Update from beyond the solar system! Is the universe closed?What’s the different between an asteroid and a dwarf planet?
Oct 21st: Weird Issues: The Age of the Universe
Our series on Universe weirdness continues, this time we learn how astronomers are struggling to make sense of the age of the Universe.
Oct 14th: Weird Issues: The Expansion Rate of the Universe
Astronomers have been trying to accurately measure the expansion rate of the Universe. It’s been tough to nail down, and now astronomers are starting to figure out why.
Sep 3rd: What’s it like to fall into a black hole? (redux)
Sep 2nd: Questions Show: Multiple Big Bangs, Satellite Collisions and the Size of the Universe
This week we wonder if the Universe is going to collapse and then expand again, how satellites can have such different velocities, and the size of the observable Universe.
Aug 28th: How Old is the Universe?
Our universe is 13.8 billion years old,. How do astronomers arrive at such an enormous number? more with Sabrina @qdteinstein @quickdirtytips at #365daysOfAstro
Aug 20th: Is the universe really predictable?
Jun 18th: How Do We Measure The Expansion Of The Universe?
What’s the deal with redshift? How can we actually interpret velocities when it comes to cosmic expansion?
May 18th: Universal – A Guide to the Cosmos
Book Review: “Universal: A Guide to the Cosmos” by Brian Cox & Jeff Foreshaw
May 16th: The Universe is Kind of Big, I Guess
It turns out that the universe is kind of big. If the universe is important are we immortal? Did life happen on Venus and Mars?