Astronomy Cast Ep. 398 – Seeing Things: Emitting, Reflecting, Ionizing Light Sources
Astronomers gather electromagnetic radiation with the telescopes: mostly visible light. But sometimes they’ve got to be clever about where they look for these elusive photons. Light can get emitted, absorbed, reflected, and each method tells astronomers a little more about what they’re looking at.
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.
Recent Posts
Exoplanet Discovered in a Binary System Could Explain Why Red Dwarfs Form Massive Planets
In recent years, the number of known extrasolar planets (aka. exoplanets) has grown exponentially. To…
Most Mars Meteorites Came From Five Craters
We've learned a tremendous amount about Mars because samples from the Red Planet have already…
NASA Reveals the Mind-Boggling Scale of Hurricane Milton seen from Space
We often talk about Jupiter’s Great Red Spot quite candidly but forget that hurricanes can…
A New Way to Detect Rocky Exoplanet Atmospheres
The total number of exoplanets discovered to date totals 5,288. Among them are a host…
How Did Mars Become Uninhabitable?
Mars has captured our imagination for centuries. Ever since the invention of the telescope our…
Good News. Comet Encke Only Threw a Handful of Giant Space Rocks in our Direction
As comets travel along their orbit they dump material along the way. A stream of…