NewScientist (4) 썸네일형 리스트형 Number of asteroids that pose risk to Earth is doubled Number of asteroids that pose risk to Earth is doubled by Lisa Grossman 15:40 18 May 2012 Close to home: 4700 asteroids are large enough to pass through Earth's atmosphere intact (Image: NASA/JPL-Caltech) The Earth is at risk from more asteroids than previously thought, according to a new survey. New data from the asteroid-tracking NEOWISE mission reveals that twice as many asteroids as previous.. Number of asteroids that pose risk to Earth is doubled Number of asteroids that pose risk to Earth is doubled by Lisa Grossman 15:40 18 May 2012 Close to home: 4700 asteroids are large enough to pass through Earth's atmosphere intact (Image: NASA/JPL-Caltech) The Earth is at risk from more asteroids than previously thought, according to a new survey. New data from the asteroid-tracking NEOWISE mission reveals that twice as many asteroids as previous.. Cyberwar countermeasures a waste of money, says report Cyberwar countermeasures a waste of money, says report by Paul Marks 17:42 17 January 2011 When the writer of an infamous book for hackers says we should stop panicking about cyberwar it's probably time to sit up and take notice. "Governments should take a calm, disciplined approach and evaluate the risks of each type of attack very carefully rather than be swayed by scare stories," says Peter S.. Top 10 space stories of 2008 Top 10 space stories of 2008 The most popular space stories of the year include a gallery of spooky cosmic images and an exploration of whether the universe existed before the big bang. Next Image 1 of 10 (Image: NASA/Hubble Heritage Team/STScI) Ghostly gallery: Spooky images from space Our ghoulish Halloween gallery included a stellar Lord of the Rings, a spectral eel and a death mask on Mars, .. 이전 1 다음