The red supergiant Antares and its spectacular field of view

The red supergiant Antares and its spectacular field of view

[CLICK ON IMAGE FOR HIGH RESOLUTION] Why is the sky near Antares and Rho Ophiuchi so colorful? … Fine dust illuminated from the front by starlight produces blue reflection nebulae. Gaseous clouds whose atoms are excited by ultraviolet starlight produce reddish emission nebulae. Backlit dust clouds block starlight and so appear dark. Antares, a red […]

Curiosity eyes Mt. Sharp from a crater on Mars, and prepares to go there

Curiosity eyes Mt. Sharp from a crater on Mars, and prepares to go there

The light peak is Mt. Sharp — an eventual destination of the Curiosity rover. … Curiosity’s is already on the move crossing the intermediate gravel field toward an interesting terrain feature named Glenelg. Curiosity has also already started analyzing its surroundings by zapping a nearby rock with its laser to analyze the chemical composition of […]

Curiosity’s view of the wall of Gale Crater on Mars

Curiosity’s view of the wall of Gale Crater on Mars

[FOR HIGH RESOLUTION IMAGE, CLICK ON IMAGE] The above image … is a high resolution version of a distant wall of Gale Crater captured by the Curiosity rover that landed on Mars last week. A corresponding true color image exists showing how this scene actually appears on Mars. The robotic Curiosity rover continues to check […]

Evidence suggests naturally-occurring quasicrystals had extraterrestrial origins

Evidence suggests naturally-occurring quasicrystals had extraterrestrial origins

Results from an expedition to far eastern Russia that set out to find the origin of naturally occurring quasicrystals have provided convincing evidence that they arrived on Earth from outer space. Writing in IOP Publishing’s journal Reports on Progress in Physics, Paul J Steinhardt and Luca Bindi reveal that new, naturally occurring quasicrystal samples have […]

Curiosity opens its eyes on Mars

Curiosity opens its eyes on Mars

[FOR HIGH RESOLUTION, CLICK ON IMAGE BELOW] You’ve just landed on Mars and opened your eyes — what do you see? If you’re the Curiosity rover, you see a strange gravelly place with a large mountain in the distance. You’ve landed on target near the edge of 150-km wide Gale Crater, with Mount Sharp on […]

A view, from space, of the Perseid meteor shower

A view, from space, of the Perseid meteor shower

[FOR HIGH RESOLUTION, CLICK ON IMAGE.] Denizens of planet Earth watched last year’s Perseid meteor shower by looking up into the bright moonlit night sky. But this remarkable view captured on August 13, 2011 by astronaut Ron Garan looks down on a Perseid meteor. From Garan’s perspective onboard the International Space Station orbiting at an […]

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