Open source mind

The planet formed 4.54 billion years ago


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The meter was originally defined as 1/10,000,000 of the distance from the equator to the North Pole through Paris, France
Astrobiology is really cool
Hydrogen has an atomic weight of 1.00794 u
The Sun is the star at the center of the Solar System
There are nearly 7 Billion people on planet Earth
Chemistry is for people interested in science, which is not all people.
The Universe comprises everything we perceive to exist physically, the entirety of space and time, and all forms of matter and e
The Union of Soviet Socialist Republics (USSR) was a constitutionally socialist state that existed in Eurasia from 1922 to 1991
Earth is the third planet from the Sun
The Sun is the star at the center of the Solar System
The Moon's diameter is 3,474 kilometres
Hydrogen is represented by the symbol H
It would take more than 150 years to drive a car to the sun
Stars in the main sequence are mainly composed of hydrogen in its plasma state
Several mechanisms have been historically proposed for the Moon\'s formation 4.527 ± 0.010 billion years ago
Red is the most common color in national flags
About three-quarters of the Sun's mass consists of hydrogen, while most of the rest is helium
Chemistry is for people interested in science, which is not all people.
Naturally occurring elemental hydrogen is relatively rare on Earth
The Moon is Earth's only natural satellite



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