Explosion
hideAn explosion is a rapid increase in volume and release of energy in an extreme manner, usually with the generation of high temperatures and the release of gases. An explosion creates a shock wave.
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News tagged with explosion
Scientist uncovers relics of ancient cosmos
Space & Earth / Space Exploration
Dec 14, 2009 |
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(PhysOrg.com) -- A University of Manchester scientist, working as part of an international team, has uncovered an unexpectedly rich trove of relicts from the ancient cosmos.
Rapid supernova could be new class of exploding star
Nov 05, 2009 |
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(PhysOrg.com) -- An unusual supernova rediscovered in seven-year-old data may be the first example of a new type of exploding star, possibly from a binary star system where helium flows from one white dwarf ...
Cosmic Rays Hit Space Age High
Sep 29, 2009 |
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(PhysOrg.com) -- Planning a trip to Mars? Take plenty of shielding. According to sensors on NASA's ACE (Advanced Composition Explorer) spacecraft, galactic cosmic rays have just hit a Space Age high.
Very High Energy Gamma Rays
Sep 25, 2009 |
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(PhysOrg.com) -- Gamma-rays are the most energetic known form of electromagnetic radiation, with each gamma ray being at least one hundred thousand times more energetic than an optical light photon. The most ...
NASA Goes Inside a Volcano, Monitors Activity
Space & Earth / Earth Sciences
Aug 07, 2009 |
5 / 5 (2) |
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(PhysOrg.com) -- Scientists have placed high-tech "spiders" inside and around the mouth of Mount St. Helens, one of the most active volcanoes in the United States. Networks such as these could one day be used ...
Astrophysicists solve mystery in Milky Way galaxy
Jul 09, 2009 |
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A team of astrophysicists has solved a mystery that led some scientists to speculate that the distribution of certain gamma rays in our Milky Way galaxy was evidence of a form of undetectable "dark matter" ...
Explosive growth of life on Earth fueled by early greening of planet
Space & Earth / Earth Sciences
Jul 08, 2009 |
4.7 / 5 (10) |
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Earth's 4.5-billion-year history is filled with several turning points when temperatures changed dramatically, asteroids bombarded the planet and life forms came and disappeared. But one of the biggest moments ...
Fermi Telescope reveals a population of radio-quiet gamma-ray pulsars
Jul 02, 2009 |
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(PhysOrg.com) -- A new class of pulsars detected by NASA's Fermi Gamma-ray Space Telescope is solving the mystery of previously unidentified gamma-ray sources and helping scientists understand the mechanisms ...
Milky Way's super-efficient particle accelerators caught in the act
Jun 25, 2009 |
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Thanks to a unique "ballistic study" that combines data from ESO's Very Large Telescope and NASA's Chandra X-ray Observatory, astronomers have now solved a long-standing mystery of the Milky Way's particle ...
Space shuttle science shows how 1908 Tunguska explosion was caused by a comet
Space & Earth / Earth Sciences
Jun 24, 2009 |
3.4 / 5 (19) |
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The mysterious 1908 Tunguska explosion that leveled 830 square miles of Siberian forest was almost certainly caused by a comet entering the Earth's atmosphere, says new Cornell University research. The conclusion ...
Geoscientist offers new evidence that meteorite did not wipe out dinosaurs
Space & Earth / Earth Sciences
May 04, 2009 |
4.5 / 5 (21) |
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A Princeton University geoscientist who has stirred controversy with her studies challenging a popular theory that an asteroid wiped out the dinosaurs has compiled powerful new evidence asserting her position.
New Gamma-Ray Burst Smashes Cosmic Distance Record (w/Video)
Apr 28, 2009 |
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(PhysOrg.com) -- NASA's Swift satellite and an international team of astronomers have found a gamma-ray burst from a star that died when the universe was only 630 million years old, or less than five percent ...
Water acts as catalyst in explosives
Mar 20, 2009 |
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The most abundant material on Earth exhibits some unusual chemical properties when placed under extreme conditions.
Signs point to sponges as earliest animal life
Biology /
Feb 04, 2009 |
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(PhysOrg.com) -- Even Charles Darwin was puzzled by the apparently sudden appearance in the fossil record of a great variety of multicellular creatures — a rapid blossoming known as the Cambrian explosion. ...
Starburst galaxy sheds light on longstanding cosmic mystery
Nov 02, 2009 |
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(PhysOrg.com) -- An international collaboration that includes scientists from the University of Delaware's Bartol Research Institute in the Department of Physics and Astronomy has discovered very-high-energy ...
