Stars
Inner planets
Gas giants
Moons
Bonus
100
What is the biggest star?
The Sun
100
How many inner planets are there?
There are 4 inner planets.
100
What are gas giants composed of?
A gas giant is a giant planet composed mainly of hydrogen and helium.
100
How many moons are there?
176 moons
100
how big is the solar system?
Our Solar System extends much, much farther than where the planets are. The furthest dwarf planet, Eris, orbits within just a fraction of the larger Solar System. The Kuiper Belt, where we find a Pluto, Eris, Makemake and Haumea, extends from 30 astronomical units all the way out to 50 AU, or 7.5 billion kilometers.
200
What is a star?
A star is a luminous sphere of plasma held together by its own gravity.
200
What are the inner planets
1)Earth 2)Venus 3)Murcury 4)Mars?
200
What are the gas giants?
Jupiter, Saturn, Uranus, Neptune are the Solar System's gas giants.
200
when was the moon created?
4.5 billion years ago
200
How many planets are there? ( including dwarfs planets )
14 planets
300
What is the closest star to the earth?
The nearest star to Earth is the Sun.
300
What are the inner planets made of?
The four terrestrial or inner planets have dense, rocky compositions, few or no moons, and no ring systems.
300
Why are the called gas giants?
the term "gas giant" was originally synonymous with "giant planet".
300
how big is the moon?
1,076 miles
300
Why shouldn't Pluto be a planet?
Pluto is a dwarf planet. Pluto is not a planet because of its small size.
400
What is smallest star?
2MASS J0523-1403 is the smallest known star undergoing nuclear fusion in its core.
400
What do the inner planets include?
The inner Solar System is the region comprising the terrestrial planets and the asteroid belt.
400
What do gas giants contain?
Jupiter and Saturn consist mostly of hydrogen and helium, with heavier elements making up between 3 and 13 percent of the mass.[1] They are thought to consist of an outer layer of molecular hydrogen surrounding a layer of liquid metallic hydrogen, with probably a molten rocky core.
400
What is the moon created of?
debris
400
What is the closest planet to the Sun?
Mercury
500
Why do stars shine ?
The production of energy at the core is the reason stars shine so brightly: every time two or more atomic nuclei fuse together to form a single atomic nucleus of a new heavier element, gamma ray photons are released from the nuclear fusion product.
500
What is the biggest inner planet?
The Earth
500
Free points
Free 500 points ( for person who picked )
500
why is the moon gray?
The only reason it appears white to us on Earth is because when the sun is behind us, the reflection from the sun lights the moon up. But what makes it GRAY is the rocks & dust found on the moon. The moon is like one giant asteroid floating around Earth, made completely of rocks.
500
What is the hottest planet in our solar system?
Venus
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