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...
It’s been an amazing week for detection and study of water in our Solar system. Just last week we received the first results of the Rosetta mission’s analysis of water from comet 67P. Now we’ve received the latest breakthrough from the Curiosity Rover on Mars, results on Water, Methane, and even Organic material! The Sample Analysis at Mars instrument (SAM) took measurements of the Martian atmosphere over a period of 20 months, and for two of these months in late 2013 and early 2014, the Methane levels were 10 times as high as measurements before and after the spike. “This temporary...
Voyager 1, launched way back in 1977, is still giving us Science, far away beyond the influence of the Sun. In the past few years, the spacecraft has passed the boundary between the Solar System and the Interstellar Medium, the so called Heliopause. This has given scientists the first ever direct look at the Space between stars. Since then, Voyager has felt some interesting shock waves, which are being referred to as ‘Tsunami Waves.’ When the Sun emits a Coronal Mass Ejection, the charged particles travel through the Solar System as a pressure wave. When this wave hits the Heliopause...
You have to see this incredible feature on Mars, showing some of the best High-Res photos and milestones from the mission. http://www.nytimes.com/interactive/2014/12/09/science/space/curiosity-rover-28-months-on-mars.html As you look through the images, remember that you are looking at another world. It feels foreign, yet oddly familiar. You almost want to reach out and just grab a handful of sand. It makes you realize that we are not the center of the Universe. There are likely Billions of worlds similar to Mars, with Dunes and Soil and Skies and Mountains, except those world may not be so barren. They may be lush and alive, dominated...
One of the most important science goals of the Rosetta mission is to determine the conditions in the early solar system, as well as the element abundance and climate that led to the development of life on Earth. By studying a comet that has been isolated in Space for 4.5 Billion years, we can learn about the formation of the Solar System and the origin of the raw materials for life on Earth. The Earth was thought to be so warm when it formed that any water would have evaporated away into space. If so, where did our vast oceans come...
In a press conference yesterday, NASA officials revealed the latest data from the Curiosity rover mission on Mars. The data shows that the Rover’s current location, at the base of Mount Sharp in the Gale Crater, was once deep underwater, part of a vast lake filling the entire crater. The results suggest that ancient Mars had a climate that could sustain large lakes across the planet over millions of years. “If our hypothesis for Mount Sharp holds up, it challenges the notion that warm and wet conditions were transient, local, or only underground on Mars,” said Ashwin Vasavada, Curiosity deputy...
When I do Planetarium shows, one of the things I like to talk about during the Milky Way – Andromeda collision that will happen in 70 Mlllion years, is the fact that very few stars will actually hit each other. Yet we still call it a ‘Galaxy collision.’ One of the questions I always get is “Will the Earth survive this?” I usually ask the audience. The response is usually a unanimous ‘No way!” And then I tell them how big Galaxies are and they can’t believe how unlikely it is that the solar system will be affected. Consider the...
After yesterday’s scrubbed launch due to valve issues, the Orion spacecraft has launched on its first full test flight aboard a Delta IV rocket. This is the first step for humanity to reach beyond the Moon, and the Orion craft will eventually carry astronauts Watching it live and seeing everyone in the space flight community on twitter talking about it and posting pictures really makes you feel like a part of the mission itself. I feel like I’m there in mission control along with the NASA staff, and having followed the progress of the mission for so long it feels...
It’s finally time for humanity to take the next great leap into the great beyond. We are natural explorers, and the time to explore a new frontier is now. Humans will soon go beyond the Moon, and we will venture there on the Orion Capsule, powered by the sails of the Delta IV rocket. You may have seen some of my other posts about it, or an old infographic of the flight procedure. The launch window is opening at 7:05 am EST today! It will have a 2 hour – 39 minute launch window. But if the weather is clear it...
The Orion vehicle is the successor to the Shuttle program. Bigger, better, more powerful, advanced technology, and it will take humanity further into the void than we have ever been before. And on December 4th, it will fly for the first time ever. Here are some of the first shots of the Capsule atop the new Delta IV Heavy Rocket, including a shot of the Delta IV rocket in action (with a different payload). The Basics: From NASA (Link) Mission: Orion Flight Test Launch Date: Dec. 4, 2014 Launch Time: 7:05 a.m. EST Launch Window: 2 hours, 39 minutes Launch...
