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.
We go about our daily lives sheltered under an invisible magnetic field generated deep inside…
When the first stars in the Universe formed, the only material available was primordial hydrogen…
On 9 January 2024, the Einstein probe was launched, its mission to study the night…
Anyone familiar with astronomy will know that galaxies come in a fairly limited range of…
When a spacecraft arrives at its destination, it settles into an orbit for science operations.…
The list of chemicals found in space is growing longer and longer. Astronomers have found…