We know you love a good series. This time we’re going to walk you through the history of astronomy, starting with the ancient astronomers and leading right up to the most recent discoveries. Today we’re going to start at the beginning, with the astronomers who first tri…
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Ep. 182: Astrometry
Astronomers have been cataloging star positions for thousands of years, from the first calculations made by Hipparchus, to the more recent star catalogs made by the spacecraft named after him. This is astrometry; another way to find our place in the Universe.
Ep. 181: Rotation
Everything in the Universe is spinning. In fact, without this rotation, life on Earth wouldn’t exist. We need the conservation of angular momentum to flatten out galaxies and solar systems, to make planets possible. Let’s find out about the physics involved with everyth…
Ep. 180: Albedo
Why are some objects in the Solar System bright while others are dim? Much of an object’s brightness is caused by its albedo, or how well it reflects radiation from the Sun. If you want to know how big a distant moon, comet, or asteroid is, you’ve got to know its albedo…
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