Astronomía y espacio

Astronomy with the naked eye Basic keys of the Moon The Moon is the Earth's natural satellite. In its movement around our planet, the Moon takes approximately 28 days to make a full turn. When...
One of my friends has been saying "NASA is going to blow up the Moon". While that's not necessarily correct, it does seem to get people's attention. So what's...
Have you ever wondered how the earth stays in orbit around the sun? I mean, the pull of gravity is stronger the closer you are to the sun, so you'd think that if the earth got bumped slightly...
A while back I told you about some rogue asteroids whose threat to Earth, while mathematically minuscule, is nonetheless real. This raises the question of what our plan is for stopping one of these...