Planets
What is the smallest planet?
Mercury.
How many stars are in our solar system.
one!
the sun is the only star in the solar system.
are meteors big or small?
They are small about the size of a pebble to a fist.
about how long is our galaxy?
(in light years)
about 100,000 light-years across.
swap points!
swap points!
what is the biggest planet?
Jupiter.
are all stars the same?
No they are all different
What is the difference between a meteor, a meteorite?
The ones that enter Earth's atmosphere and burn up are called meteors.
The ones that don't burn up entirely and instead crash into the surface of the earth are called meteorites.
About how many stars are in our galaxy?
about 200 billion
nothing (your lucky)
nothing (your lucky)
Jupiter, Saturn, Uranus, Neptune, Earth, Venus, Mars, Mercury.
Name the biggest kind of star
red hypergiant
What is a meteor shower?
A meteor shower happens when Earth passes through the path of a comet. When this happens, the bits of comet debris, most no larger than a grain of sand, create streaks of light in the night sky as they burn up in Earth's atmosphere. Bits of debris which enter Earth's atmosphere are called meteors.
what makes a galaxy a galaxy?
When stars, planets, and vast clouds of gas and dust, all bound together by gravity
lose 200 points
not that bad
Which planet rotates on its side?
Uranus.
why stars colors different?
because of their temperature.
How high up do meteors occur?
50-80 kilometers (31-50 miles) above Earth's surface.
What in the center of a galaxy?
super massive black hole.
You get 400 points!
You get 400 points!
Why is Mars red?
oxidization – or rusting – of iron in the rocks, regolith (Martian “soil”), and dust of Mars.
Name the biggest kind of star.
red hypergiant.
when did the first meteorite hit earth.
3.46 billion-years ago
why is the center of a Galaxy bright?
because more stars are packed into this area.
Lose all points
sorry but you must 😭