It is a common misconception that the Moon’s surface is a perfect vacuum. It is not! The Moon indeed has an atmosphere, a very tenuous one however. If you could capture the Moon’s entire atmosphere, it would weigh about 10,000 … Continue reading
The space shuttle Discovery safely landed after successfully completing its 13-day mission which was to complete the building of the International Space Station. It is now ready and working at full power since the two final solar array wings have been added. This required some space walks. Continue reading
Image credit: NASA This sounds like something from a science fiction movie, but it is a real threat to the whole planet. It can happen any time. A medium sized asteroid of a few kilometers in diameter crashing into the … Continue reading