Irish Star on MSN16 小时
NASA amazed by never-before-seen 'waterworld' planet eight times bigger than Earth
The exoplanet, known as GJ 1214 b, was detected by the Hubble Space Telescope and dubbed a "waterworld" by the science ...
Earth's First Planetary Defense
Earth is hit by asteroids all the time, but to avoid severe damages in the future NASA's Double Asteroid Redirection Test ...
Space on MSN20 小时
Dead Star Consumes Material From Planets In Hubble Data
Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy material, the ingredients of planets," according to NASA's Goddard Space ...