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| | | Artist's concept via SpaceX | | | | TESS planet-hunter achieves 1st light | | TESS is the successor to the Kepler mission, which single-handedly discovered a big fraction of all known exoplanets. NASA released TESS' 1st-light image on Monday. Ahoy! New worlds ahead! Read more. | | | | | | | |
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| | | This week … Moon sweeps near Saturn and Mars | Tuesday night's moon is waxing toward full and is between these 2 bright planets. Watch for them! Read more. | | | | |
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| | Dry ice frosts a Mars crater | The white markings here are bright residual carbon dioxide ice deposits - dry ice - on the south-facing rim of a pit crater on Mars. Image via ESA's ExoMars orbiter. Read more. | | |