Light is tricky stuff, and it took scientists hundreds of years to puzzle out what this stuff is. But they poked and prodded at it with many clever experiments to try to measure its speed, motion and interaction with the rest of the Universe. For example, the Fizeau Experiment, which ran light through moving water to see if that caused a difference.
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.
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…
The JWST is flexing its muscles with its interferometry mode. Researchers used it to study…
Brown dwarfs span the line between planets and stars. By definition, a star must be…