August 31, 2009
Reports indicate that the Perseid meteor shower, which will be visible on August 11 and 12, would yield more than 80 meteors an hour streak across the sky during the best viewing time. Meteors are bits of dust or rock that collide with earth’s atmosphere and heat up gas particles to produce a glowing trail. [...]
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August 31, 2009
Thanks to a nifty new silicon gadget, namely a miniature gravity detector, peering beneath the surface of Mars and other planets to reveal buried geological features could get easier. According to a report in New Scientist, the device, called a gravity gradiometer, has been designed to measure how much the force of gravity changes from [...]
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