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1. Infinite Stars:

There are more stars in the observable universe than there are grains of sand on all the beaches on Earth.

2. Neutron Stars:

Neutron stars are incredibly dense, with a teaspoon of neutron star material weighing about six billion tons.

3. Diamond Rain on Neptune and Uranus:

It is theorized that it rains diamonds on Neptune and Uranus due to the high pressure and temperature in their atmospheres.

4. Space is Not Truly Empty:

Even in the vastness of space, there are still a few atoms per cubic meter, forming a diffuse interstellar medium.

5. The Largest Structure:

The largest known structure in the universe is the Hercules-Corona Borealis Great Wall, a massive group of galaxies stretching over 10 billion light-years.

6. The Great Attractor:

Our Milky Way galaxy, along with many other galaxies, is being pulled towards a mysterious gravitational force known as the Great Attractor.

7. The Moon's Influence on Earth:

The Moon's gravitational pull affects Earth's tides, and this interaction also slows down Earth's rotation over time.

8. The Observable Universe is a Tiny Fraction:

The observable universe represents only a small fraction of the entire universe, which might be much larger than what we can observe.

9. The Coldest Place in the Universe:

The Boomerang Nebula, about 5,000 light-years away, is one of the coldest known places in the universe, with a temperature of about one degree Kelvin.

10. Dark Energy Mystery:

Dark energy, which makes up about 68% of the universe, is causing the accelerated expansion of the cosmos. However, its nature remains one of the greatest mysteries in astrophysics.

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