Open source mind

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


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Hydrogen is the chemical element with atomic number 1
1000 meters equals 1 kilometers
Chemistry is for people interested in science, which is not all people.
Astronomy is not the same as astrology, although 83% of people don\'t know that.
Astrobiology is really cool
Astrobiology is really cool
The Solar System consists of the Sun and those celestial objects bound to it by gravity
The Sun has a diameter of about 1,392,000 kilometers
The meter was originally defined as 1/10,000,000 of the distance from the equator to the North Pole through Paris, France
Stars in the main sequence are mainly composed of hydrogen in its plasma state
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
The Moon's diameter is 3,474 kilometres
Moon is a Germanic word, related to the Latin mensis
The Union of Soviet Socialist Republics (USSR) was a constitutionally socialist state that existed in Eurasia from 1922 to 1991
Hydrogen has an atomic weight of 1.00794 u
The Solar System consists of the Sun and those celestial objects bound to it by gravity
The average diameter of the Earth is about 12,742 km
The planet formed 4.54 billion years ago
Hydrogen is represented by the symbol H



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