Dark Matter
Weekly Space Hangout – April 24, 2015: Bas Lansdorp, CEO of Mars One
Host: Fraser Cain (@fcain) Special Guest: Bas Lansdorp, CEO of Mars One Guests: Morgan Rehnberg (cosmicchatter.org / @MorganRehnberg ) Brian…
Scientists Map the Dark Matter Around Millions of Galaxies
This week, scientists with the Dark Energy Survey (DES) collaboration released the first in a series of detailed maps charting…
How Do We Know Dark Energy Exists?
We have no idea what it dark energy is, so how are we pretty sure it exists? I've talked about…
How Do We Know Dark Matter Exists?
Dark matter can't be seen or detected by any of our instruments, so how do we know it really exists?…
Weekly Space Hangout – February 13, 2015 – Paul Gilster and his “Centauri Dreams”
Host: Fraser Cain (@fcain) Special Guest: Paul Gilster (centauri-dreams.org / @centauri_dreams),author of "Centauri Dreams" Guests: Morgan Rehnberg (cosmicchatter.org / @MorganRehnberg…
How Fast is the Universe Expanding?
The Universe is expanding, but how quickly is it expanding? How far away is everything getting from everything else? And…
What is Gravitational Lensing?
Gravity's a funny thing. Not only does it tug away at you, me, planets, moons and stars, but it can…
What Is The Biggest Thing in The Universe?
Think big. Really big. Like, cosmic big. How big can things in the Universe get? Is a galaxy big? What…
NASA’s NuSTAR Scans the Sun with X-ray Vision
What if you had x-ray vision like Superman? Or if those funny-looking glasses they advertised in comic books in the 60s…
Weekly Space Hangout – Dec. 19, 2014: Methane on Mars!
Host: Fraser Cain (@fcain) Guests: Morgan Rehnberg (cosmicchatter.org / @cosmic_chatter) Ramin Skibba (@raminskibba) Alessondra Springmann (@sondy) (more…)