标签:彗星 相关文章
I had _____1______ the other night about us. What was it about, this dream? It was a dream of memories. I was wondering if I can have your number? She's with me. No, she's not. They were just memories of us over the years. You believe in love, I don'
AS IT IS 2014-08-07 Rosetta Spacecraft Catches a Comet 罗塞塔航天器捕捉到一颗彗星 After a 10-year trip, a European spacecraft has, for the first time, entered an orbit around a comet. The European Space Agencys Rosetta spacecraft began a
ESA Spacecraft to Land on a Comet 欧洲航天局探测器登录彗星 After a long flight through deep space, a European Space Agency probe is finally approaching its target - a comet millions of kilometers away from earth. Scientists say the missio
The Time Before Fire What is fire anyway? Well, fire is rapid oxidization . Its the energy released when oxygen atoms start combining with carbon and hydrogen atoms. Exactly, so without oxygen in the air, nothing burns. You mean there was a time befo
This is AP News Minute. President Trump has delayed the State of the Union address until the partial government shutdown ends. House Speaker Nancy Pelosi had objected to the speech during the shutdown. Trump said on Twitter no other location could co
The Oort cloud is a spherical haze of comets that surrounds our entire solar system. We often get the false impression that the solar system ends with Pluto. In fact, beyond Pluto is the Oort cloud, encircling everything else like an enormous shell.