Jul 11, 2007
Hot on the heels of Monday’s cosmic search engine is news from Caltech that images of the oldest known galaxies have been obtained. These heavenly bodies existed at a time when the universe was a mere 500 million years old, some 13 billion years ago.
Caltech astronomer Richard Ellis exploited “gravitational lensing”, an effect by which light from distant stars and galaxies is focused towards us by intervening massive objects. Ellis …
Jul 9, 2007
Want to know what time the moon will rise in your neck of the woods, which planet is in which constellation tonight, or when the Internation Space Station will next be overhead? There is not much stargazing going in England at the moment, too much H20 falling from the sky, but eZipSky’s free service for amateur astronomers in the US, is a kind of search engine for heavenly bodies.
The eZipSky …
May 9, 2007
A plateau on the planet Mars called Home Plate looks like it had a volcanic past, according to the latest data from NASA’s rover Spirit. The data also support earlier hints at that water once existed at or beneath the planet’s surface.
Home Plate has a finely layered appearance and so made it a tantalizing target for Spirit, according mission controller Steve Squyres. The rover captured its first panoramic image …
David Bradley
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