Questão 1
Questão
1. All asteroids are found between Mars and Jupiter
Questão 2
Questão
2. Comets are balls of fire flying through space
Questão 3
Questão
3. If you put all the asteroids together and made one planet from then, the new planet would be smaller than Earth’s moon.
Questão 4
Questão
4. Ceres, the largest asteroid, is also the brightest one.
Questão 5
Questão
5. Shooting stars are really stars falling out of the sky.
Questão 6
Questão
6. Comets are essentially dirty, snowy mud-balls in space.
Questão 7
Questão
7. Comets are believed to come from a huge cloud of comets a thousand times more distant than Pluto called the Oort Cloud.
Questão 8
Questão
8. If a meteor hits the Earth’s surface, we change its name to a meteorite.
Questão 9
Questão
No asteroids are visible to the naked eye.
Questão 10
Questão
10. Comets have two tails.
Questão 11
Questão
11. A comet’s tail always drags behind the comet .
Questão 12
Questão
12. A comet’s tail always points away from the Sun.
Questão 13
Questão
13. Flying a spaceship through the asteroid belt is very dangerous.
Questão 14
Questão
14. A comet gets smaller each time it goes around the Sun.
Questão 15
Questão
15. Most meteors are rocks smaller than pebbles or sand.
Questão 16
Questão
16. Meteors showers are pieces of disintegrated comets.
Questão 17
Questão
18. Bolides are what we call large meteors
Questão 18
Questão
19. Asteroids that cross Earth’s orbit are called Apollo asteroids.
Questão 19
Questão
Some scientists think the extinction of the dinosaurs may have been caused by the collision of a Trojan Asteroid with Earth.