Search found 3 matches

by craigellachie
Wed Sep 17, 2008 9:37 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: Confused about Dark Matter (APOD 17 Sep 2008)
Replies: 12
Views: 4305

Confused about Dark Matter (APOD 17 Sep 2008)

I'm confused about the APOD for today, 9-17. In order to be able to even artificially add a color to dark matter in a photo, don't we have to know something about what dark matter is? I confess I am really pretty ignorant about most astronomy matters, so I apologise for that in advance. APOD's my ho...
by craigellachie
Tue Jul 22, 2008 11:31 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: Happy People Dancing On Planet Earth (APOD 22 Jul 2008)
Replies: 112
Views: 36688

Never saw it before, me either.

Not exactly APOD, but not a bad thing to see either. Think I'll try this in Turkey. :)
by craigellachie
Thu Nov 01, 2007 12:47 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: Peculiar Arp87 - tidal effect, peculiar redshift? (1Nov2007)
Replies: 9
Views: 3596

Peculiar Arp87 - tidal effect, peculiar redshift? (1Nov2007)

If our Solar system were in this galaxy, say, in the trail between the two, what would the tidal forces effect on Earht? I realise that the time frame is huge, but are there any effects we would notice passing close to another galaxy, long term or short term?