Astronomy Picture of the Day

zdjęcie The Blue Horsehead Nebula in Infrared

The Blue Horsehead Nebula in Infrared

The Blue Horsehead Nebula looks quite different in infrared light. In visible light, the reflecting dust of the nebula appears blue and shaped like a horse's head. In infrared light, however, a complex labyrinth of filaments, caverns, and ...

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zdjęcie Meteor Over Crater Lake

Meteor Over Crater Lake

Did you see it? One of the more common questions during a meteor shower occurs because the time it takes for a meteor to flash is typically less than the time it takes for a head to turn. Possibly, though, the glory of seeing bright meteors ...

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zdjęcie TESS Launch Close Up

TESS Launch Close Up

NASA's Transiting Exoplanet Survey Satellite (TESS) began its search for planets orbiting other stars by leaving planet Earth on April 18. The exoplanet hunter rode to orbit on top of a Falcon 9 rocket. The Falcon 9 is so designated for its 9 ...

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zdjęcie Moon in the Hyades

Moon in the Hyades

Have you seen the Moon lately? On April 18, its waxing sunlit crescent moved through planet Earth's night across a background of stars in the Hyades. Anchored by bright star Aldebaran, the nearby, V-shaped star cluster and complete lunar orb ...

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zdjęcie NGC 7635: The Bubble Nebula

NGC 7635: The Bubble Nebula

Blown by the wind from a massive star, this interstellar apparition has a surprisingly familiar shape. Cataloged as NGC 7635, it is also known simply as The Bubble Nebula. Although it looks delicate, the 7 light-year diameter bubble offers ...

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zdjęcie Milky Way over Deadvlei in Namibia

Milky Way over Deadvlei in Namibia

What planet is this? It is the only planet currently known to have trees. The trees in Deadvlei, though, have been dead for over 500 years. Located in Namib-Naukluft Park in Namibia (Earth), saplings grew after rainfall caused a local river to ...

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zdjęcie M57: The Ring Nebula

M57: The Ring Nebula

cept for the rings of Saturn, the Ring Nebula (M57) is probably the most famous celestial band. Its classic appearance is understood to be due to our own perspective, though. The recent mapping of the expanding nebula's 3-D structure, based in ...

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zdjęcie Flyover of Jupiter's North Pole in Infrared

Flyover of Jupiter's North Pole in Infrared

What would it look like to fly over the North Pole of Jupiter? A fictional animation made from real images and data captured by NASA's Juno spacecraft shows an answer. Since the pole is presently in shadow, the video uses infrared light emitted ...

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zdjęcie Space Shuttle Rising

Space Shuttle Rising

What's that rising from the clouds? The space shuttle. Sometimes, if you look out the window of an airplane at just the right time and place, you see something unusual -- in this case a space shuttle launching to orbit. The featured image of ...

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zdjęcie Martian Chiaroscuro

Martian Chiaroscuro

Deep shadows create dramatic contrasts between light and dark in this high-resolution close-up of the martian surface. Recorded on January 24, 2014 by the HiRISE camera onboard the Mars Reconnaissance Orbiter, the scene spans about 1.5 ...

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