How many true planets are in the solar system?

• 5

• 8

• 9

• 7

This branch of Earth science deals with celestial objects, space, and the entire universe.

• Geology

• Meteorology

• Astronomy

• Microbiology

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

What is the name for the 8 true planets, their moons, and all other celestial bodies that are all stuck orbiting around our sun?

• Universe

• Galaxy

• Solar System

• Nebula

What is the name for the idea that our solar system was created when a clouds of dust and gas collapsed and condensed to form our sun all planets in our solar system?

• Nebular theory

• Big Bang Theory

• Cosmic Microwave Background

• Ancient Aliens

Which astronomer was the first to propose the idea that the sun was at the center of the solar system and not the Earth in 1543?

• Galileo Galilei

• Albert Einstein

• Nicolaus Copernicus

• Johannes Kepler

• Donald J. Trump

Which astronomer studied the movements of planets and their speeds as the travel around the sun?

• Galileo Galilei

• Albert Einstein

• Nicolaus Copernicus

• Johannes Kepler

• Bill Clinton

Which astronomer studied Jupiter and Saturn with a telescope and discovered 4 of Jupiter's 95 moons in the year 1610?

• Galileo Galilei

• Albert Einstein

• Nicolaus Copernicus

• Johannes Kepler

• Joe Biden

A celestial body orbiting a star that is massive enough to be rounded by its own gravity and moves in an elliptical orbit around a star is called what?

• Planet

• moon

• comet

• asteroid

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is the name given to the first four, smaller, rocky planets of the solar system?

• gas giants

• inner planets

• outer planets

• red dwarfs

What is the name given to the last four, larger, gassy planets of the solar system?

• rock giants

• inner planets

• outer planets

• red dwarfs