gravity
Astronomy Cast Ep. 401: Predictions for 2016 and Beyond
What do Pamela and Fraser think will happen or be discovered in 2016? What would they like to see in…
What is the Higgs Boson?
What is this thing we keep hearing about - the Higgs Boson, and why is it important? (more…)
How Many Moons Does Mercury Have?
The planet Mercury has no moons, but why is that the case? The reason is due to a combination of…
How Strong is Gravity on Other Planets?
Gravity is a fundamental force in our universe. And on the planets in our Solar System, it is dependent on…
What are Wormholes?
In science fiction, wormholes are a method often used to travel great distances across space. Are these magic bridges really…
What If We Dug a Tunnel Through the Earth?
If we could dig a tunnel through the Earth, what would happen? And is this even possible? (more…)
Did We Need the Moon for Life?
Astronomers hate the Moon because it ruins perfectly good observing nights. But is it possible that we all need the…
What is Tidal Locking?
The Moon is tidally locked to the Earth, which means that it always shows one face to our planet. In…
Is Jupiter Our Friend Or Enemy?
Like me, you’re probably a little ego-geocentric about the importance of Earth. It’s where you were born, it’s where you…
Is the Universe Dying?
Is our 13.8 billion year old universe actually in its death throes? Poor Universe, its demise announced right in it’s…