Mod H U2 Test Review

Why did people believe in the Geocentric vs the Heliocentric solar system?

What has a nearly round body, slightly smaller than a planet, and whose orbit crosses the orbit of another body.

Who proposed this model?

The table shows events that led to the current theory that the sun is the center of the solar system. What order is true

Which of the following is the largest?

What are the three things that can be left behind after a stars dies?

Which of the following is an accurate description of how the Sun, Earth, and Moon move?

Where in the solar system are most gases found, other than the sun?

Added epicycles (small circles within larger circles) to the geocentric model; made it more accurate (it was wrong)

What is a light year?

How do the planets stay in orbit around the sun?

The center of the solar system is a

What is located between Jupiter and Mars?

Which statement describes one difference in our solar system's inner planets and outer planets due to gravity effects?

What is the biggest difference between the Geocentric Model and the Heliocentric Model?

The average distance between the earth and the sun.

Which two planets do not have moons?

What is parallax?

Huge clouds of dust and gas are called

A galaxy which is either spherical (ball like) or a flattened disk is a...galaxy

What are the outer planets?

Early astronomers noticed that some stars in the sky appeared to move together across the sky as constellations. Explain

The apparent westward motion of the planets with respect to the stars

Earth has 1, Jupiter has more than 60...

Which stages involve the collision and clumping of matter in the nubula?

I am a small rocky body orbiting the sun, ranging from the size of a small house to dust particles. What am I?

When a new star (contracts or expands), it begins to (slow down or spin). Which two words make the sentence true?

What are the inner planets?

What evidence supporting the nebular hypothesis is shown?

A cloud of gas and dust that looks like dark luminous matter.

Which statement summarizes how the formation of the solar system was similar to the separation of Earth into layers?

The model presents a (heliocentric/geocentric) model of the solar system in which all objects orbit (Earth/the sun).

Why are there two different types of planets in the solar system?

Why do other stars appear so much smaller than the sun?

Dwarf planets are smaller than planets. What is another way that dwarf planets are different?

What aspects of the solar system are explained by Laplace's hypothesis of how the solar system formed? All that apply.

How can the phases of Venus provide evidence to support a specific model of the solar system?

What two planets are closest to the asteroid belt?

A collection of hundereds of stars around a common center is called a:

Why are all the planets round in the solar system?

What is the name of this model?

What factor causes one planet to have more gravity than other planets?

Is this model to scale regarding the sizes of the planets and distances between them? Why or Why not?

Which of the following observations support Aristotle's geocentric model? All that apply.

Select the order from smallest to largest

Based on the model, why are Ceres and Pluto classified as dwarf planets rather than planets?

The objects which are made of ice, gas, and dust and orbit our sun are called...

Which direction do all of the planets go around the sun?

A sprial galaxy of stars that contains our Sun

As a result, the surrounding dust and gases compress into a (sphere or disk). Which word makes the sentence true?

According to Galileo, what is at the center of the solar system?

The astronomical model in which the Earth and planets revolve around the Sun at the center of the Solar System.

 Less massive stars turn into ___ when they die?

Which statement disagrees with Laplace's hypothesis?

Gravity is the force objects put on each other because of their...

Which of the following correctly places these in order from LARGEST to SMALLEST?

Which of these are comets composed of?

Which of these is most likely the next stage after the one shown in the illustration?

What object has an irregular shape, orbits the sun in a highly elliptical orbit, and made of ice and rock?

Which sequence below is correct for the life cycle of a star?

Do all planets have moons?