Search found 5 matches

by Sarba Guha
Tue Nov 27, 2018 10:18 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Mars in the Loop (2018 Nov 08)
Replies: 13
Views: 3749

Re: APOD: Mars in the Loop (2018 Nov 08)

Thanks very much Neufer. Very clearly explained. I did not think about the "Earth-Mars Oribital Planes" not coinciding, with that being the reason for the "loop".
by Sarba Guha
Tue Nov 27, 2018 4:43 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Mars in the Loop (2018 Nov 08)
Replies: 13
Views: 3749

Re: APOD: Mars in the Loop (2018 Nov 08)

I am two weeks late for this and so, no one might be on the lookout to answer. I understand that but would still like to pose my question which is, "Why should there be a loop around?" I can visualize a "zig-zag motion" along the line of travel of Mars - with the retrograde motio...
by Sarba Guha
Tue Jun 28, 2016 8:00 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Juno Mission Trailer (2016 Jun 28)
Replies: 28
Views: 9050

Re: APOD: Juno Mission Trailer (2016 Jun 28)

This is as great a trailer as I have ever seen.

Should have ended............"Coming soon to a theater near Jupiter".
by Sarba Guha
Fri Sep 11, 2009 7:20 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: Stephan's Quintet (APOD 2009 September 11)
Replies: 19
Views: 2280

Re: Stephan's Quintet (APOD 2009 September 11)

The "Blue Galaxy" is merely 40-million light years away while the others are 300-million light years away. The difference in distance is by a factor of 7.5 - right? YET, the Blue Galaxy doesn't appear more than 2 to 3 times larger than any of the others. Does that mean that those galaxies ...
by Sarba Guha
Tue Aug 04, 2009 7:28 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: A Triple Sunrise Over Gdansk Bay (2009 Aug 04)
Replies: 338
Views: 49717

Re: Cause of Triple Sunrise (APOD 2009 August 4)

My guess is that it is a reflection of the sun "from the ocean" back into the atmosphere. However, it is the part of the ocean that has "curved around" beyond the horizon that we are looking at. A certain part of it will be more "normal" to the sun rays than the ocean t...