The Moon

The Moon• Unlike the Earth the Moon does not have an ________ core

• Scientists believe it was formed around 4 billion years ago

Formation

Formation• Theory: Another _________ collided with Earth

• Roughly the same size as _________

Formation• All of the heavy ________ from the ______ ended up in the ________

• The lighter material formed the __________

Animation

Formation

Formation• Proof: Rocks brought back from the ________ are very similar to those found on _________

Solar Flares

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Solar Flares

Solar Flares

Solar Flares• Vast clouds of

________ particles

• Ejected at _______ speed

• Produce strong _________ fields

Solar FlaresCan cause various

problems:

• Radio interference• Voltage surges in

power grids• Damage to satellite

electronics