1. There is no sound in space:
As we all know, there is no atmosphere in space, so the sound has no medium to travel to be audible.
Astronauts use radios to stay connected while in space.
2. Venus is the hottest planet of our solar system:
Venus has an average surface temperature of 450 degrees C.
As we all know, venus is not the closest planet to the Sun still has such a high temperature; it's all because mercury, the nearest world, has a considerable temperature fluctuation.
3. Stars in the space are uncountable:
The sheer size of space makes it impossible to predict the number of stars present over there accurately.
Currently, scientists and astronomers use the number of stars only within our galaxy, The Milky Way, to estimate.
That number is approximately 200-400 billion stars, and there are billions of galaxies, so stars in space are uncountable.
4. Life may exist on Mars:
of all planets in our solar system, mars are the only planet most likely to have life. In 1986, NASA found what they thought may be fossils of microscopic living things in a rock recovered from Mars.
6. Neutron stars can spin 600 times per second:
Neutron stars are the tiniest stars in the universe. They have a radius of about 10 km, but they may have a mass of a few times the Sun.
They can rotate up upto 60 times per second after being born from a core-collapse supernova star explosion.
They can spin as fast as 600-712 times per second because of their physics.
7. Halley's comet won't orbit past Earth again until 2061:
Halley's comet was last seen in 1986 and is only seen once every 75 to 76 years.
8. The footprintMoon Moon will be there for 100 million years: Moon moon has no atmosphere, so there is no wind and water to erode the surface or wash away the surface; So the footprints of astronauts, their spacecraft, or rovers can stay on the surface for about 100 million years.
9. There may be a planet made out of diamonds:
Research by Yale University scientists suggests that a rocky planet called 55 Cancri e- having a radius twice the Earth and mass eight times greater, may have a surface made up of graphite and diamonds. It's 40 light-years away but visible to the naked eye in the constellation of Cancer.
10. In 3.75 billion years, The Milky Way and Andromeda galaxies will collide:
Andromeda galaxy is approaching the milky way, where our solar system is at a rate of 110km per sec. And eventually, the two collide to form a giant elliptical galaxy.
11. Volcano is present on Mars three times the size of Everest:
On mars, 600 km wide and 21 km high, Olympus Mons is a volcano that may still be active.
It is the tallest peak on any planet.
12. Moon moon was once a piece of the Earth.
13. The Sun's mass takes up 99.86 % of the Solar System.
14. The dwarf planet Ceres was the first and largest object to be considered an asteroid.
15. There is floating water in space.
16. if two pieces of the same type of metal touch in space, they will create a permanent bond.
17. One Day on venus is Longer Than One year on Earth.
18. Mars has the longest valley, " Valles Marineris."
19. Venus has super powerful winds.
20. Spacecraft have visited every planet.
21. Mercury is still contracting.
22. There are mountains in pluto.
23. Rings are everywhere in the solar system.
24. Jupiter's Great Red Spot is shrinking.
25. Saturn has a two-tone moon.
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