Will space debris ever become so abundant that space flight will become economically or logistically impossible?

In 2007 China successfully destroyed one of their own aging polar-orbiting weather satellites just so they could prove they could. Debris from the destroyed satellite collided with Russia's BLITS satellite in 2013, resulting in thousands of pieces of new space debris and is considered the most prolific and severe fragmentation in the course of five... Continue Reading →

Are there objects in the solar system revolving around the sun that do not lie on the planetary plane? How would we know, except in the rare coincident that our paths intersect?

Yes, of course. One example rarely considered is the Oort Cloud, pictured below. The Oort cloud is thought to contain objects that occasionally become dislodged to become long-period comets. It surrounds us like a giant sphere, well beyond Neptune and any known planets.

How do I explain how we can see the moon during the day to my teacher?

How can you explain how we see the moon during the day to your teacher? The moon is visible in daytime because the apparent brightness (m) of reflected sunlight off the surface of the moon essentially exceeds the brightness of the blue sky, unlike the stars. That’s your simple answer. Apparent brightness is the brightness... Continue Reading →

Within 10 years, how can we live in space for approximately 1 year and on Mars for about 2 years, which is the time needed to catch the bus back home, which will take another approximately 1 year back home?

If you are wanting to think outside the box you might want to look at the Chinese space plans to launch a manned mission to Mars by 2020, at least according to CNN. If true, China will be the first ones to put footprints on Mars.

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