Astronomy

Planet Earth is part of _______solar system?

• one star (sun)

• many solar systems

What is the name of our Galaxy?

• Milky Way

• Mars

Our galaxy is part of which group of Galaxies?

• Local

• Distant

Our galaxy is one of ______ in the known universe.

• trillions

• thousands

The Local Group (local neighborhood of galaxies) is part of ____________.

• Virgo Supercluster

• Milky Way

What is the Big Bang Theory?

• The rapid expansion of space and time that marked the creation of our universe.

• The ending of our universe.

What shape is the earth?

• oblate spheroid

• circle

What does the shape of the earth actually do to earth?

• It's squished at the poles which causes bulges at the equator (center).

• It's flat at the poles which causes earth to be flat.

How many degrees is the tilt of the earth's axis?

• 23.5 degrees from vertical

• 360 degrees from vertical

What is the cause of different seasons?

• The months of the year cause the different season.

• Seasons are caused by the tilt of the earth and earth's position in orbit around the sun (revolution).