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Tag Archives: HST
HST images dusty Mars (and Phobos and Deimos) at opposition
With both Saturn and Mars coming to opposition — lying directly opposite the Sun in the sky — this summer, scientists used the Hubble Space Telescope to image both planets. But unlike the previous opposition, Mars is experiencing a planet-wide … Continue reading
Posted in Reports
Tagged atmosphere, Deimos, dust storms, global dust storms, HST, Hubble Space Telescope, Phobos
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James Webb Space Telescope will investigate how Mars went from wet to dry
The planet Mars has fascinated scientists for over a century. Today, it is a frigid desert world with a carbon dioxide atmosphere 100 times thinner than Earth’s. But evidence suggests that in the early history of our solar system, Mars … Continue reading
Posted in Reports
Tagged HST, Hubble Space Telescope, James Webb Space Telescope, JWST, methane, NASA, water vapor
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Hubble Space Telescope images Phobos
While photographing Mars, NASA’s Hubble Space Telescope captured a cameo appearance of the tiny moon Phobos on its trek around the Red Planet. Discovered in 1877, the diminutive, potato-shaped moon is so small that it appears star-like in the Hubble … Continue reading
ESA: Mars triptych
This triptych brings together three excellent images of Mars acquired this month by two cameras in space and one in Australia. The image at left was taken on 22 May by amateur astrophotographer Dylan O’Donnell from his home-built backyard observatory … Continue reading
Posted in Reports
Tagged Dylan O'Donnell, ESA, European Space Agency, HST, Hubble Space Telescope
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Hubble takes Mars image near closest approach
Bright, frosty polar caps, and clouds above a vivid, rust-colored landscape reveal Mars as a dynamic seasonal planet in this NASA Hubble Space Telescope view taken on May 12, 2016, when Mars was 50 million miles from Earth. The Hubble … Continue reading
HST images Mars-bound comet’s multiple jets
Comet C/2013 A1 Siding Spring is plunging toward the Sun along a roughly 1-million-year orbit. The comet, discovered in 2013, was within the radius of Jupiter’s orbit when the Hubble Space Telescope photographed it on March 11, 2014. Hubble resolves … Continue reading
Posted in Reports
Tagged comet, Comet C/2013 A1, Comet Siding Spring, HST, Hubble Space Telescope
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