Tag: Hubble Space Telescope
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Hubble Shows Winds in Jupiter’s Great Red Spot Are Speeding Up
Like the speed of an advancing race car driver, the winds in the outermost “lane” of Jupiter’s Great Red Spot are accelerating – a discovery only made possible by NASA’s Hubble Space Telescope, which has monitored the planet for more…
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Comet ATLAS May Have Been a Blast from the Past
It’s suspected that about 5,000 years ago a comet swept within 23 million miles of the Sun, closer than the innermost planet Mercury. The comet might have been a spectacular sight to civilizations across Eurasia and North Africa at the…
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Hubble Finds First Evidence of Water Vapor at Jupiter’s Moon Ganymede
For the first time, astronomers have uncovered evidence of water vapor in the atmosphere of Jupiter’s moon Ganymede. This water vapor forms when ice from the moon’s surface sublimates — that is, turns from solid to gas. Scientists used new…
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Hubble Sees Changing Seasons on Saturn
NASA’s Hubble Space Telescope is giving astronomers a view of changes in Saturn’s vast and turbulent atmosphere as the planet’s northern hemisphere summer transitions to fall as shown in this series of images taken in 2018, 2019, and 2020 (left…
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Dark Storm on Neptune Reverses Direction, Possibly Shedding a Fragment
Astronomers using NASA’s Hubble Space Telescope watched a mysterious dark vortex on Neptune abruptly steer away from a likely death on the giant blue planet. The storm, which is wider than the Atlantic Ocean, was born in the planet’s northern…
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Hubble Captures Crisp New Portrait of Jupiter’s Storms
This latest image of Jupiter, taken by NASA’s Hubble Space Telescope on August 25, 2020, was captured when the planet was 406 million miles from Earth. Hubble’s sharp view is giving researchers an updated weather report on the monster planet’s…
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Hubble Snaps Close-Up of Celebrity Comet NEOWISE
NASA Hubble Space Telescope images of comet NEOWISE, taken on Aug. 8, zero in on the visitor’s coma, the gossamer shell of gas and dust that surrounds its nucleus as it is heated by the Sun. This is the first…
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Hubble Celebrates 25 Years Since First Repair Mission in Space
On May 20, 1990, you could hear a pin drop as a room full of scientists waited breathlessly for the initial images from the first major optical telescope in space. As a few bright points of light set against the…
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Promising Worlds Found Around Nearby Ultra-cool Dwarf Star
Astronomers using the TRAPPIST telescope at ESO’s La Silla Observatory have discovered three planets with sizes and temperatures similar to those of Venus and Earth, orbiting an ultra-cool dwarf star just 40 light-years from Earth.
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NASA’s Kennedy Space Center Celebrates Hubble Space Telescope’s 25th Anniversary
NASA’s Hubble Space Telescope launched aboard space shuttle Discovery on April 24, 1990, from Kennedy Space Center in Florida. The technological marvel is celebrating 25 years in orbit above Earth.