asteroids
how are asteroids formed
Asteroids are leftovers from the formation of our solar system about 4.6 billion years ago
What are the possible effects of a comet hitting the earth?
It might cause huge tidal waves and fires and put so much dust and soot in the air that most of the sunlight would be blocked, and plants would die and animals would have nothing to eat
earth is made of...
the crust, the mantle and the core
earths minerals are
oxygen, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium
earth is
7,926 miles
How frequently do comets pass the Earth?
10 comets crossing Earth's orbit per year
How do astronomers know which asteroids or comets pass by us?
Astronomers know which comets and asteroids pass by us by observing the path or orbit these objects take around the sun.
mars is made of..
mars minerals are...
mars size is
2,106mi
Has a comet ever hit our moon, and how many?
There are about 100 pingpong-ball-sized meteoroids hitting the moon per day
Can asteroids turn into comets?
here have been a number of cases where asteroids have “turned on” and become comet-like (got closer to the Sun) or when comets have ceased to show cometary activity.
neptune is made of
water, methane, and ammonia
neptunes minerals are
water, methane and ammonia
mercury size
1.516kmi
: What was the first ever comet's name?
enkes comet
Is it possible to see asteroids and comets from Earth?
yes but its very hard to see
jupiter is made of..
mostly hydrogen and helium.
jupiters minerals are
iron and silicate
venus size is
3.760
What are inside asteroids
clay and silicate rocks
How big is the biggest comet?
Comet Sarabat has a core that is about 100 miles wide. Comet McNaught-Russell has a core that's around 15 miles long, but its tail is about 139 million miles long
mercury is made of...
mostly all iron
mercurys minerals are
Since it lacks a crystal structure, mercury is technically not a mineral but is a “mineraloid”.
jupiter size
43.441mi