Meteor Showers
______ tons of space debris crash into the earth everyday.
50 tons
The moon is the ________largest natural satellite in the solar system.
5th
A Lunar Eclipse occurs when_____________
the earth blocks the sun’s light from reaching the moon.
Meteor showers occur when __________
the earth's orbit intersects with the orbit of a comet.
2 billion years ago the moon’s surface was once covered in_______________
an ocean of magma.
Lunar Eclipse only takes place during a Full Moon, this occurs every________________
29 and a half days.
_______ is when the earth and comets intersect.
Meteoroid Stream
Today the moon has traces of______________
water ice and covered in dust and debris.
Name the three types of Lunar Eclipses__________
Total
Partial
Penumbral
When space debris enters the atmosphere it generates vast amount or heat. The heat vaporizes, making the debris shine brightly. Creating _________
Shooting Stars
Countless craters are all over the moon, the largest crater on the moon is the_________
South Pole-Aitken Basin.
The earth casts two types of shadows on the moon. Large shadow called______ and small darker shadow called__________.
Penumbra
Umbra
Astronomer Ptolemy (100 AD-170 AD) believed________
that shooting stars were a sign of the gods looking upon mortals and listening to their wishes.
One theory how the moon was formed: __________
earth slammed into another planet. Debris from that collision started to orbit earth.
Each year the moon moves a little further away from the earth. Billions of years form now the moon will be______________________
too far away to fall under the earth’s umbral shadow.