Space facts
Full exploration of the planets: Scientists have been exploring space for over 60 years and the effort has been certainly paid off all the planets. They almost know about every planet including the dwarf planets (Pluto and ceres). Most of the exploration's were done by NASA'S Voyager program which started in 1977. Vouager 1 and 2 collected the information's of planets and moons.
Giant Water Reservoir: In 2011 astronauts discovered the giant water reservoir simply floating in space around a super massive black hole called quasar. Water vapour's are found throughout the universe, but this particular reservoirs holds 140 trillion times more as water in earth's ocean. But it is 12 billion light years away from the earth.
Sound in Space: Sounds are produced by vibrating the air molecules in the Earth. But in the other planets sounds travel through the moon, but in space there is Nothing. There is only Vaccum, but scientists believe space has some gas clouds. From that sound will also travel in space depending on where you are.
Hottest planet: In earth the surface temperature is just 58.3°F but in universe there are lot of planets and stars. But scientific find some of them. Among the very hottest planet is Celt9-b, it is in the temperature of 7800°F (4316°C). It is close to its sun Kelt-9 which is hotter and bigger then our sun.
Space trash: Trash is not only in earth. In space also had lot of wastes. We termed the wastes as Space junk. In space also man-made wastes or satellites which are in not purpose. Natural debris asteroids and meteoroids are main space junk. Approximately 500,000 pieces of asteroids and meteroids were in space
Countless amount of star: Our galaxy Milkymay contains nearly 100 billion stars. In some galaxies they have more than 200 billion stars. In universe there are lot of galaxies. So the amount of stars would be countless. But some scientists calculate there are billion trillion or 1 after 21 zeros amount of stars in our universe. The stars in our universe is more than the grains of the sands in the whole beaches of the earth.
The moon is a piece of earth: The moon is also the price of earth when our planets are formed. For a long period our earth doesn't have natural satellite. Before 100 million years our moon was formed. There were several theories. But "Gaint impact theory" was widely accepted. It proposes that the moon formed during a collision between the earth and another small planet, about the size of mars. The debris from their impact collected in an orbit around Earth to form the moon.
The biggest volcano: Olympous mons is the largest volcano is in Tharsis Montes region. It is a shield volcano is in 624km (374mi) in diameter. It is approximately the same size as the state of Arizona in USA, and it height is 25km (16mi). It has the height of three Mount Everest. The Olympus mons are so big because the volcanoes are in the Tharsis region of mars are 10 to 100 times larger than those anywhere on earth. The lava was erupted extremely high because of the low surface gravity.
The milky way and andromeda colloision: The andromeda - milkyway collision is a Baltic collision predicted to occur in about 4.5 billion year between the two largest galaxies in the local group,. During this collision many of the solar system and sun's were destroyed during this collision but fortunately our sun and solar systems are still alive.
The densest object in the universe: Neutron star is the densest object in the space. They were formed after the explorations of massive died star. They were in the size of small cities but they are 1.4 times weighted then other stars. The died stars crores collapse in on themselves the core continues to press in on themselves the core continues to press in on itself until all the electrons are essentially crushed together leaving only neutrons, this makes neutrons star more denser. The gravity in the neutron star is 2 billion times stronger than the gravity of earth.
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