Astronomers using NASA’s Chandra X-ray Observatory have found evidence for an “awesome upheaval” in a massive cluster of galaxies. A bright arc of ferociously hot gas extending more than two million light years requires one of the most energetic events ever detected.
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huge feature we detected in the cluster …
A scientist using the Solar and Heliospheric Observatory (SOHO) has found a way to forecast solar radiation storms. The new method offers as much as one hour advance warning, giving astronauts time to seek shelter and ground controllers time to safeguard their satellites when a storm is approaching.
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This Hubble Space Telescope composite image shows a ghostly ‘ring’ of dark matter in the galaxy cluster Cl 0024+17. The ring-like structure is evident in the blue map of the cluster’s dark matter distribution. The map is superimposed on a Hubble image of the cluster. The ring is one of |
“We have mapped the temperature variations with longitude across the entire surface of a planet that is so far away, its light takes 60 years to reach us,” said Heather Knutson of the Harvard-Smithsonian Center for Astrophysics in Cambridge, Mass., lead author of the paper describing HD 189733b.
The two …
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Artist’s illustration of supernova SN 2006gy |
The brightest stellar explosion ever recorded may be a long-sought new type of supernova, according to observations by NASA’s Chandra X-ray Observatory and ground-based optical telescopes. This discovery indicates that violent …
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May 7, 2007: This week, asteroid 1862 Apollo is flying past Earth.
Closest approach: 11 million kilometers on May 8th at 1500 UT.
Discovered in 1932, Apollo was the first asteroid recognized to cross Earth’s orbit. It measures 1.7 km wide and has a tiny 75 meter wide moon. In …
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New Technologies for James Webb Space Telescope Approved Early
More than a year ahead of schedule, a team of independent experts has approved all ten new technologies developed for NASA’s James Webb Space Telescope. Many of the technologies are revolutionary and have never before been used on any satellite or …
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Today NASA released stunning new images of Jupiter and its moons taken by the New Horizons spacecraft. Views include a movie of a volcanic eruption on Jupiter’s moon Io; a nighttime shot of auroras and lava on Io; a color photo of the “Little Red Spot” churning in Jupiter’s cloudtops; …
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