Happy birthday, Hubble – is your best yet to come?
来源：未知 作者：寇莜峻 时间：2017-05-18 08:01:10
By David Shiga (Image: NASA/ESA/Hubble SM4 ERO Team) Twenty years after its launch, the Hubble Space Telescope’s spectacular images are a familiar sight. Yet it is incredible that the observatory has survived this long, given the near-death experiences it has faced along the way, says David Shiga LIKE the space telescope he championed, astronomer Lyman Spitzer faced some perilous moments in his career. Most notably, on a July day in 1945,