Open source mind

Red is the most common color in national flags


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About three-quarters of the Sun's mass consists of hydrogen, while most of the rest is helium
The Moon is the only celestial body on which human beings have made a manned landing
Hydrogen is the lightest and most abundant chemical element, constituting roughly 75 % of the Universe\'s elemental mass
The Moon is Earth's only natural satellite
1000 meters equals 1 kilometers
It would take more than 150 years to drive a car to the sun
The Union of Soviet Socialist Republics (USSR) was a constitutionally socialist state that existed in Eurasia from 1922 to 1991
Raw horse meat is a popular food in Japan.
Hydrogen is the lightest and most abundant chemical element, constituting roughly 75 % of the Universe\'s elemental mass
The pull of gravity at the Moon\'s surface is about 17 percent of that at the Earth\'s surface
Current interpretations of astronomical observations indicate that the age of the Universe is 13.73 (± 0.12) billion years
The term Universe may be used in slightly different contextual senses, denoting such concepts as the cosmos, the world, or Natur
There are nearly 7 Billion people on planet Earth
Current interpretations of astronomical observations indicate that the age of the Universe is 13.73 (± 0.12) billion years
Astronomy is not the same as astrology, although 83% of people don\'t know that.
Several mechanisms have been historically proposed for the Moon\'s formation 4.527 ± 0.010 billion years ago
The Union of Soviet Socialist Republics (USSR) was a constitutionally socialist state that existed in Eurasia from 1922 to 1991
The Sun is the star at the center of the Solar System
Moon is a Germanic word, related to the Latin mensis
There are nearly 7 Billion people on planet Earth



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