Today we have stories about the dwarf planet Ceres and asteroid 2014 YW14 discovered by Rose Matheny
Why do people believe the Earth is flat? How do we know it’s curved? Is a debate even worth it? I discuss these questions and more in today’s Ask a Spaceman!
Today we talk about our own home world: Earth. You might think you know the planet beneath your feet, but it’s actually one of the most interesting and dynamic places in the Solar System.
The Solar System is a really big place, and it takes forever to travel from world to world with traditional chemical rockets. But one technique, developed back in the 1960s might provide a way to dramatically shorten our travel times: nuclear rockets.
Although you can’t see the extremely faint geocorona, you can observe other components of the Earth’s nightly airglow.