The formation of rocky worlds from dust particles containing ice & carbon, increasing the possibility of Milky Way filled with aquatic planets
Jul 19th: Cosmic Billiards Leads to Inner Planetary Growth
The inner solar system was a wild and wooly place and the collisions that formed Earth and Venus were likely of the hit-and-run variety
Dec 1st: The Universe is (Still) Trying to Murder Us
In today’s episode, we’re going to look at everything from how past Earth couldn’t support photosynthesis because the days were just too short, to current Earth letting us get hit by more Cosmic Rays prior to Earthquakes going off, and to supernovae threatening our world while alien stars eat other planets.
Nov 24th: Once and Future Life on Venus, Earth, and Mars
Each week, when we set off to do this show, we start with one core idea: We want to tell you what is new in space and astronomy… and remember Earth is a planet too.
Oct 9th: Mission Roll Call Part 1: Earth Orbit
It’s time for another series! This time we’re gonna look at the missions that’re currently in place across the solar system. We’ll start with the key missions here on Earth
Sep 6th: Origin of Earth’s Water: A New Hypothesis Has Entered the Chat
For decades, scientists have been trying to work out just how the Earth got all its water, and the prevailing theory was that comets and asteroids brought it, and we have evidence for that mechanic; however, a new hypothesis has provided evidence that the water was already here, locked away in hydrous minerals in a very iron-poor core.
Jul 28th: How Old is the Earth?
Have you ever wondered how old the Earth is? How early scientists tried to get an answer for this puzzling problem, and how modern science has finally given us an answer?
Jul 1st: How Old is the Earth?
Have you ever wondered how old the Earth is? How early scientists tried to get an answer for this puzzling problem? And how modern science has finally given us an answer by looking at meteorites? More at #365DaysOfAstro
Jun 20th: Could the Earth Leave the Solar System?
Could we nudge the orbit of the Earth to avoid the death of the Sun? Could it get kicked out of the solar system altogether? What are rogue exoplanets?
May 25th: How Fast Does the Earth Rotate?
Today on #365DaysOfAstro, lets explore on how fast you’re spinning in space right now, and how you’d actually gain a little weight if the Earth stopped spinning. How Fast Does the Earth Rotate?