Tag: gravity
Apr 2nd: Will Emergent Gravity Rewrite Physics?
What is “emergence” in physics and why is it a big deal? What would it mean for gravity to be emergent? How would we have to rewrite the laws of physics?
Nov 22nd: Unveiling the Secrets of Gravity
Today, we will embark on a cosmic journey through the mysteries of gravity and the boundless cosmos. This Uni-Tea episode will unravel the mysteries of gravity and the awe-inspiring wonders of the cosmos that continue to captivate scientists and stargazers alike
Sep 23rd: Milky Way “Autobiographer” Dr. Moiya McTier
This week we are super excited to welcome Dr. Moiya McTier to talk about autobiography of Milky Way. Also news update about DART, Insight, VESPERA, Korea Pathfinde, JWST, and Gravity.
Jul 5th: What are the Alternatives to Dark Matter?
What are some of the problems with dark matter? What about modified gravity? Are there any other solutions? I discuss these questions and more in today’s Ask a Spaceman!
May 17th: Why is Gravity So Weak?
How did gravity get so ridiculously weak? Could it be related to extra dimensions? What does string theory and the concept of the “bulk” have to do with it?
Mar 1st: What are Lagrange Points?
Why are Lagrange points so crucial to astronomy? What makes even simple gravity so difficult? How do you “put” something at a Lagrange point?
Nov 30th: Cosmology Conundrums
Today @CheapAstro takes some cheap shots at dubious cosmology claims. What exactly is vacuum energy? What do you make of Massive Gravity?
Oct 28th: Where is the edge of Solar System?
Where is the edge of our Solar System? Or better yet, let’s say where is the outermost boundary of the Solar System?
Aug 17th: What’s So Groovy About Gravitational Waves? – Part 2
How did the observation of a kilonova change astronomy? How did that one observation kill off alternate models of gravity? What’s in store for the future of gravitational waves?