Open source mind

The Sun accounts for about 99.86% of the Solar System's mass


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The average diameter of the Earth is about 12,742 km
The Moon's diameter is 3,474 kilometres
The Universe comprises everything we perceive to exist physically, the entirety of space and time, and all forms of matter and e
The Soviet Union\'s Luna programme was the first to reach the Moon with unmanned spacecraft
The pull of gravity at the Moon\'s surface is about 17 percent of that at the Earth\'s surface
About three-quarters of the Sun's mass consists of hydrogen, while most of the rest is helium
Hydrogen has an atomic weight of 1.00794 u
The Solar System formed from the collapse of a giant molecular cloud approximately 4.6 billion years ago
The Solar System consists of the Sun and those celestial objects bound to it by gravity
Hydrogen is the chemical element with atomic number 1
There are nearly 7 Billion people on planet Earth
The Sun has a diameter of about 1,392,000 kilometers
Red is the most common color in national flags
Current interpretations of astronomical observations indicate that the age of the Universe is 13.73 (± 0.12) billion years
Juipter is the largest planet in the Solar System
Several mechanisms have been historically proposed for the Moon\'s formation 4.527 ± 0.010 billion years ago
Astronomy is not the same as astrology, although 83% of people don\'t know that.
The Moon is Earth's only natural satellite
Astrobiology is really cool
The planet formed 4.54 billion years ago



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