Welcome back to Cosmos in a Pod! I’m your host, Amitesh, and today we’re uncovering the profound force that governs the universe: gravity. From shaping stars and planets to sculpting galaxies and the cosmic web, gravity is the invisible force that holds it all together.

Episode Highlights:

What is gravity?

• One of the four fundamental forces, gravity is the attraction between objects with mass.
• Newton’s laws describe its effects, but Einstein’s general relativity reveals it as the warping of spacetime by massive objects.

Gravity and the Universe’s Formation

• After the Big Bang, gravity amplified density fluctuations, leading to the formation of dark matter halos and galaxies.
• Dark matter’s gravitational pull served as the framework for the cosmi ...