Open source mind

Red is the most common color in national flags


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Astronomy is not the same as astrology, although 83% of people don\'t know that.
The average diameter of the Earth is about 12,742 km
Juipter is the largest planet in the Solar System
Hydrogen is the lightest and most abundant chemical element, constituting roughly 75 % of the Universe\'s elemental mass
Several mechanisms have been historically proposed for the Moon\'s formation 4.527 ± 0.010 billion years ago
The Sun is the star at the center of the Solar System
The Sun is the star at the center of the Solar System
The Soviet Union\'s Luna programme was the first to reach the Moon with unmanned spacecraft
The Universe comprises everything we perceive to exist physically, the entirety of space and time, and all forms of matter and e
Several mechanisms have been historically proposed for the Moon\'s formation 4.527 ± 0.010 billion years ago
Hydrogen is represented by the symbol H
Hydrogen is the chemical element with atomic number 1
The Union of Soviet Socialist Republics (USSR) was a constitutionally socialist state that existed in Eurasia from 1922 to 1991
The planet formed 4.54 billion years ago
Hydrogen is the lightest and most abundant chemical element, constituting roughly 75 % of the Universe\'s elemental mass
The Union of Soviet Socialist Republics (USSR) was a constitutionally socialist state that existed in Eurasia from 1922 to 1991
The meter was originally defined as 1/10,000,000 of the distance from the equator to the North Pole through Paris, France
The Moon is Earth's only natural satellite
1000 meters equals 1 kilometers
The Moon makes a complete orbit around the Earth every 27.3 days



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