Solar System History

Solar System History

Multiple Choice

What is the definition of a solar system?

• a system including: mercury, venus, earth, mars, jupiter, saturn, uranus, and neptune

• a gravitationally bound system of many stars, stellar remnants, interstellar gas, dust, and dark matter

• a system of objects that revolve around a star

How did our Solar System Form?

https://youtu.be/RT4OO0TFLHw?list=PL9TFrgFq75565gdN1T95J91ciMk7szjiZ

This is known as the Nebular Hypothesis

Solar System Formation Pt. 1

• A nebula or a spinning cloud of dust made of mostly light elements flattened into a protoplanetary disk

• The spinning nebula gained the majority of material in its center.

• This is why the sun Accounts for over 99% of the mass in our solar system

Solar System Formation Pt. 2

• The rest of the mass (1%) is then floating around our new sun

• Bits of this material clump together due to gravity.

• Large clumps of matter in orbiting the sun or a star were called protoplanets, which will develop into a planet.

Multiple Choice

The _____ BELT is where you can find left over bits and pieces that did not become planets. Hint: it's located between Mars & Jupiter!

• COMET

• SATURN

• KUIPER

• ASTEROID

Asteroid

vs.

Comet

vs.

Meteor

Poll

A shooting star is a __________

• comet

• asteroid

• meteor

Meteoroid

Comets leave trails of gas and dust behind them.

The trailing dust becomes meteors, and as these crash into the thin air of the Earth's atmosphere the dust burns up.

These bright streaks of light across the night sky are known as shooting stars

How do we know all this?!?!

• Telescopes on Earth

• Space probes

• Hubble Space Telescopes

• Rover expeditions

• These all allowed us to go where humans can't to gather information and take samples and learn new information!

Now it's time to review!!! :)

You can use your notes from last week if you have them!

Multiple Choice

Which planet is closest to the sun?

• Mars

• Venus

• Earth

• Mercury

Multiple Choice

Which planet is the largest?

• Earth

• Jupiter

• Saturn

• Pluto

Multiple Choice

Earth is known as the "Water Planet"

Mars is known as the "________ Planet"

• Rover

• Windy

• Red

Multiple Choice

What holds our solar system together?

• Glue

• Gravity

• Magnets

Multiple Choice

___________ is a big ball of hydrogen and helium gases, that make up 99% of all the mass in our solar system

• The Sun

• Jupiter

• Comets

• Saturn

Multiple Choice

True or False: Pluto is a true planet

• True

• False

Open Ended

Do you have any other questions about our solar system?