2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt The Sun Stars and Galaxies PlanetsGrab Bag Solar System FJ
These are a cooler, dark areas on the suns 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 suns 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-white Coldest: 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 Earths twin or sister planet
Venus
The Red Planet
Mars
This is the second largest and lightest planet in the solar system
Saturn
What is Jupiters Great Red Spot?
A Storm
What is the name of Plutos moon?
Charon
What is the term used to describe the distance from the sun to the earth? (93,000,000 miles) Distances Astronomical Unit (1 AU)