Search found 2 matches

by martello
Fri Sep 09, 2022 7:07 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Interstellar Voyager (2022 Sep 09)
Replies: 6
Views: 3374

Re: APOD: Interstellar Voyager (2022 Sep 09)

"The Golden Records are intended to communicate a story of life and culture on planet Earth." Carl Sagan great scientist and teacher but he was assuming that whoever comes across these records is friendly because the records contain our home address. :roll:
by martello
Wed May 14, 2008 2:14 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: Ancient Craters of Southern Rhea (APOD 13 May 2008)
Replies: 5
Views: 3235

Ancient Craters of Southern Rhea (APOD 13 May 2008)

In looking at picture of the day - Rhea from May 13, it seems that the size of the craters are much more uniform than our Moon. Rhea seems to have two basic sizes - large & a size that is roughly 3/8's of the large but there are no extra large craters. I wonder if this is because the collisions ...