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Celestial Circles

Celestial Circles - another gorgeous image from the Atacama Desert in northern Chile.

Milky Way galaxy

A long way to go: The yellow dot shows the 200 light year radius of how far radio waves have reached into the Milky Way. (via Earth calling: Tiny yellow dot shows distance radio broadcasts to aliens have travelled)

The sky around Alpha Centauri and Proxima Centauri (annotated) | This image of…

The sky around Alpha Centauri and Proxima Centauri (annotated)

Jim Foster Shown above is an unusual capture of a moondog, a partial 22 degree lunar halo and circumscribed halo as observed from Casino, New South Wales, Australia, on June The.

A Piece of Mars: HiRISE is celebrating 10 years of success by showcasing its first high resolution image, taken back in 2006. The portion shown here has many different ripple-like features, formed by a wind blowing from left to right. Notice that those in the middle and middle-left are a bit fainter: these are ripple-like features that were carved into the bedrock by the wind, and they may be much older than the sharper-edged ones nearby.

A Piece of Mars: HiRISE is celebrating 10 years of success by showcasing its first high resolution image, taken back in 2006. The portion shown here has many different ripple-like features, formed by a wind blowing from left to right. Notice that those in the middle and middle-left are a bit fainter: these are ripple-like features that were carved into the bedrock by the wind, and they may be much older than the sharper-edged ones nearby.

Geminids of the South #NASA

Geminids of the South #NASA

Geminids of the South. Earth’s annual Geminid meteor shower did not disappoint, peaking before dawn on December 14 as our fair planet plowed through dust from active asteroid 3200 Phaethon. Captured in this southern hemisphere nightscape the meteors strea

Луна  и  Венера.  Улыбка Луны

Timing is everything in photography, and photographer Petr Horálek nailed it in this photo of the sliver of a crescent moon rising up over the mountains, with Venus glowing brighly above it.

You don't have to be at Monument Valley to see the Milky Way arch across the sky like this -- but it helps. Only at Monument Valley USA would you see a picturesque foreground that includes these iconic rock peaks called buttes. Buttes are composed of hard rock left behind after water has eroded away the surrounding soft rock. In the featured image taken in 2012, the closest butte on the left and the butte to its right are known as the Mittens.

Moving the cursor over the image will bring up an annotated version. Clicking on the image will bring up the highest resolution version available.

In Daylight on the Night Side via NASA http://ift.tt/2dtjGYK

In Daylight on the Night Side NASA’s Cassini spacecraft looks down at the rings of Saturn from above the planet’s nightside. The darkened globe of Saturn is seen here at lower right, along with the shadow it casts across the rings. The image shows.

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Bright spots on the dwarf planet Ceres continue to puzzle researchers. When recently a team of astronomers led by Paolo Molaro of the Trieste Astronomical Observatory in Italy, conducted observations of these features, they .

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