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Space Exploration Day 2026: 9 interesting facts related to space, which you will be surprised to know
Samira Vishwas | July 21, 2026 8:24 AM CST

History Of Space Exploration: Space itself is full of mysteries. From black holes to the universe, everything to space seems miraculous.

Let us know 9 such shocking facts to space, earth, sun and universe, which will change your perspective.

There may be dinosaur fossils on the moon

About 65 million years ago, a giant asteroid hit the Earth, causing the mass extinction of the dinosaurs. According to scientists, this collision was so powerful that pieces of Earth’s rocks were sent into space. It is believed that some of these rocks may also contain dinosaur fossils, which may have fallen on the Moon. That means the possibility of dinosaur fossils being present on the Moon cannot be ruled out.

All planets can come between Earth and Moon

The distances in space are so vast that if all the planets of the solar system were lined up, they could come within the distance between the Earth and the Moon. However, this is possible only when the planets are placed at their poles and the Moon is at its furthest.

If we could hear the sun, our ears would go numb.

Let us tell you that sound cannot travel in space, because there is vacuum, but if sound could spread in space, then on Earth we would hear the sound of the Sun at about 100 decibels. This sound would have been as loud as standing near Niagara Falls all day.

Space Day (Photo.Social Media)

Sun’s voice was heard for 13 years

If the Sun suddenly disappears, its light takes 8 minutes to reach the Earth, so it will become dark after 8 minutes. But if sound could also travel in space, then it would take about 13 years for the Sun’s sound to reach the Earth, that is, even after the Sun disappears, its roar would continue to be heard for 13 years.

Dinosaurs never saw the constellations we see today

Stars are constantly being born, changing and dying. Many famous constellations, such as Orion and the Big Dipper, did not exist during the time of dinosaurs. At that time the Earth was in another part of the galaxy, so the night sky looked completely different from today.

Collision of two galaxies does not mean collision of stars

Scientists predict that the Milky Way and Andromeda galaxies may merge in the future, but this does not mean that their stars or planets will also collide. There is so much distance between objects in space that the possibility of such a collision is extremely less.

There are billions of galaxies in every small part of the sky

According to photographs taken by powerful telescopes such as Hubble and James Webb, the universe is filled with countless galaxies. According to scientist Brian Greene, if you raise your thumb towards the sky at arm’s length, even in the small part visible behind it, there can be more than 10 million galaxies present.

Space Day (Photo.Social Media)

The visible universe is bigger than the journey of light

The age of the universe is thought to be about 13.8 billion years, but the diameter of the visible universe is about 93 billion light years. This is because the universe has been continuously expanding since the Big Bang. Due to this expansion, distant galaxies are much further away from us today than before.

In the future most of the universe will disappear from our sight

The universe is continuously expanding rapidly. According to scientists, in the coming billions of years most of the galaxies outside our Local Group will move so far away that their light will never reach Earth. That means in the future our eyes will be able to see only a few nearby galaxies.


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