Solar System
The Solar System formed around 4.6 billion years ago.
Some of the fastest meteoroids can travel through the solar system at a speed of around 42 kilometres per second (26 miles per second).
The first man made object sent into space was in 1957 when the Russian satellite named Sputnik was launched.
Do you know that the Sun is over 300000 times larger than our earth. It doesn’t look that when see from our eyes , right 🙂
Planets
Venus is the hottest planet in our solar system with a surface temperature of over 450 degrees Celsius.
Whenever ringed planet is asked we say “Saturn” but do you know that Saturn isn’t the only ringed planet, other gas giants such as Jupiter, Uranus and Neptune also have rings, they are just less obvious.
In 2006, astronomers changed the definition of a planet. This means that Pluto is now referred to as a dwarf planet.
Jupiter’s 4 biggest moons are named Europa, Ganymede, Callisto and Io.
It is because of the Sun & Moons gravity that we have high & low tides.
Because of lower gravity, a person who weighs 200 pounds on earth would only weigh 76 pounds on the surface of Mars.
The only planet that rotates on its side like a barrel is Uranus. The only planet that spins backwards relative to the others is Venus.
Other Facts
The Moon appears to have more craters and scars than Earth because it has a lot less natural activity going on, the Earth is constantly reforming its surface through earthquakes, erosion, rain, wind and plants growing on the surface, while the moon has very little weather to alter its appearance.
Many scientists believe that an asteroid impact caused the extinction of the dinosaurs around 65 million years ago.
Footprints and Tyre tracks left behind by astronauts on the moon will stay there forever as there is no wind to blow them away.
