Space Stars and Galaxies Solar System Grab Bag Planets Eleanor M. Savko FJ Stars and Galaxies Solar System 4/21/2019 Grab Bag Planets 1 pt 1 pt 1 pt 1 pt 1 pt 2 pt 2 pt 2 pt 2 pt 2 pt 3 pt 3 pt 3 pt 3 pt 3 pt 4 pt 4 pt 4 pt 4 pt 4 pt 5 pt 5 pt 5 pt 5 pt 5 pt

How many stars are in our Solar System?

1---our Sun!

The sun appears to be the brightest star in the sky because it is the _________ to the earth.

Closest

How many planets revolve around the sun?

8 planets

Is our Sun going to shine forever?

No, it will eventually die.

How long does it take sunlight to reach Earth?

8 minutes

This is the galaxy that contains Earth

Milky Way Galaxy

Why do scientists believe water was once on Mars?

There are signs of water erosion: dry river beds

What is the main feature scientists would look for in a planet that could contain life?

Water

The three types of galaxies include what?

Spiral, Elliptical, and Irregular

Where is the only place in space humans have visited?

The Moon (Luna)

Earth-like planets are known as what?

Terrestrial Planets

Large chuck of ice, dust, gasses, and rock that orbit the sun

Comet

A body of matter that travels around the sun

Planet

The larger planets in the solar system are composed primarily of what?

Gases

Name the eight planets in order from the sun starting with the closest to the sun

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

Distances in space are measured in what?

Light-Years

About how old is the universe?

13.7 billion years old

This place is known as the birth place of a comet

Oort Cloud

He was the first scientist to hypothesize that planets orbit the sun

Copernicus

Which planet has a thick atmosphere?

Venus

This planet is known as Earth’s “twin” or “sister” planet

Venus

Which planet is called the “Red Planet”

Mars

This is the second largest and lightest planet in the solar system

Saturn

What is Jupiter’s “Great Red Spot?”

A Storm

Which layer of Earth is the most dense causing the gravitational pull?

The Core