1. The Sun travels around the galaxy once every 200 million years – a journey of 100,000 light years. 2. A day in Mercury lasts approximately as long as 59 days on earth. 3. Spacecrafts toilets have to get rid of waste in low gravity conditions, Astronauts have to sit on a device which sucks away the waste. Solid waste is dried and dumped in space, but the water is saved. 4.Spacecrafts have double hulls (outer coverings) which protect them against other space objects that crash into them. 5. During the moon landing, a mirror was left on the Moon’s surface to reflect a laser beam which measured the Moon’s distance from the Earth with amazing accuracy. 6. From the moon, astronauts brought back 380 kg of Moon rock 7. When Neil Armstrong stepped on the Moon for the first time, he said these famous words: “That’s one small step for a man; one giant leap for mankind. 8. The red color of Mars is due to oxidized (rusted) iron in its soil 9. The Shoemaker-Levy 9 comet smashed into Jupiter in July 1994, with the biggest crash ever witnessed. 10. Planets have magnetic field around them because of the liquid iron in their cores. As the planets rotate, so the iron swirls, generating electric currents that create the magnetic field.
Posted on: Sun, 25 Aug 2013 09:54:22 +0000
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