It is the hottest star. All the planets rotate It is the hottest star. All the planets rotate around the sun. Years ago people around the sun. Years ago people thought that all of the planets, including thought that all of the planets, including the sun, revolved around the Earth. the sun, revolved around the Earth.

Astronomers once thought that planetary Astronomers once thought that planetary orbits were circular and that the sun was orbits were circular and that the sun was in the center. Kepler showed that the in the center. Kepler showed that the orbits are elliptical. The sun is not at the orbits are elliptical. The sun is not at the center but slightly to one side.center but slightly to one side.

Mercury is the planet Mercury is the planet closest to the sun. closest to the sun. The surface is rocky The surface is rocky with craters. In sunlit with craters. In sunlit areas the surface is areas the surface is hot enough to melt hot enough to melt lead. It is one of the lead. It is one of the inner planets.inner planets.

The diameter is about 3,031 miles. There The diameter is about 3,031 miles. There could be no life on this planet because it could be no life on this planet because it is to hot. Mercury does not have any is to hot. Mercury does not have any moons. Mercury is 58 million km from the moons. Mercury is 58 million km from the sun.sun.

Venus doesn’t have Venus doesn’t have any moons. Venus’ any moons. Venus’ surface is rocky. An surface is rocky. An interesting fact about interesting fact about Venus is that it Venus is that it rotates backward rotates backward compared with other compared with other planets.planets.

Venus’ diameter is about 7,519 miles. Venus’ diameter is about 7,519 miles. The atmosphere of Venus is thick, mostly The atmosphere of Venus is thick, mostly carbon dioxide and nitrogen, heavy carbon dioxide and nitrogen, heavy enough to crush humans.enough to crush humans.

Earth is the only Earth is the only planet with life. The planet with life. The surface is mostly surface is mostly water, with areas of water, with areas of soil-covered rock. soil-covered rock. The atmosphere is The atmosphere is mostly nitrogen and mostly nitrogen and oxygen.oxygen.

Earth’s diameter is Earth’s diameter is about 7,926 miles. about 7,926 miles. Earth’s distance from Earth’s distance from the sun is 150 million the sun is 150 million km from the sun. km from the sun. Earth is one of the Earth is one of the inner planets.inner planets.

Earth tilts on its axis.Earth tilts on its axis.

Mars’ surface is Mars’ surface is rocky and covered rocky and covered with dust.with dust.

Mars has the solar Mars has the solar system’s largest system’s largest volcano, Olympus volcano, Olympus Mons, whose base is Mons, whose base is larger than the state larger than the state of New Mexico.of New Mexico.

Mars diameter is about Mars diameter is about 4,217 miles. The 4,217 miles. The atmosphere is mostly atmosphere is mostly carbon dioxide. carbon dioxide. Scientists use a tiny Scientists use a tiny remote-controlled remote-controlled vehicle called a vehicle called a rover. The distance rover. The distance from the sun is 228 from the sun is 228 million km.million km.

Jupiter is 778 million Jupiter is 778 million km from the sun.km from the sun.

Jupiter has a ring Jupiter has a ring around it.around it.

It is one of the gas It is one of the gas planets. planets.

It is mostly hydrogen It is mostly hydrogen and helium.and helium.

Jupiter’s diameter is Jupiter’s diameter is about 4,217 miles. about 4,217 miles.

The Great Red Spot The Great Red Spot on Jupiter is a huge on Jupiter is a huge storm that has lasted storm that has lasted at least since the at least since the time of Galileo.time of Galileo.

Saturn is the 6Saturn is the 6thth planet. planet. Saturn’s diameter is Saturn’s diameter is

about 74,900 miles.about 74,900 miles. Its distance from the Its distance from the

sun is 1,424 km. sun is 1,424 km. Its atmosphere is Its atmosphere is

mostly hydrogen and mostly hydrogen and helium. helium.

An interesting fact An interesting fact about Saturn is that it about Saturn is that it has a wide, thin has a wide, thin system of rings made system of rings made of small pieces of of small pieces of rock and ice.rock and ice.

Saturn’s surface is Saturn’s surface is gaseous with no gaseous with no known solid surface.known solid surface.

Uranus’ diameter is Uranus’ diameter is about 31,758 miles.about 31,758 miles.

Its’ distance from the Its’ distance from the sun is 2,867 million.sun is 2,867 million.

Uranus has 17 Uranus has 17 moons.moons.

Uranus’ atmosphere Uranus’ atmosphere is mainly hydrogen is mainly hydrogen and helium. and helium.

The surface of The surface of Uranus is gaseous Uranus is gaseous with no known solid with no known solid surface. An surface. An interesting fact about interesting fact about Uranus is A possible Uranus is A possible collision with an collision with an Earth-sized object Earth-sized object may have knocked may have knocked Uranus on its side.Uranus on its side.

Neptune’s diameter Neptune’s diameter is about 30,782 is about 30,782 miles. miles.

The distance from The distance from the sun is 4,488 the sun is 4,488 million km.million km.

Neptune has 8 Neptune has 8 moons.moons.

The surface of The surface of Neptune is gaseous Neptune is gaseous with no known solid with no known solid surface. surface.

The atmosphere is The atmosphere is mostly hydrogen, mostly hydrogen, helium, and helium, and methane. methane.

Pluto’s diameter is about Pluto’s diameter is about 1,460 miles.1,460 miles.

The distance from the The distance from the sun is about 5,909 sun is about 5,909 million km.million km.

An interesting fact about An interesting fact about Pluto is that it is the ninth Pluto is that it is the ninth planet, but part of its planet, but part of its orbit is inside the orbit of orbit is inside the orbit of Neptune making Pluto Neptune making Pluto the 8the 8thth planet. planet.

Pluto’s surface is Pluto’s surface is water and methane water and methane ice.ice.

The atmosphere is The atmosphere is mostly methane.mostly methane.

Pluto has one moon.Pluto has one moon. Pluto is the smallest Pluto is the smallest

planet.planet.

There are nine There are nine planets in the Solar planets in the Solar System. System.

These are the These are the planets in order, planets in order, Mercury, Venus, Mercury, Venus, Earth, Mars, Jupiter, Earth, Mars, Jupiter, Saturn, Uranus, Saturn, Uranus, Neptune, and Pluto.Neptune, and Pluto.

That is the end of our show.That is the end of our show.