Radio Astronomy
Watch SETI-Seeking Radio Dishes Dance Across the Universe
Radio dishes always evoke wonder, as these giants search for invisible (to our eyes, anyway) radio signals from objects like…
What Was the WOW Signal?
What was the signal received in 1977? Was it a cryptic message from an alien civilization? (more…)
Returning the “Silent Sentinel” to Active Duty
Situated on the south shore of New Jersey’s Shark River lies 37 acres of land known as Camp Evans. On…
Weekly Space Hangout – April 3, 2015: Lunar Eclipses & Asteroid Chunks!
Host: Fraser Cain (@fcain) Guests: Morgan Rehnberg (cosmicchatter.org / @MorganRehnberg ) Dave Dickinson (@astroguyz / www.astroguyz.com) (more…)
If You Could See in Radio These Are the Crazy Shapes You’d See in the Sky
Even though it's said that the average human eye can discern from seven to ten million different values and hues of…
Who Speaks for Earth? The Controversy over Interstellar Messaging
Should we beam messages into deep space, announcing our presence to any extraterrestrial civilizations that might be out there? Or,…
Communicating Across the Cosmos, Part 2: Petabytes from the Stars?
Since it was founded in 1984, the SETI (Search for Extraterrestrial Intelligence) Institute in Mountain View, California, has been a…
Communicating Across the Cosmos, Part 1: Shouting into the Darkness
Over the last 20 years, astronomers have discovered several thousand planets orbiting other stars. We now know that potentially habitable…
“Vampire” Galaxy Sucks Star-Forming Gas from its Neighbors
What happens when a galaxy doesn't have enough hydrogen to support its stellar production process? Why, it sucks it from…
Fast Radio Bursts May Originate Closer to Home Than Previously Thought
Fast radio bursts — eruptions of extreme energy that occur only once and last a thousandth of a second —…