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discuss the following 1) orion 2) cassipeia 3) sun 4) all the planets 5) asteroids 6) meteors 7) comets 8) artificial satellite

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Orion
Orion is a prominent constellation located on the celestial equator and visible throughout the world. It is one of the most conspicuous and recognizable constellations in the night sky.
 
Cassiopeia
Cassiopeia is a constellation in the northern sky, named after the vain queen Cassiopeia in Greek mythology, who boasted about her unrivaled beauty. Cassiopeia was one of the 48 constellations listed by the 2nd-century Greek astronomer Ptolemy, and it remains one of the 88 modern constellations today.
 
Sun
The Sun is the star at the center of the Solar System. It is a nearly perfect sphere of hot plasma, with internal convective motion that generates a magnetic field via a dynamo process. It is by far the most important source of energy for life on Earth.
 
The 8 Planets in Our Solar System
 
Mercury
The smallest and fastest planet, Mercury is the closest planet to the Sun and whips around it every 88 Earth days.
 
Venus
Spinning in the opposite direction to most planets, Venus is the hottest planet, and one of the brightest objects in the sky.
 
Earth
The place we call home, Earth is the third rock from the sun and the only planet with known life on it – and lots of it too!
 
Mars
The red planet is dusty, cold world with a thin atmosphere and is home to four NASA robots.
 
Jupiter
Jupiter is a massive planet, twice the size of all other planets combined and has a centuries-old storm that is bigger than Earth.
 
Saturn
The most recognizable planet with a system of icy rings, Saturn is a very unique and interesting planet.
 
Uranus
Uranus has a very unique rotation–it spins on its side at an almost 90-degree angle, unlike other planets.
 
Neptune
Neptune is now the most distant planet and is a cold and dark world nearly 3 billion miles from sun
 
Comets
Comets are snowballs made up of frozen gas, rock, and dust that orbit the Sun. As they get closer to the Sun, they heat up and leave a trail of glowing dust and gases.
 
Asteroids
Asteroids are small, rocky, debris left over from the formation of our solar system around 4.6 billion years ago. There are currently over 822,000 known asteroids
 
Meteors
Meteors, also known as shooting stars, are pieces of dust and debris from space that burn up in Earth's atmosphere, where they can create bright streaks across the night sky. When Earth passes through the dusty trail of a comet or asteroid's orbit, the many streaks of light in the sky are known as  meteor showers.
 
Artificial satellite
An artificial satellite is an object that people have made and launched into orbit using rockets. There are currently over a thousand active satellites orbiting the Earth. The size, altitude and design of a satellite depend on its purpose.

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1) Orion is a prominent constellation located on the celestial equator and visible throughout the world. It is named after a hunter in Greek mythology.
2) Cassiopeia is a constellation in the northern sky, named after the vain queen Cassiopeia in Greek mythology. It is one of the 88 modern constellations. 
3) The sun is the closest start to our planet and is the primary and almost only source of heat and light on Earth. Inside, H2 atoms are smashed together (nuclear fusion) to form helium.  This nuclear reaction releases huge amounts of energy in the form of solar radiation.
4) The planets in our solar system revolve around the sun, and consist of about 2% the total matter of out solar system. The planets do not have light of their own and receive light from the sun. They are also known as wanderers and there are exactly 8 of them, listed by distance from the sun
  • Mercury
  • Venus
  • Earth
  • Mars
  • Jupiter
  • Saturn
  • Uranus 
  • Neptune
5) Asteroids are pieces of rock that are mainly present between Mars and Jupiter in the "Asteroid Belt". They may enter the atmospheres of planets and crash into their surface if not burnt by the planets' atmospheres. 
6) Meteors of asteroids that enter a planet's atmosphere and burns up due to the heat cause by friction while it falls. If the atmosphere fails to burn i.e. it crashes onto the surface it up, the rock is termed a meteorite.
7) A comet is an icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process called outgassing.
8) Artificial satellites are machines that are sent into orbit of a planet or star to collect data, navigate ect. They are usually made of orbit Earth for purposes of navigation, transfer of data, internet connections etc.  Artificial satellites, when sent to orbit of another planet/ sattellite/ star is to collect data about that body.
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