BJU Earth Science Chapter 23-by Isaac and Friends

According to Newton, the force that keeps the planets in orbit is:

This model of the universe places the Sun in the center, and everything orbits it.

Earth's density is greater than Jupiter's

What is a characteristic of a dwarf planet?

Many scientists believe that large amounts of water caused rapid erosion on Mars.

Jupiter and Saturn have rings and moons, while Uranus and Neptune do not

What is not a characteristic of a planet

Observers noticed that planets can slow down, stop moving, then go backward. This is called:

Does water guarantee life?

The glowing gases in the tail of a comet are called:

Pluto and various other objects beyond Neptune that orbit the Sun make up an area called:

Comets that appear at regular time intervals are called:

Copernicus's data was collected into a book.

This philosopher and astronomer tried to correct the Geocentric Model.

Which person set three laws of planetary motion?

This model claims that the Earth is at the center of the universe, and everything orbits it.

Pluto is one of four discovered solar system dwarf planets

Mercury is the hottest planet in the solar system

What is the correct order?

Asteroids are:

This person created a new model with which to organize the universe.

The kuiper belt holds many:

There are two "families" of asteroids know as:

Mercury and Venus are known as:

Pluto sometimes be closer to the Sun than _______ before going back to its original orbit

Is Jupiter tilted on its axis?

Who built an observatory to find "Planet X"?

These people were some the only people who found the corrections useful.

The terrestrial planets are:

Ceres is an asteroid

Bonus Question: The Tunguska Event may have had an impact of a what megaton bomb?