In order to allow for a static Universe, Albert Einstein introduced the concept of the Cosmological Constant Lambda to make the math work out. Once it was discovered that the Universe was actually expanding, he threw the number out calling it his “biggest blunder.” But thanks to dark energy, the Cosmological Constant is back.
Click here to download the episode.
Or subscribe to: astronomycast.com/podcast.xml with your podcatching software.
“Cosmological Constant” on the Astronomy Cast website, with shownotes and transcript.
And the podcast is also available as a video, as Fraser and Pamela now record Astronomy Cast as part of a Google+ Hangout:
Recent Posts
Are Fast Radio Bursts Caused by Interstellar Objects Crashing Into Neutron Stars?
Astronomers have only been aware of fast radio bursts for about two decades. These are…
Here’s How to Weigh Gigantic Filaments of Dark Matter
How do you weigh one of the largest objects in the entire universe? Very carefully,…
How Could Astronauts Call for Help from the Moon?
Exploring the Moon poses significant risks, with its extreme environment and hazardous terrain presenting numerous…
There Was a 15 Minute Warning Before Tonga Volcano Exploded
Volcanoes are not restricted to the land, there are many undersea versions. One such undersea…
Main Sequence and White Dwarf Binaries are Hiding in Plain Sight
Some binary stars are unusual. They contain a main sequence star like our Sun, while…
What a Misplaced Meteorite Told Us About Mars
11 million years ago, Mars was a frigid, dry, dead world, just like it is…