Title : Strange and Amazing Astronomy Facts Previous | Next
These are some really interesting facts on space. Space is one of the most fascinating and interesting topics in itself.Even though man has studied the heavens for thousands of years, we still know very little about the Universe we live in. Here is a collection of amazing, interesting, and strange astronomy facts, in no particular order.
- The Sun is over 300000 times larger than earth.
- Mercury, Venus, Earth and Mars are called the inner planets as they are closest to the sun!
- The Sun makes up around 99.86% of the Solar Systems mass.
- The Sun produces so much energy, that every second the core releases the equivalent of 100 billion nuclear bombs.
- If two pieces of metal touch in space, they become permanently stuck together.
- December 21st 1968, was the first time that humans actually left the Earth, when Apollo 8 became the first manned space vehicle to leave Earth orbit and to orbit the Moon.
- The density of Saturn is so low that if we were to put it in a giant glass of water it would float. The actual density of Saturn is 0.687 g/cm3 while the density of water is 0.998 g/cm3. At the equator Saturn has a radius of 60,268 ± 4 km.
- Galaxy – the Milky Way is spinning at a rate of 225 kilometers per second. In addition, the galaxy is travelling through space at the rate of 305 kilometers per second. Scientists do not all agree on the speed with which the Milky Way is travelling – estimates range from 130 – 1,000 km/s. It should be said that Einstein’s theory of relativity, the velocity of any object through space is not meaningful.
- Mercury is the closest planet to the Sun; temperatures can reach -280 degrees F. Why? Since Mercury has almost no atmosphere, there is nothing to trap heat near the surface. So, the dark side of Mercury (the side facing away from the Sun) is very cold.
- Olympus Mons, a volcano found on Mars, is the largest volcano found in solar system. It is 370 miles (595 km) across and rises 15 miles (24 km).
- Many scientists believe that an asteroid impact caused the extinction of the dinosaurs around 65 million years ago.
- The Moon appears to have more craters and scars than Earth because it has a lot less natural activity going on, the Earth is constantly reforming its surface through earthquakes, erosion, rain, wind and plants growing on the surface, while the moon has very little weather to alter its appearance.
- An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
- It would take more than 150 years to drive a car to the sun.
- Venus is the only planet that rotates clockwise.
- Moon is in fact moving away from Earth at a rate of about 2.5 cm per year. There are different statistics for the moon's rate of moving away from the Earth, some claim the rate of moon's moving away from the Earth is up to 34 cm per year but according to the most credible sources it moves 2.5 cm away from Earth each year.
- The same side of the Moon always faces the Earth. The Moon's rotation period is synchronous with its revolution period around the Earth.
- Satellite launched by Britain was called Black Arrow.
- The space age began on the 4th October 1957.
- Driving at 75 miles (121 km) per hour, it would take 258 days to drive around one of Saturn's rings.
- In 2006, astronomers changed the definition of a planet. This means that Pluto is now referred to as a dwarf planet.
- Astronaut Neil Armstrong (the first man on the moon) first stepped on the moon with his left foot.
- The first woman in space was a Russian called Valentina Tereshkova.
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