Tag Archives | space

Bright blue auroras at Jupiter’s north and south poles are putting on a veritable fireworks show just before the July 4 arrival of the Juno probe .  Jupiter’s colorful auroras have been imaged before, but a month of daily observations of Jupiter by the Hubble Space Telescope has allowed scientists to put together a time-lapse video […]

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Dwarf planet Ceres Image Credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA Embedded in the asteroid belt is a dwarf planet that features a 3-mile-high (5 kilometers) pyramid-shaped mountain and intriguing bright patches that scientists are still trying to understand. This world’s name is Ceres , and it is currently under scrutiny by NASA’s Dawn spacecraft, which began orbiting the dwarf […]

This artist’s illustration shows NASA’s Juno spacecraft at Jupiter, with its solar arrays and main antenna pointed toward the distant sun and Earth. Credit: NASA/JPL-Caltech A NASA spacecraft is about to start unlocking the many secrets of giant, mysterious Jupiter. The Juno probe is scheduled to enter orbit around Jupiter on Monday (July 4), after […]

On Asteroid Day, observed June 30, researchers around the world gather to discuss near-Earth objects like asteroids and efforts to avoid or lessen the danger of future impacts. Credit: Texas A&M One hundred and eight years ago today (June 30), a massive object smashed down near the Podkamennaya Tunguska River in Siberia, causing a powerful […]

Jupiter! The largest planet in our solar system, a bulging beauty known for its ominous Great Red Spot. It’s also a world cloaked in mystery, full of puzzles that scientists are working to solve. NASA’s Juno spacecraft is scheduled to arrive at the giant planet on Monday (July 4), to do more investigations of this […]

This diagram shows the orbits of several moons located close to the planet Neptune. All of them were discovered in 1989 by NASA’s Voyager 2 spacecraft, with the exception of S/2004 N 1, which was discovered in archival Hubble Space Telescope images taken from 2004 to 2009. Image released July 15, 2013. Credit: NASA, ESA, […]

The crescent planet Neptune and its crescent moon Triton, as seen by NASA’s Voyager 2 spacecraft in 1989. Credit: Voyager 2, NASA Triton is the largest of Neptune’s moons. Discovered in 1846 by British astronomer William Lassell – just weeks after Neptune itself was found – the moon showed some strange characteristics as astronomers learned […]

Uranus and its five major moons are depicted in this montage of images acquired by the Voyager 2 spacecraft. The moons, from largest to smallest as they appear here, are Ariel, Miranda, Titania, Oberon and Umbriel. Credit: NASA/JPL The planet Uranus has 27 known moons, most of which we didn’t discover until the space age. […]

The comparitive sizes of some of Saturn’s biggest moons are shown. Credit: NASA/JPL/David Seal At least 62 moons travel around Saturn. They come in a variety of sizes and compositions, from almost pure ice to rocky material, as well as a combination of both. Their journeys around the ringed planet range from half an Earth […]