Astronomy
Course Description
Astronomy
The scientific study of the universe and the objects in it, including stars, planets, nebulae, and galaxies. Astronomy deals with the position, size, motion, composition, energy, and evolution of celestial objects. Astronomers analyze not only visible light but also radio waves, x-rays, and other ranges of radiation that come from sources outside the Earth's atmosphere.
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Posts
How Long Would It Take To Travel the Solar System?
Mars in a Minute: How Do You Get to Mars?
Marsquake: How does it feel like?
First Drive Test of NASA's Mars 2020 Rover
Curiosity's Selfie at 'Aberlady' and 'Kilmarie': NASA's Curiosity Mars rover took this selfie on May 12, 2019 (the 2,405th Martian day, or sol, of the mission). To the lower-left of the rover are its two recent drill holes, at targets called "Aberlady" and "Kilmarie."