The Sun uses its enormous mass to crush hydrogen into fusion, releasing enormous energy. How long will it be until we’ve got this energy source for Earth?
Author Archive | Fraser Cain
It’s a mystery that’s puzzled astronomers for years. Which came first, supermassive black holes or the galaxies that surround them?
In ancient times, astronomers and philosophers thought that the Earth was the center of the Universe. We know that’s wrong, but is there anything special about where we live?
We hear about discoveries of exoplanets every day. So how long will it take us to find another planet like Earth?
The stars look static in the sky, but are they moving? How fast, and how do we know?
This week Fraser joined by his Astronomy Cast co-host Dr. Pamela Gay to talk about all things astronomy, and casting.
Astronomers hate the Moon because it ruins perfectly good observing nights. But is it possible that we all need the Moon for our very existence?
How long would it take for the gravitational well created by the Sun to disappear, and the Earth and the rest of the planets fly off into space?