comets
what are comets made of?
dust, ice, rock
Mercury
Is a meteoroid smaller than an asteroid?
Yes.
In what year did the definition of a planet change?
2006
Why are asteroids not considered planets?
They are too small
In what year will we next be able to see Halley’s comet?
2061
What is the biggest planet in the solar system?
Jupiter.
What size are meteoroids?
Usually the size of dust particles but some are the size of cars and buildings.
Where have the most dwarf planets been discovered?
beyond the orbit of Neptune.
Finish the sentence: Asteroids are left over ____
rocks from the foundation of the solar system.
Which way does the gaseous tail point?
Directly away from the sun.
What is the hottest planet in the solar system?
Venus.
How many tonnes of meteoroids as small as dust particles fall on the earths surface everyday?
About 100 tonnes.
What differentiates a dwarf planet from a planet?
Dwarf planets don’t dominate their orbits.
where are most asteroids found?
Asteroid belt.
What happens if a comet is too close to a planet?
It can be pulled in by the planets gravity.
What are the planets that lie in the outer solar system known as?
gas giant planets.
A Leonid meteor shower occurs around what date each year?
Around November 17 each year.
How many dwarf planets do astronomers suggest there is?
2000
True or false, asteroids come in a fixed regular shape?
False
why do comets appear to have large tails flowing away from the sun?
Radiation and solar wind cause a gaseous tail to form.
What are the four planets beyond mars?
Jupiter, Saturn, Uranus,Neptune
When a meteoroid is pulled into the earth’s atmosphere friction is caused making them burn up this causes a bright streak of light to burn across the sky, what is this phenomenon referred to as?
Shooting star.
Name the five dwarf planets.
Pluto, Ceres, Haumea, Makemake, Eris.
The asteroid belt is in between which two planets?
Mars and Jupiter.