Solar System

Front

What are dwarf planets?

Back

Dwarf planets are similar to planets but are not large enough to have cleared their orbital region of other objects.

Front

What are the rocky planets in our solar system?

Back

Mercury, Venus, Earth, and Mars are known as rocky planets.

Front

What makes up about 99.85% of the mass of the solar system?

Back

The Sun makes up about 99.85% of the mass of the solar system.

Front

Which planet does not have any moons or rings?

Back

Mercury does not have any moons or rings.

Front

What is the Oort Cloud?

Back

The Oort Cloud exists much further out than the Kuiper Belt and is at the very edge of the Solar System, believed to be made up of thousands of small ice objects.

Front

What is the Kuiper Belt?

Back

The Kuiper Belt is a region of the solar system beyond the orbit of Neptune, filled with small icy bodies and dwarf planets.

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What are comets?

Back

Comets are small celestial bodies made of ice, dust, and rocky material that develop a glowing coma and tail when they approach the Sun.

Front

What is the asteroid belt?

Back

The asteroid belt is a region between the orbits of Mars and Jupiter where many small rocky bodies, called asteroids, are found.

Front

What are gaseous planets?

Back

Gaseous planets, also known as gas giants, are large planets that are primarily composed of hydrogen and helium, such as Jupiter and Saturn.

Front

What is the difference between terrestrial and gas giant planets?

Back

Terrestrial planets are rocky and solid (like Earth), while gas giants are mostly made of gases and lack a solid surface.