Astronomy

Front

Which of the following is best shown in the picture? Earth's revolution, A month on Earth, A year on Earth, Earth's rotation

Back

Earth's rotation

Front

Which of the following do the blue arrows represent in the picture? A day on Earth, Earth's rotation around the Sun, Earth's revolution around the Sun, A month on Earth

Back

Earth's revolution around the Sun

Front

Which of the following amounts of time has gone by when the Moon makes 1 revolution around the Earth? 1 month on Earth, 1 year on Earth, 1 day on Earth, 1 week on Earth

Back

1 month on Earth

Front

What type of orbit does the Earth have?  This was proven by astronomer Johannes Kepler.

Back

An elliptical orbit around the Sun.

Front

Day and night are caused by _______________.

Back

Earth's rotation

Front

Earth revolves around ________, because it has the __________ in the solar system.

Back

the sun; most gravitational force

Front

_______________ Law of Universal Gravitation says that all objects in the universe have a gravitational force.  This force of gravity depends on __________________.

Back

Newton; mass and distance

Front

List the following items from smallest to largest: universe, solar system, galaxy.

Back

solar system, galaxy, universe

Front

What benefit do we get from having a moon?

Back

controls our tides

Front

The Nebular Theory explains how the _________ was created

Back

Solar System