Solar system overview

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planet

An object that orbits a star (sun), is large enough to have become rounded by its own gravity, and has cleared the area of its orbit.

dwarf planet

An object that orbits the sun and is spherical, but has not cleared the area of its orbit.

gas giants

Jupiter, Saturn, Uranus, Neptune

All gas giants have _________ around them.

Rings

Minor Bodies

Smallest objects of the solar system

Most of the mass in our solar system is contained in __________.

Sun

Astronomical Unit (AU)

the average distance between the earth and the sun

light year

the distance light travels in one year

How many draft planets do we have in our solar system?

5 dwarf planets

How many planets are in our solar system?

8 planets

Most of our solar system is ___________.

Empty space note: all of the solar system depictions are not drawn to scale

Gas giants are planets that are ____________ ____________ from the sun.

Further away

The 2 planets closest to the sun are extremely __________ and the plants on the right side of the earth is extremely ________.

Hot, cold

Why are moons not considered planets?

They orbit a plant and not the sun.

What are the 2 planets that Earths is sandwiched between?

Venus and Mars

Venus has a ___ atmosphere, which is mainly (>95%) made up of ___________.

thick, CO2

About how many moons does our solar system have?

~170 moons


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