Spectacular video: Comet ISON imaged from a Langrange point in space

NASA’s Solar Terrestrial Relations Observatory, or STEREO, is monitoring Comet ISON as it approaches the sun. NASA’s twin Solar Terrestrial Relations Observatory (STEREO) spacecraft are parked in Langrange zones, known as the L4 and L5 Lagrangian points, each centered about 93 million miles away along Earth’s orbit. The latest movie from the STEREO-A spacecraft’s Heliospheric…

Comet Lovejoy survives a brush with Sol

From Physorg.com Comet Lovejoy was only discovered a couple of weeks ago. It was supposed to melt as it came so close to the sun that the temperatures would hit several million degrees. But astronomers watching live with NASA telescopes were shocked when a bright spot emerged on the sun’s other side. Lovejoy lived. Here’s…

Things that go boom in the sky

Here’s something you don’t see every day; an exploding comet.  In fact the last time this comet did this was in 1892. Comet 17P/Holmes is now larger than Jupiter. Astronomer Eric Allen of Quebec’s Observatoire du Cégep de Trois-Rivières combined images he captured on three consecutive nights (Oct. 25, 26 and 27) and placed them…