News tagged with shock waves

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Dark fireworks on the sun

On June 7, 2011, Earth-orbiting satellites detected a flash of X-rays coming from the western edge of the solar disk. Registering only "M" (for medium) on the Richter scale of solar flares, the blast at first appeared to ...

dateJul 12, 2011 in Space Exploration
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Comet impact theory disproved

New data, published today, disproves the recent theory that a large comet exploded over North America 12,900 years ago, causing a shock wave that travelled across North America at hundreds of kilometres per hour and triggering ...

dateJan 26, 2009 in Space Exploration
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Global eruption rocks the sun

On August 1, 2010, an entire hemisphere of the sun erupted. Filaments of magnetism snapped and exploded, shock waves raced across the stellar surface, billion-ton clouds of hot gas billowed into space. Astronomers knew they ...

dateDec 14, 2010 in Space Exploration
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DEM L50: Stellar effervescence on display

(Phys.org)—This composite image shows the superbubble DEM L50 (a.k.a. N186) located in the Large Magellanic Cloud about 160,000 light years from Earth. Superbubbles are found in regions where massive stars have formed in ...

dateJan 28, 2013 in Astronomy
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The drama of starbirth (w/ video)

(PhysOrg.com) -- A new image from ESO's Very Large Telescope gives a close-up view of the dramatic effects newborn stars have on the gas and dust from which they formed. Although the stars themselves are not visible, material ...

dateMar 16, 2011 in Astronomy
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