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The SunStars andGalaxies

PlanetsGrab BagSolar

System

FJ

These are a cooler, dark areas on the sun’s surface

Sunspots

The sun appears to be the brightest star in the sky

because it is the _________ to the earth.

Closest

Solar fusion appears in the ___________ of the sun.

Core

From the sun’s yellow color, you can infer that it is of

average __________

Temperature

The Hertzsprung-Russel diagram shows the sun is this

G5 star

This is the galaxy that contains earth

Milky Way

These are the colors of the hottest and coldest stars

Hottest: bluish-whiteColdest: red

A stars brightness is related to its distance and its

________

Temperature

The three types of galaxies include what?

Spiral, Elliptical, and

Irregular

The amount of light received on earth from a star

Apparent Brightness

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?

Gasses

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

Mercury, Venus, Earth, Mars, Jupiter, Saturn,

Uranus, Neptune, Pluto

Distances in space are measured in what?

Light Years

Solar energy is produced in what process?

Fusion

This is known as the birth place of a comet

Oort Cloud

He was the first scientist to hypothesize that planets orbit

the sun

Copernicus

To what do some scientist accredit global warming?

Greenhouse Effect

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

planet

Venus

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

What is the name of Pluto’s moon?

Charon

What is the term used to describe the distance from

the sun to the earth? (93,000,000 miles)

DistancesAstronomical Unit

(1 AU)