Eagle Nebula (2012 Feb 03)

:oops: :oops: All our information comes from Electromagnetic Waves, just different wavelength/frequencies - but they all travel at the same speed. But a supernova sends out "information" in two ways: in Electromagnetic Waves (EW), and Physical material. The physical material travels at a ...
by astrofs
Sat Feb 04, 2012 10:32 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Inside the Eagle Nebula (2012 Feb 03)
Replies: 37
Views: 5765

Re: APOD: Inside the Eagle Nebula (2012 Feb 03)

:oops: :oops: All our information comes from Electromagnetic Waves, just different wavelength/frequencies - but they all travel at the same speed. But a supernova sends out "information" in two ways: in Electromagnetic Waves (EW), and Physical material. The physical material travels at a m...
by astrofs
Mon Apr 23, 2007 8:26 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: Smooth Sections of Asteroid Itokawa (APOD 22 Apr 2007)
Replies: 18
Views: 7491

There are quite a few peanut shaped asteroids (NEAR for example), so this might be a more common process than believed. The lack of cratering could indicate the age of collision, and also support the "pile of rubble" theory, as the collision could have wiped out existing craters if the bod...
by astrofs
Sun Apr 22, 2007 5:51 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: Smooth Sections of Asteroid Itokawa (APOD 22 Apr 2007)
Replies: 18
Views: 7491

Smooth Sections of Asteroid Itokawa (APOD 22 Apr 2007)

Doesn't this look like two separate pieces of rock that have gently collided. The loose dust would be dislodged toward the point of impact and deposited there. Low gravity suggests quite a gently impact and the theory of "Pile of Rubble" for the Asteroids.