Explore the vast reaches of space and mankind’s continuing efforts to conquer the stars, including theories such as the Big Bang, the International Space Station, plus what the future holds for space travel and exploration.
Is it possible to see (with a telescope) the stuff left behind on the moon by the Apollo astronauts to prove whether the missions were real?
If "nature abhors a vacuum," then why doesn't the vacuum of space suck away all of the Earth's atmosphere?
It turns out that measuring the distance to a star is an interesting problem! Astronomers have come up with two different techniques to estimate how far away any given star is.
In science, we are learning about the atmosphere. It protects us from meteors because it burns them up. So, why doesn't the space shuttle burn up?
According to an article I read, astronomers are able to detect that star has a planet orbiting it by observing the "wobble" of the star induced by the gravitational pull of one or more planets. At the tremendous distances involved, what is the technology that enables these discoveries?
Can the curvature of the Earth only be seen from outer space? If you didn't know that the Earth is a sphere, there are three common observations you could use to convince yourself that it is.
Believe it or not, the hardest part of space exploration is getting a spaceship off the ground. Explore the basics of propulsion and learn about both solid-fuel and liquid-fuel rocket engines.
When nature calls, you have to listen. But when you're in microgravity, going to the bathroom can be a major challenge. How do astronauts get the job done?
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