Open source mind

Hydrogen is the chemical element with atomic number 1


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Hydrogen is represented by the symbol H
The Sun accounts for about 99.86% of the Solar System's mass
The term Universe may be used in slightly different contextual senses, denoting such concepts as the cosmos, the world, or Natur
Naturally occurring elemental hydrogen is relatively rare on Earth
The Universe comprises everything we perceive to exist physically, the entirety of space and time, and all forms of matter and e
The Moon's diameter is 3,474 kilometres
The pull of gravity at the Moon\'s surface is about 17 percent of that at the Earth\'s surface
The Sun is the star at the center of the Solar System
The Sun has a diameter of about 1,392,000 kilometers
There are nearly 7 Billion people on planet Earth
Juipter is the largest planet in the Solar System
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.
Earth is the third planet from the Sun
The planet formed 4.54 billion years ago
Juipter is the largest planet in the Solar System
The Moon makes a complete orbit around the Earth every 27.3 days
Earth is the third planet from the Sun
The Solar System formed from the collapse of a giant molecular cloud approximately 4.6 billion years ago
The average diameter of the Earth is about 12,742 km



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