Astronomy Review Physics 2022

Front

What do the Earth, Moon, and Saturn have in common?

Back

They all revolve in elliptical orbital paths around the Sun due to gravity.

Front

Who was the first "modern" European to publish a heliocentric theory?

Back

Copernicus.

Front

How does the Moon's gravity cause the rise and fall of Earth's ocean levels?

Back

The Moon's gravitational force "pulls" on the oceans (mutual attraction).

Front

Which ancient culture was the first to figure out planetary gravity?

Back

Indian.

Front

Even though it is not closest to the sun, this planet is the hottest in the solar system.

Back

Venus.

Front

What is the shape of the orbits of planets around the Sun?

Back

Elliptical.

Front

What is the primary force that keeps planets in orbit around the Sun?

Back

Gravity.

Front

What is the difference between geocentric and heliocentric models of the solar system?

Back

Geocentric models place the Earth at the center, while heliocentric models place the Sun at the center.

Front

What phenomenon causes the phases of the Moon?

Back

The relative positions of the Earth, Moon, and Sun.

Front

What is the significance of Kepler's laws of planetary motion?

Back

They describe the motion of planets in elliptical orbits and the relationship between their orbital periods and distances from the Sun.