Astronomy Picture of the Day

zdjęcie R Leporis: A Vampire's Star

R Leporis: A Vampire's Star

Better known as Hind's Crimson Star, R Leporis is a rare star in planet Earth's night sky. It's also a shocking shade of red. The star's discoverer, 19th century English astronomer John Russell Hind, reported that it appeared in a telescope "... ...

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zdjęcie Orionids Meteors over Inner Mongolia

Orionids Meteors over Inner Mongolia

Meteors have been shooting out from the constellation of Orion. This was expected, as October is the time of year for the Orionids Meteor Shower. Pictured here, over two dozen meteors were caught in successively added exposures last October ...

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zdjęcie Shells of Stars in Elliptical Galaxy PGC 42871

Shells of Stars in Elliptical Galaxy PGC 42871

How do galaxies grow? To help find out, the Hubble Space Telescope was deployed to image the unusual elliptical galaxy PGC 42871. How this galaxy came to be surrounded by numerous shells of stars may give clues about how it evolved. Embedded in ...

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zdjęcie Ultraviolet Earth from an Observatory on the Moon

Ultraviolet Earth from an Observatory on the Moon

Which planet is this? Earth. The featured false color picture shows how the Earth shines in ultraviolet (UV) light. The image is historic because it was taken from the surface of the Moon by humanity's only lunar observatory. Although very ...

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zdjęcie Airglow Borealis

Airglow Borealis

The best known asterism in northern skies hangs over the Canadian Rockies in this mountain and night skyscape taken last week from Banff National Park. But most remarkable is the amazing greenish airglow. With airglow visible to the eye, but not ...

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zdjęcie IC 59 and IC 63 in Cassiopeia

IC 59 and IC 63 in Cassiopeia

These bright rims and flowing shapes look ghostly on a cosmic scale. A telescopic view toward the constellation Cassiopeia, the colorful (zoomable) skyscape features the swept-back, comet-shaped clouds IC 59 (left) and IC 63. About 600 ...

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zdjęcie Barnard 150: Seahorse in Cepheus

Barnard 150: Seahorse in Cepheus

Light-years across, this suggestive shape known as the Seahorse Nebula appears in silhouette against a rich, luminous background of stars. Seen toward the royal northern constellation of Cepheus, the dusty, obscuring clouds are part of a Milky ...

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zdjęcie Light Pillars over Whitefish Bay

Light Pillars over Whitefish Bay

What's happening in the sky? Unusual lights appeared last week to hover above Whitefish Bay on the eastern edge of Lake Superior between the USA and Canada. Unsure of the cause, the Michigan-based astrophotographer switched camera lenses -- from ...

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zdjęcie Hyperion: Largest Known Galaxy Proto-Supercluster

Hyperion: Largest Known Galaxy Proto-Supercluster

How did galaxies form in the early universe? To help find out, astronomers surveyed a patch of dark night sky with the Very Large Telescope array in Chile to find and count galaxies that formed when our universe was very young. Analysis of the ...

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zdjęcie Apollo 12 Visits Surveyor 3

Apollo 12 Visits Surveyor 3

Apollo 12 was the second mission to land humans on the Moon. The landing site was picked to be near the location of Surveyor 3, a robot spacecraft that had landed on the Moon three years earlier. In the featured photograph, taken by lunar module ...

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