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



Fraser
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. […]

More... (http://www.universetoday.com/106958/how-do-we-learn-about-an-alien-planets-size-and-atmosphere/)