Our Solar System By Tristan A. There are eight planets in our solar system. There are at least four dwarf planets in our solar system. There are 566,000 asteroids in our solar system.

Sun The sun is the only star in our solar system. The sun is made of gas. Over one million Earth's could fit inside the Sun.

Mercury Mercury is the closest planet to the sun. A year on Mercury is just 88 days long. Mercury is the smallest planet in the Solar System.

Venus Venus is the second planet from the sun. Venus is the brightest planet in the Solar System and can be seen even in daylight if you know where to look. When Venus is west of the Sun, she rises before the Sun in the morning and is known as the Morning Star. When she is east of the Sun, she shines in the evening just after sunset and is known as the Evening Star.

Earth Earth is the 3rd planet from the sun. Earth is the only planet that can sustain life. The Earth is unlike every other planet in the Solar System in a number of different ways.

Mars Mars is the 4th planet from the sun. Mars is not much farther from the Sun than Earth. As a result, year on Mars is 1 year and 687 days.

Ceres Located in the asteroid belt between the orbits of Mars and Jupiter, Ceres is the closest dwarf planet to the Sun and the only one located in the inner solar system. It's the smallest of the known dwarf planets at 950 km (590 mi) in diameter On Friday morning (March 6), NASA's Dawn spacecraft will arrive at Ceres, becoming the first probe ever to orbit a dwarf planet.

The Asteroid Belt It separates the rocky planets from the gas and liquid planets. The asteroid belt was first discovered in 1801. Many astronomers knew about planets and moons. But, this was something completely new.

Jupiter Jupiter is two and a half times more massive than all the other planets in the solar system combined. Jupiter is the 5th planet from the sun. Jupiter has a diameter of 88,700 miles, or 142,750 kilometres.

Saturn Saturn is the planet with rings. Saturn is the 6th planet from the sun. Saturn is the sixth planet in the Solar system and, when seen through a telescope, by far the most beautiful.

Uranus Uranus is the sideways planet. It’s the 7th planet from the sun. Uranus cannot be seen from the Earth without a telescope.

Neptune Neptune is the 9th planet from the sun. The discovery of the planet Neptune was one of the most exciting discoveries in astronomy. Neptune cannot be seen without a large telescope and was first seen in 1846 from the observatory in Berlin.

Pluto Pluto is a dwarf planet. Pluto was first seen by use of a telescope in 1930.  Like Uranus and Neptune, Pluto can not be seen by the naked eye and its existence was not known to the ancient world. Pluto was reclassified from a planet to a dwarf planet in 2006.

Makemake Makemake is the largest of the Kuiper belt objects and the only one without any moon. The extremely low temperature of the dwarf planet, about 30 K or −243.2 °C, means that the surface of Makemake is covered with methane, ethane, and possibly nitrogen ices.

Kuiper belt The ices are frozen volatiles that are made up of methane, nitrogen, ammonia and water. At least three dwarf planets are located in the Kuiper belt: Pluto, Haumea and Makemake. Also, some of the solar system's moons are thought to have originated there, such as Neptune's Triton and Saturn's Phoebe.

Eris Eris has one moon which is called Dysnomia and takes 16 Earth days to complete a full orbit. Eris is the furthest dwarf planet from the Sun, and is also the most massive currently recognized dwarf planet. Eris is located beyond the orbit of Neptune and beyond the Kuiper belt in a region known as the "scattered disc".

Black Whole Black holes are both strange and amazing, and the study of them has kept scientists busy and excited for the past century. They are an area of space that nothing can escape from once it has entered it—not even light. The ability to absorb all light around them and the way they reflect none of it is why they are referred to as “black.”

Comets Sometimes comets are referred to as “dirty snowballs” or “cosmic snowballs”. Comets orbit the Sun in elliptical paths – just like the planets. A comet has four components: a nucleus, a coma, a dust tail and an ion tail.

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