Unfortunately the UCL site is giving an 403 Forbidden error when we try to access it. The Archive list is still available, but all of the links from it give errors.
Are they getting tired of dealing with all of the overseas traffic over there?
Search found 2 matches
- Wed Oct 09, 2013 7:39 pm
- Forum: The Asterisk Café: Discuss Anything Astronomy Related
- Topic: Apod Archives on a mirror site
- Replies: 5
- Views: 556
- Tue Sep 25, 2012 4:02 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Unusual Spheres on Mars (2012 Sep 25)
- Replies: 45
- Views: 6371
Re: APOD: Unusual Spheres on Mars (2012 Sep 25)
The first thing I thought when I saw these wast raincasts. Raindrops leave indentations in mud. When the mud dries, later sediment fills in the indentations. Still later overturning and erosion removes the old mud layer leaving the casts. Of course, this requires a whole sequence of events that may ...