At the turn of the 20th Century, Einstein’s theory of relativity stunned the physics world, but the experimental evidence needed to be found. And so, in 1919, another respected astronomer, Arthur Eddington, observed the deflection of stars by the gravity of the Sun during a solar eclipse. Here’s the story of that famous experiment.
Visit the Astronomy Cast Page to subscribe to the audio podcast!
We record Astronomy Cast as a live Google+ Hangout on Air every Monday at 12:00 pm Pacific / 3:00 pm Eastern. You can watch here on Universe Today or from the Astronomy Cast Google+ page.
In 1960, in preparation for the first SETI conference, Cornell astronomer Frank Drake formulated an…
The Pentagon office in charge of fielding UFO reports says that it has resolved 118…
The Daisy World model describes a hypothetical planet that self-regulates, maintaining a delicate balance involving…
Researchers have been keeping an eye on the center of a galaxy located about a…
When it comes to telescopes, bigger really is better. A larger telescope brings with it…
Pluto may have been downgraded from full-planet status, but that doesn't mean it doesn't hold…