Facts about the Smallest planet, Brightest planet and Blue planet of our Solar system

The Planets

#Some Interesting facts of First Three Planets of our Solar system :
1)The Mercury

#Mercury is the smallest planet of our Solar system and Closest to the Sun.
#Mercury is the Fastest Orbiting Planet of our Solar System.
#Mercury is a rocky planet with a huge iron core which makes up a large part of its interior. Iron makes up about 70% of Mercury's total weight, which makes it the most Iron-rich planet of the Solar System.
#The Distance from the sun is 57.91 million kms.
#One day in the Mercury is equal to 58days 15hrs 30min.
#It takes 87.97 Earth days to complete it's one revoluton around sun.
#The mass of Mercury is 3.301*10^23 kg.
#It's atmosphere is mainly composed of Oxygen(42%), Sodium(29%) and Hydrogen(22%).
#Mercury is Shrinking day by day because it's iron core is cooling, which is making it solid.
#The first spacecraft to visit Mercury was Mariner 10 which was launched by NASA.
#The Surface Temperature of the Mercury ranges from -180 degrees celsius to 430 degrees celsius.
#The Mercury has no atmosphere on it and it does not have any moons.
#If you weigh 70kg on the Earth, then you will weigh 26.6kg on the Mercury.

2)The Venus

#The Venus is the Hottest planet of our Solar system and it is called as "Earth's Sister planet" also it is a Terrestrial planet.
#It takes 224.7 Earth days to complete it's one revolution around sun.
#The Distance from the sun is 108.2 million kms.
#One day in the Venus is equal to 116days 18hrs.
#Unlike the other planets, the venus spins in clockwise direction on its axis.
#It's atmosphere is mainly composed of Carbon(96.5%) and Nitrogen(3.5%).
#The Average Surface Temperature of the Venus is 464 degrees celsius.
#The first spacecraft to visit Venus was Mariner 2 which was launched by NASA.
#It is the Second Brightest natural object in the night sky after Moon.
#The Venus does not have any moons.
#If you weigh 70kg on the Earth, then you will weigh 63.7kg on the Venus.

3)The Earth

#The Earth is the only life supporting planet of the solar system, it is also called as "Blue Planet" because most parts of it is covered with water(about 70.8%).
#The Distance from the sun is149.6 million kms.
#One day in the Earth is equal to 23hrs 56min.
#It takes 365.25 days to complete it's one revolution around sun.
#It's atmosphere is mainly composed of Nitrogen(78.08%) and Oxygen(20.95%).
#The Surface temperature of the Earth ranges from -89.2 degrees celsius to 56.7 degrees celsius.
#The Only Natural satellite(moons) of the Earth is the Moon.
#The Earth is the Densest planet in the Solar system.
#The Hottest place on the Earth is Death Valley, Southern California and the Coldest place on the Earth is Oymyakon, Arctic circle.
#The Earth's axis is tilted at 23.5 degrees from the plane of its orbit around the sun.