All planets to align at the same time in rare planetary parade
All planets to align at the same time in rare planetary parade - For the last time until 2040, seven planets will appear ...
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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 ...