The Moon (Earth), Ganymede, Europa, and Callisto (Jupiter), Rhea, Dione, and Enceladus (Saturn), and Titania (Uranus)
Which moons have atmosphers?
100
Milky way
We live in the _________________________ galaxy
A.Milky Spiral
B.Milky Way
C.Snickers
D.Solar Swirl
100
15 billion years ago
How old is the universe
100
Grey
what color is the planet mercury?
200
Stars are pured by fusion they dont burn but the anwser is hydrogen
Stars primarily burn what element as fuel?
200
8 planets 5 dwarf planets
Now that Pluto is no longer included, how many planets are there in the Solar System?
200
100 billion stars
How many stars are in our galaxy.
200
it has no center
What is the center of the universe
200
All the giant planets: Jupiter saturn uranus and neptune
Which planets have rings?
300
A binary star or double star
What is the name of a system in which two stars orbit one another?
300
Saturn
The moon Titan orbits what planet?
300
solar system, universe, galaxy
What is the correct order of the objects from smallest to largest?
A.solar system, universe, galaxy
B.galaxy, universe, solar system
C.solar system. galaxy, universe
D.universe, galaxy, solar system
300
2-3%
what fraction of the universe is ordinary matterlike hydrogen and helium?
300
Stars twinkle because of turbulence in the atmosphere of the Earth.
why do stars twinkle?
400
The Sun
What is the closest star to our earth?
400
Venus
What is the brightest planet in the night sky?
400
Shapes
What are galaxies catagorized by?
400
100 billion
How many stars are in a typical galaxy
400
1,000,000 (1 million) Earths would fit into the Sun!
How many earths fit in the sun?
500
Star cluster
What is the name of a groups of up to about 1,000 stars?
500
Mars
Phobos and Deimos are moons of what planet?
500
an elliptical galaxy
The galaxy where few new stars are formed because of a lack of free gas is....
500
Edwin hubble
The expansion of the universe was dicovered by looking at the stars who made this discovery?