Big, dead satellite's crash was a space-junk wakeup call, experts say

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Big, dead satellite's crash was a space-junk wakeup call, experts say
France Dernières Nouvelles,France Actualités
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Leonard David is an award-winning space journalist who has been reporting on space activities for more than 50 years. Currently writing as Space.

There is some interesting residual fallout from the recent nosedive to Earth of the European Remote Sensing satellite, or ERS-2. decided to bring the radar-toting spacecraft's mission to an end. The agency commanded a series of deorbit maneuvers, which lowered the satellite's average altitude and mitigated the risk of collision with other satellites or

In fact, it's likely that parts of the 2.5-ton ERS-2 did survive the fiery reentry. On average, between 10% and 20% of larger objects' mass makes it through the atmosphere and hits the ground or water, said Simona-Elena Nichiteanu, an ESOC media relations officer. And the North Pacific sees air traffic traveling between Asia and North America, and to Hawaii, Wright pointed out.

"It is not a question of 'if' but rather 'when' a derelict object will survive to Earth's surface and result in significant damage, a fatality or injury," McKnight told Space.com.

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