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Hydrogen is the chemical element with atomic number 1


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Earth is the fifth-largest of the eight planets in the Solar System
Juipter is the largest planet in the Solar System
The Sun accounts for about 99.86% of the Solar System's mass
Earth is the fifth-largest of the eight planets in the Solar System
Several mechanisms have been historically proposed for the Moon\'s formation 4.527 ± 0.010 billion years ago
Naturally occurring elemental hydrogen is relatively rare on Earth
Hydrogen has an atomic weight of 1.00794 u
The average diameter of the Earth is about 12,742 km
Earth is the third planet from the Sun
The Soviet Union\'s Luna programme was the first to reach the Moon with unmanned spacecraft
Moon is a Germanic word, related to the Latin mensis
Earth is the third planet from the Sun
1000 meters equals 1 kilometers
Chemistry is for people interested in science, which is not all people.
Peanuts are one of the ingredients of dynamite.
The pull of gravity at the Moon\'s surface is about 17 percent of that at the Earth\'s surface
The planet formed 4.54 billion years ago
The Universe comprises everything we perceive to exist physically, the entirety of space and time, and all forms of matter and e
Current interpretations of astronomical observations indicate that the age of the Universe is 13.73 (± 0.12) billion years
Stars in the main sequence are mainly composed of hydrogen in its plasma state



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