"There is only one thing new that can be done under the sun; and that is to look at the sun." --G. K. Chesterton
Author of book: "All Done With Mirrors" at http://books.roykaelin.com/; Monthly "Sky Roundup" at http://roykaelin.com/
"Scientists aren't perfect, just peer reviewed.""Eye of Sauron Observatory", featuring "Sauron's Other Eye", 16" dob, conical Royce mirror.
Cactus Patch Observatory / 14" LX200
"The four points of the compass be logic, knowledge, wisdom, and the unknown. Some do bow in that final direction. Others advance upon it. To bow before the one is to lose sight of the three."
Quote:What's really amazing is the freshness of the small braided channels along the main riverbed, probably remnants of the last diminishing streams before the whole thing dried up. Makes you wonder how old that particular feature really is.
Quote:The IAU needs to come up with a new latin term for "river". We see them on Mars and Titan; that should be enough to warrant it.
Say: If this thing is 1000 miles long, 1000 feet deep, and several miles wide, how come it's just now being noticed??
David W. Knisely . . . . . . "If you aren't having fun in this hobby, you aren't doing it right." Hyde Memorial Observatory http://www.hydeobservatory.info Prairie Astronomy Club http://www.prairieastronomyclub.org
Quote:BTW, there is some cratering visible in the close-ups -- and interestingly, some of those craters are eroded in reverse, as if the impact hardened the material below it, and then the wind blew away the softer rock around it.
Steve ES 127 ED TMB 92SS mini Borg 50/SSAG CGEM QSI 583wsg/Astrodon Tru-Balance LRGB E-Series Gen 2 Canon 450D Gary Honis Mod http://www.flickr.com/photos/stephen63/
Quote:What's really amazing is the freshness of the small braided channels along the main riverbed
Clear Skies- Guy
“The first gulp from the glass of natural sciences will turn you into an atheist, but at the bottom of the glass God is waiting for you.” ― Werner Heisenberg
12" LX200 GPS
4" Unitron 150
4" Bosma refractor
Denk Binotron 27, D14's and D21's
Galaxy Note 8 running SkySafari Pro via Bluetooth
Wireless Autostar II
Quote:Speak for yourself!
Quote:Canali, meaning "channels". Schiaparelli, 1877. Seems to fit.