10 Questions
What is the most recent theory proposed about the formation of the Moon?
Giant Impact Theory
How much more energy did the collision that formed the Moon have compared to the one that killed the dinosaurs?
100 million times more energy
Why is the giant impact theory widely believed according to the text?
It explains why the Moon is less dense than Earth.
What crucial factor had to be just right for Theia to form the Moon?
The angle of impact
What do lunar rocks and Earth rocks both contain according to the text?
Nonradioactive isotopes of oxygen
What was destroyed during the giant impact according to the text?
Theia
What process led to the eventual formation of the Moon from the debris following the giant impact?
Accretion
Why does the giant impact theory propose that Earth's upper mantle was decimated?
Due to the energy released during the collision
What evidence from astronauts on the Moon supports the giant impact theory?
'Molten' nature of lunar rocks
'Lunar Collision Theory' and 'Giant Impact Theory' are similar but differ in:
'Lunar Collision Theory' doesn't involve Theia.
Explore myths and stories about the formation of the Moon from various cultures around the world. Learn about ancient Chinese and Aztec beliefs regarding the origins of the Moon.
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