喷气推进实验室的科学家们甚至考虑在1986年哈雷彗星经过时发射一个太阳帆与它会合,并沿着它的轨迹飞行。
Scientists at the Jet Propulsion Laboratory even once investigated sending a solar sail to rendezvous and ride along with Halley's Comet during its pass in 1986.
到那时我们太阳系最亮的两颗行星——金星和木星将密切会合,天王星和海王星将发出绿光,不过需要一架好的双筒望远镜才能看到。
That's when the two brightest planets in our own solar system, Venus and Jupiter, will almost unite. Uranus and Neptune will be shining green but will need a good binocular to be seen.
到那时我们太阳系最亮的两颗行星——金星和木星将密切会合,天王星和海王星将发出绿光,不过需要一架好的双筒望远镜才能看到。
That's when the two brightest planets in our own solar system, Venus and Jupiter, will almost unite.Uranus and Neptune will be shining green but will need a good binocular to be seen.
研判会合号传回来的数据,科学家发现爱神星是单颗固态体,组成相当均匀,而且在太阳系形成的早期就成形了。
Near allowed scientists to discover that Eros is a single solid body, that its composition is nearly uniform, and that it formed during the early years of our Solar System.
它与太阳关联的会合周期是398天零88分,比一年稍长一些。
Its synodic period brings it into conjunction with the sun every398days and88minutes a little more than a year.
它与太阳关联的会合周期是398天零88分,比一年稍长一些。
Its synodic period brings it into conjunction with the sun every398days and88minutes a little more than a year.
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