'Hot spots' ride a merry-go-round on Jupiter

(Phys.org) —In the swirling canopy of Jupiter's atmosphere, cloudless patches are so exceptional that the big ones get the special name "hot spots." Exactly how these clearings form and why they're only found near the planet's ...

How the space shuttle killed an American Halley's Comet mission

NASA missed the chance to visit Halley's Comet in 1986 when the famed sentinel swung close to Earth, as it does every 76 years. Luckily for history, the Europeans flew Giotto past it on this day (March 13) in 1986, and some ...

Monitoring Io's insane volcanic activity from the comfort of Earth

Watching active volcanic eruptions should definitely be done from a distance, but a group of California researchers has figured out how to do it from the comfort of home. Using an ingenious combination of Earth-based telescopic ...

Ultra-cool companion helps reveal giant planets

(Phys.org) -- An international team of astronomers led by David Pinfield of the University of Hertfordshire has found a brown dwarf that is more than 99% hydrogen and helium. Described as ultra-cool, it has a temperature ...

Ames celebrates the 40th anniversary of Pioneer 10

Launched on March 2,1972, Pioneer 10 was the first spacecraft to travel through the Asteroid belt, and the first spacecraft to make direct observations and obtain close-up images of Jupiter. Famed as the most remote object ...

Earth, Venus lightnings produced by similar mechanisms

Despite the great differences between the atmospheres of Venus and Earth, scientists have discovered that very similar mechanisms produce lightning on the two planets. The rates of discharge, the intensity and the spatial ...

Jupiter Impact: Mystery of the Missing Debris

On June 3rd, 2010, something hit Jupiter. A comet or asteroid descended from the black of space, struck the planet's cloudtops, and disintegrated, producing a flash of light so bright it was visible in backyard telescopes ...

Exploring Beneath Antarctic Ice

The NASA-funded ENDURANCE project has completed its second field season robotically exploring the waters of an ice-covered lake in Antarctica. Insight gained by the expedition will help scientists prepare for a future mission ...

Jupiter's Spot Seen Glowing

(PhysOrg.com) -- New ground-breaking thermal images obtained with ESO’s Very Large Telescope and other powerful ground-based telescopes show swirls of warmer air and cooler regions never seen before within Jupiter’s Great ...

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