Space Explained

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2 weeks ago | [YT] | 1

Space Explained

Observational Evidence:
Scientists have used radiometric dating techniques on meteorites and lunar rocks to determine the age of the solar system, including Earth, and these findings consistently point to an age of around 4.5 billion years.

4 months ago | [YT] | 4

Space Explained

A year on Venus is shorter than a day: Venus rotates very slowly, but its orbit around the Sun is shorter, making a year on Venus shorter than a day.

4 months ago | [YT] | 3

Space Explained

The universe is constantly expanding: It has no center and is getting bigger every second.

4 months ago | [YT] | 2

Space Explained

Stellar and Galactic Evolution:
The universe needed time to evolve to the point where stars could form, die, and create heavier elements through stellar nucleosynthesis. These elements, such as carbon, oxygen, and iron, are essential building blocks for planets like Earth.

4 months ago | [YT] | 4

Space Explained

The International Space Station orbits Earth: It completes a full orbit in about 90 minutes.

4 months ago | [YT] | 2

Space Explained

One million Earths could fit inside the Sun.

4 months ago | [YT] | 6

Space Explained

Earth's Formation:
Earth, along with the rest of our solar system, formed much later, about 4.5 billion years ago, from the remnants of a supernova explosion. This event dispersed heavier elements that are necessary for the formation of rocky planets like Earth.

4 months ago | [YT] | 3

Space Explained

Exoplanets: Many planets have been discovered outside of our solar system, and they are called exoplanets.

4 months ago | [YT] | 2

Space Explained

Cold Welding: In the vacuum of space, two perfectly smooth pieces of the same metal will bond together if they touch.

4 months ago | [YT] | 2