Open source mind

Red is the most common color in national flags


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The planet formed 4.54 billion years ago
The Sun is the star at the center of the Solar System
There are nearly 7 Billion people on planet Earth
The pull of gravity at the Moon\'s surface is about 17 percent of that at the Earth\'s surface
There are nearly 7 Billion people on planet Earth
Several mechanisms have been historically proposed for the Moon\'s formation 4.527 ± 0.010 billion years ago
1000 meters equals 1 kilometers
The average diameter of the Earth is about 12,742 km
The meter was originally defined as 1/10,000,000 of the distance from the equator to the North Pole through Paris, France
The Solar System consists of the Sun and those celestial objects bound to it by gravity
Hydrogen is the lightest and most abundant chemical element, constituting roughly 75 % of the Universe\'s elemental mass
The Universe comprises everything we perceive to exist physically, the entirety of space and time, and all forms of matter and e
Hydrogen is represented by the symbol H
Raw horse meat is a popular food in Japan.
Hydrogen has an atomic weight of 1.00794 u
Raw horse meat is a popular food in Japan.
The Union of Soviet Socialist Republics (USSR) was a constitutionally socialist state that existed in Eurasia from 1922 to 1991
The Union of Soviet Socialist Republics (USSR) was a constitutionally socialist state that existed in Eurasia from 1922 to 1991
The Moon makes a complete orbit around the Earth every 27.3 days
The Moon is the only celestial body on which human beings have made a manned landing



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