The dark streaks on Mars known as recurring slope lineae are likely the result of repeated avalanches of sand and dust, rather than seeping water, new research shows.
U.S. Thanksgiving is Thursday, and many are celebrating with family and friends. On that evening walk after an awesome meal, point out Mercury and Saturn.
This view is constructed from 42 wide-angle shots acquired across 2 hours by Cassini, taken using red, green and blue spectral filters, combined to create a natural-color view.
The young moon has swept past the planets Saturn and Mercury this week and still hovers not far from them, with its lighted face pointed toward them. This photo is from Tuesday evening, from Annie Lewis in Madrid, Spain. Watch for them tonight and Thursday evening, too.
