Astronomy Fall Semester Final Review

Front

What direction do the Sun, Moon, planets, and stars rise and set?

Back

They rise in the East and set in the West.

Front

Does astronomy have connections with other branches of science?

Back

No, astronomy has connections with physics, chemistry, and geology.

Front

What does 9.46x10^12 km represent?

Back

1 Light-Year.

Front

Describe the movement of the Earth, Moon, and Sun.

Back

The Moon revolves around the Earth, and the Earth revolves around the Sun.

Front

If the universe's age were a calendar of 12 months, when would humans appear?

Back

In December.

Front

What is an Astronomical Unit (AU)?

Back

The average distance from the Earth to the Sun, approximately 93 million miles.

Front

What is the primary source of light and heat for the Earth?

Back

The Sun.

Front

What is a galaxy?

Back

A massive system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity.

Front

What is the difference between a planet and a star?

Back

A planet orbits a star and does not produce its own light, while a star generates light and heat through nuclear fusion.

Front

What is the Milky Way?

Back

The galaxy that contains our Solar System.