1.
Our solar system consists of one
central star, the Sun
2.
The Solar System have nine planets
named Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto
3.
Our solar system consists of more
than 60 moons
4.
Our solar system consists of
millions of rocky asteroids
5.
Our solar system consists of
billions of icy comets
6.
The solar system is said to be
over 5 billion years old.
7.
Planets are different in sizes and
colors. The four planets closer to the Sun are called ‘rocky’ planets.
8.
Only two planets have (Earth and
Mars) have moons
9.
The asteroid belt is a zone
between the orbits of Mars and Jupiter.
10. Mercury, Venus, Mars, Jupiter and Saturn can be seen with the
naked eye (Without telescope or binoculars)
11. Mercury, Venus, Earth and Mars are called ‘rocky’ or’
terrestial’ planets.
12. `Jupiter, Saturn, Uranus and Neptune are called the gaseous
planets.
13. Jupiter and Saturn contain the largest percentages of hydrogen
and helium, while Uranus and Neptune contain largest shares of ices, frozen
water, ammonia, methane, and carbon monoxide.
14. The four gas giants, Jupiter, Saturn, Uranus and Neptune, have
rings.
15. Hubble is one of the worlds most powerful telescopes.
16. The Sun is too bright for the Hubble Space Telescope to observe.
17. The sun is 330330 times larger than the earth.
18. The earth began billions of years ago as a huge ball of swirling
dust and gases.
19. Earth is only known planet where life began on 600 million years
ago.
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