January 30, 2019

Where do asteroids come from?

Asteroids are left over from the formation of our solar system. Our solar system began about 4.6 billion years ago when a big cloud of gas […]
January 30, 2019

What is an asteroid?

Asteroids are chunks of rock that orbit the sun and wander around the solar system. They’re the rubble left over from the solar system’s formation roughly […]
January 30, 2019

Is time travel possible?

It’s not only possible – humans are doing it all the time! Of course, we’re all moving forward in the time right now (at a rate […]
January 30, 2019

What is dark matter?

The other 27 percent of the universe is made of this stuff, which is easier to detect than dark energy because astronomers can measure its gravitational […]