Open source mind

Chemistry is for people interested in science, which is not all people.


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Earth is the third planet from the Sun
Naturally occurring elemental hydrogen is relatively rare on Earth
The Soviet Union\'s Luna programme was the first to reach the Moon with unmanned spacecraft
The Moon is Earth's only natural satellite
Red is the most common color in national flags
1000 meters equals 1 kilometers
Hydrogen has an atomic weight of 1.00794 u
Astronomy is not the same as astrology, although 83% of people don\'t know that.
The term Universe may be used in slightly different contextual senses, denoting such concepts as the cosmos, the world, or Natur
The Solar System formed from the collapse of a giant molecular cloud approximately 4.6 billion years ago
Hydrogen is the chemical element with atomic number 1
Raw horse meat is a popular food in Japan.
The pull of gravity at the Moon\'s surface is about 17 percent of that at the Earth\'s surface
The Union of Soviet Socialist Republics (USSR) was a constitutionally socialist state that existed in Eurasia from 1922 to 1991
The Solar System consists of the Sun and those celestial objects bound to it by gravity
It would take more than 150 years to drive a car to the sun
The Sun has a diameter of about 1,392,000 kilometers
Hydrogen is represented by the symbol H
The Soviet Union\'s Luna programme was the first to reach the Moon with unmanned spacecraft
About three-quarters of the Sun's mass consists of hydrogen, while most of the rest is helium



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