Introduction The milky way is a member of galaxies called the local group and it contains our solar system. It has over 200 billion stars and is so big that even at the speed of light it would take over 100,000 years to cross it. The planets and stars we can see from earth are … Read more

Introduction Space travel and exploration has been carried out for many years and continues to evolve with the aid of human space fight, robotic probes and telescopes. We continue to explore the universe and maybe someday we will find other life in it but to date Earth is the only planet known to be habitable … Read more

Introduction Dwarf planets are similar to normal planets in that they are round in shape and orbit the sun but unlike planets they are unable to clear their orbital path. Dwarf planets are also smaller than normal planets. There are five official Dwarf planets, Ceres, Pluto, Haumea, Makemake and Eris. The most famous of these … Read more

Introduction Our solar system is approximately 4.6 billion years old and is made up of planets, dwarf planets, moons and other astronomical objects that all orbit the sun. It was formed by a gravitational collapse of a giant molecular cloud. In the middle of our solar system there is the sun which takes up a … Read more

Introduction There are eight main planets in our Solar system. The word planet come from the ancient Greeks and means wandering star. The eight planets starting from the sun are, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. The four planets closest to the sun are the inner planets, they are mainly made up of mainly of rock and are much denser than … Read more

Introduction Neptune is the most distant planet in our solar system located 4.5 billion Km from the Sun.  Named after the God of the Sea, Neptune is the fourth largest Planet and like the other Gas Giants is made up mostly of hydrogen, helium and methane. Neptune was not known about for many centuries due … Read more

Introduction Uranus named after the Greek god of the sky is the seventh planet from the sun and the third largest in our solar system. Known mainly as one of the Gas Giants due to its atmosphere of mainly hydrogen, helium and methane, Uranus is also called an Ice Giant as 80% or more if … Read more

Introduction Saturn is the sixth planet from the sun and is the second largest after Jupiter. Also known as one of the Gas Giants Saturn does not have a solid surface.  Its atmosphere is made up of predominantly hydrogen and helium.  This planet was named after the Roman God of agriculture. Like all the Gas … Read more

Introduction Jupiter is the largest planet in our solar system with a diameter of 139,822 km. Named after the King of gods it is the 5th planet from the sun and the first of the Gas Giants. Jupiter is made up mainly of gas (90% hydrogen & 10% helium) meaning it does not have a … Read more

Introduction Mars is the fourth planet from the sun it is also known as the Red Planet due to its red dusty landscape. Named after the Roman god of war Mars is the last one of the inner planets.  It has two moons and takes 24 hours and 37 minutes to spin once on its … Read more