Christmas on Mars

Christmas on Mars is like most other days on Mars: Dry, cold, and dusty.  However, as the Curiosity rover works its way across the ancient Martian surface, it sees changes in the terrain that are very interesting to investigate.  It’s at 1200 sols (Martian days) of roving around the planet as of Monday, and it continues to make its way to the primary target, Mount Sharp.  a Christmas photo shows how far the rover still has to go, but proves that it still has it’s sights set on the lonely mountain. The rover has travelled far since it’s landing, and...

Holiday Lights Make Cities Visibly Brighter from Space

With the extra lights shining in cities across the world at this time of year, we are outputting a significant number of photons into Space.  So many that Satellites in orbit have been able to see the difference.  In the maps below, the areas in green are locations where the brightness has increased by as much as 50%. Being able to see the difference from Space is amazing.  The maps also exist for Caribbean nations, where much of the population celebrates Christmas. Now I’m not avoiding any one particular holiday in my use of the phrase ‘holiday lights,’ because it turns...