Word: earthly
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...example, the government’s unmanned aerial vehicles identified heavy equipments belonging to an NGO called “Norwegian People’s Aid” being used by the LTTE to build a complex network of massive earth bunds around its major strongholds, such as Killinochchi and Mulattivu. Some bunds were longer than 30 miles and rose above 10 feet. When questioned, the NPA replied that LTTE robbed the machinery from them. The government’s position was further consolidated when the program officer of another NGO, called “ZOA,” stated...
...This isn't to say that Sunday's reports weren't accurate, but with a lot more naturally occurring flotsam whizzing around space than the man-made kind, Earth is always in the path of something or other. A sonic boom is perfectly consistent with anything entering our atmosphere, as is a visible fireball - hence the phenomenon of the shooting star. On any other day, the Texas sightings would be dismissed as nothing more than that. Those rocks don't reach the ground because the atmosphere dispatches them neatly, and it should have no trouble digesting the satellite junk...
...pictures of Earth from space...
...space travel survivable at all? Because all speed is relative. A satellite orbiting Earth may be moving at 17,500 m.p.h., but so is every other object in the same orbital corridor. Relative to one another, they're standing still. If one happened to speed up to 17,505 m.p.h., the most it could do is nudge another ship at 5 m.p.h. Attaining orbit is like entering an expressway: the tricky part is merging; once you're there, all you have to do is maintain your speed, and you'll be fine. (Read "Are We Bringing Our Germs to Mars...
...Think about two cars colliding in an intersection," says Nicholas Johnson, head of NASA's Orbital Debris Program. "The individual speeds [of the satellites] were about 17,000 m.p.h., but the collision speed was 26,000." (See pictures of meteors that hit Earth...