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...
The Geminid meteor shower passed earlier this month, but there is always something magical about those little bits of rock that burn up in the atmosphere while moving at 40 Km/s. Whatever you do for the holidays, have fun, be responsible, and definitely don’t drink and drive. It’s not worth your life or anyone else’s. See you in a couple days!
The Winter Solstice is a strange time of year in Canada. It’s often forgotten being so close to Christmas and the end of the year, and even though the astronomer in me recognizes the significance of the event, it’s so dark and dreary outside that I curse it! The good news is that the Solstice, being the shortest day of the year in the northern hemisphere, means that the days will get a bit brighter from here on in. Even though the coldest months of January and February are still to come, I’m glad to have made it past the darkest day....
I think he’s had to upgrade his sleigh for space operations in order to reach the three space station astronauts living 400 Km above the surface of the Earth. Realistically, at 7 Km/s, it may be the fastest anyone has ever moved to celebrate Christmas.
This is one of the best Space photos ever, the Earth as viewed from the Apollo 8 craft, snapped by the Astronauts as they orbited the Moon. You’re looking at the location of every thing that has ever happened in human history. Happy Holidays! See you on December 26th!
I’ve talked at length about Solar Flares. They are massively energetic, and due to the Sun’s 11 year maximum period of activity, we have seen a lot of powerful ones this year. With the holidays in full swing, sometimes the Universe can put up its own lights. Which is More Powerful? A Solar Flare or all the Lights on Earth during the season? First of all, we need to figure out how much energy lights produce, and roughly how many homes put them up, and for how long. We will have to make some assumptions, but we will start...
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...
