原文已被隐藏，你可用 快捷键 - 或点击 显示原文 按钮来查看原文
第1段
1 .This is Scientific American's 60-Second Space. I'm John Matson. Got a minute?
该句暂无译文！
2 .Last week we told you about the end of an era:
该句暂无译文！
3 .NASA ended the Kepler spacecraft's exoplanet-hunting mission, following an irreparable mechanical failure.
该句暂无译文！
4 .This week, news of rebirth.
该句暂无译文！
5 .NASA's WISE satellite is a space telescope that carefully surveyed the universe in infrared light.
该句暂无译文！
6 .In 2010 it ran out of the cryogenic coolant that enabled its primary mission of mapping the skies.
该句暂无译文！
7 .But WISE still found work, scanning for asteroids near Earth.
该句暂无译文！
8 .Finally in 2011 NASA put the orbiting observatory into hibernation.
该句暂无译文！
9 .Now NASA is planning to reboot WISE to find more asteroids.
该句暂无译文！
10 .The space agency will fire it up in September for a three-year run.
该句暂无译文！
11 .WISE should be able to find some 150 new near-Earth asteroids and get a better handle on another 2,000.
该句暂无译文！
12 .Altogether more than 10,000 near-Earth asteroids, and almost 100 near-Earth comets, have been discovered by astronomers.
该句暂无译文！
13 .That census includes most of the really big ones, but the vast majority of smaller asteroids remain to be discovered.
该句暂无译文！
14 .As we saw in February, when a small asteroid exploded over Russia, breaking windows in thousands of buildings, even the little ones can still do big damage.
该句暂无译文！
15 .Thanks for the minute, for Scientific American's 60-Second Space.I'm John Matson.
该句暂无译文！