How do astronomers make sense out of the vastness of space? How do they study things so far away? Today Phil talks about distances, going back to early astronomy. Ancient Greeks were able to find the size of the Earth, and from that the...

Not all of the objects in the solar system are named after Greek and Roman gods -- some are named after literary figures, movie stars, and don't get us started on what people think Earth is really called.

Maybe you'd like to just hear about one topic for a while. We understand. Thus, we've created our Compilation Series. In this video, we look at some of our videos about Space. Sabrina talks to us about the Sun, stars, the universe, and...

Of all the astronomical phenomena you can witness, the total solar eclipse has to be the most visceral--the most in-your-face reminder that our reality consists of giant balls of rock spinning around stars. It's also the eclipse and...

The Antikythera mechanism, discovered in a shipwreck off the coast of the Greek island Antikythera in 1901, is an ancient Greek device designed to predict astronomical positions and eclipses for. Recent research suggests it may have...

Physics teacher and solar astronomer Simon Foster explores how we developed our understanding of the universe and uses our changing models of the solar system to explain how science works.



On location on top of a volcano in...

Dr. Mark Matney, Space Debris Scientist and Astronomer, talks about the science and history of eclipses. He also describes the total solar eclipse that will sweep over the U.S. on August 21, 2017, and how to safely view it. HWHAP Episode 7.

People have suspected that Earth rotates for thousands of years, but how did we first prove it?

How did previous generations of scientists think of the Universe, and how has that understanding changed over time?
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In this video we learn all about constellations for kids. At night we can see thousands of stars and scientists long ago figured out that the stars line up in recognizable patterns. The patterns form shapes of people, animals, and...

Some odds & ends about 'grass widow', 'widows & orphans', golf, & Mountbatten. Image credits='httpPodcastwikipedia.org/wiki/File:Johnson_J_Hooper_Plaque.JPG' target='_blank' rel='nofollow'>credits