Our solar system

A solar system is based around and often named after it's...

• Largest planet

• First planet

• Star

• Galaxy where it is found

A period of time with an increased amount of sunspots, could do which of the following for Earth's climate?

• Decrease the amount of radiation from the sun, decreasing temperature

• Increasing the amount of magnetic activity on the sun, decreasing temperature

• Increase the amount of radiation from the sun, increasing temperature

• Increasing the amount of magnetic activity on the sun, increasing temperature

Tags

NGSS.HS-ESS2-4

Which of the following is true.

• Sunspots always occur in groups of 3

• Prominences occur when plasma is pulled out of the surface of the sun through one sunspot and loops back into another

• Sunspots occur when a prominence breaks

• Solar flares can ONLY occur when a prominence breaks

A prominence forms when plasma is pulled out of a sunspot and loops back into another. When these prominences break, they can cause...

• A supernova.

• A solar flare.

• More prominences to occur in the same area.

• Another sunspot.

The main difference between a comet (dirty snowball) and an asteroid is...

• What they are made of

• Their size

• The speed they travel

• Where they are located

Tags

NGSS.MS-PS1-1

The main difference between a meteoroid and an asteroid is...

• What they are made of

• Their size

• The speed they travel

• Where they are located

The main difference between a meteor (shooting star) and a comet is...

• What they are made of

• Their size

• The speed they travel

• Where they are located

The main difference between meteroids, meteors and meteorites is...

• What they are made of

• Their size

• The speed they travel

• Where they are located

Which of the following astronomers was the first to propose a geocentric model of the Solar System?

• Eudoxus

• Tycho Brahe

• Aristotle

• Ptolemy

Aristotle proposed that the reason other astronomers could not accurately predict the location of planets is because the orbits

• had to be perfect circles

• were elliptical

• sped up and slowed down at different times

• had series of smaller orbits within orbits called epicycles