View Full Version : How Do We Learn About An Alien Planetís Size And Atmosphere?

2013-Dec-05, 02:30 PM
The fun and challenge of exoplanet science is the planets are so far away and so tiny. Figuring out what they look like isn’t as simple as just pointing a telescope and observing. This new video from NASA explains how astronomers use the parent star to figure out the planet’s size, mass, atmosphere and more. […]

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