As ESA’s Envisat satellite marks ten years in orbit, it continues to observe the rapid retreat of one of Antarctica’s ice shelves due to climate warming.
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This animation shows radar images from the Envisat satellite from 2002 to 2012 of the Larsen B ice shelf in Antarctica. Over the last decade, the ice shelf has disintegrated by 1790 sq km. …
AAVSO Alert Notice 456Dr. Bram Ochsendorf (Leiden Observatory, Belgium) has requested monitoring by AAVSO observers of the R CrB variable V854 Cen in support of observations to be made using the XSHOOTER instrument on the Very Large Telescope (VLT) of the European Southern Observatory’s La Silla Paranal Observatory in Chile. Dr. … Read the rest of this article
This week Venus, the second planet from the sun, will pass directly in front of the Pleiades star cluster. It’s a rare sunset conjunction that’s easy to find with the unaided eye, but best seen through binoculars or a small telescope.
Venus approaching the Pleiades on March 31st, photographed by astronomy professor Jimmy Westlake of Stagecoach, Colorado.
The action begins … Read the rest of this article
Following the announcement by Jeff Bezos (founder of Amazon) that he had located the Saturn V engines from the Apollo 11 mission in 14,000 feet of water last week, NASA Administrator Charles Bolden issued this statement regarding the efforts announced this week by Bezos to recover main engines from the Saturn V first stage rocket of Apollo 11:
“I would … Read the rest of this article
NASA’s Kepler spacecraft is discovering a veritable avalanche of alien worlds. Recent finds include planets with double suns, massive “super-Earths” and “hot Jupiters,” and a miniature solar system. The variety of planets circling distant suns is as wonderful as it is surprising.
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NASA’s Kepler spacecraft is discovering a veritable avalanche of alien worlds. As the numbers mount, it seems to …
Having to move the Night Sky Observer and its associated sites, like the Telescope Guide to a new webhosting company proved to be more problematical than anticipated.
While the main sites were moved at the end of last month, there were some subdomains that had to be moved as well.
All this was compounded by there being a problem on … Read the rest of this article
The Sun Now (Visible light)
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The Sun Now (H-Alpha light)
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Aurora Oval
(Northern Hemisphere) |
Aurora Oval
(Southern Hemisphere) |
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