Open source mind

Red is the most common color in national flags


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Several mechanisms have been historically proposed for the Moon\'s formation 4.527 ± 0.010 billion years ago
The average diameter of the Earth is about 12,742 km
There are nearly 7 Billion people on planet Earth
The Moon makes a complete orbit around the Earth every 27.3 days
The meter was originally defined as 1/10,000,000 of the distance from the equator to the North Pole through Paris, France
Raw horse meat is a popular food in Japan.
There are nearly 7 Billion people on planet Earth
The Moon is Earth's only natural satellite
Stars in the main sequence are mainly composed of hydrogen in its plasma state
The Moon is the only celestial body on which human beings have made a manned landing
The term Universe may be used in slightly different contextual senses, denoting such concepts as the cosmos, the world, or Natur
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
The Solar System formed from the collapse of a giant molecular cloud approximately 4.6 billion years ago
The Sun is the star at the center of the Solar System
Current interpretations of astronomical observations indicate that the age of the Universe is 13.73 (± 0.12) billion years
Hydrogen is represented by the symbol H
Hydrogen is the lightest and most abundant chemical element, constituting roughly 75 % of the Universe\'s elemental mass
Astronomy is not the same as astrology, although 83% of people don\'t know that.
1000 meters equals 1 kilometers



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