他们正使用地面仪器以及绕轨道运行的仪器如哈勃太空望远镜和斯皮策太空望远镜检查这些候选恒星。
They're checking out the candidates with ground-based instruments as well as orbiting assets like the Hubble Space Telescope and the Spitzer Space Telescope.
这样规模的收集天文数据还是头一回，普林斯顿天体物理学家罗伯特·厄普顿说，他曾负责检查斯隆的资料处理，现在忙着设计这台望远镜。
It's the first attempt to sort astronomical data on this scale, says Princeton astrophysicist Robert Lupton, who oversaw data processing for the SDSS and is helping design the LSST.
科学们重新检查了哈勃太空望远镜拍摄于1998年的一张图片，利用一种可以从照片中去除星光的新技术消除星光影响，发现了隐藏在其中的一个新行星。
Using a new technique that removes starlight from an image, scientists re-examined a Hubble Space Telescope picture taken in 1998 and stripped away starlight to reveal a "hidden" world.
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