Positron
The positron or antielectron is the antiparticle or the antimatter counterpart of the electron. The…
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Quark
A quark (/kwɔːrk, kwɑːrk/) is a type of elementary particle and a fundamental constituent of matter…
Low of gravitation
Newton's law of universal gravitation is usually stated as that every particle attracts every o…
Nitrogen
Nitrogen is the chemical element with the symbol N and atomic number 7. It was first discovered and…
Liquid nitrogen
Liquid nitrogen—LN2—is nitrogen in a liquid state at low temperature. Liquid nitrogen has a boiling…
Force
In physics, a force is any influence that, when unopposed, will change the motion of an object. A f…
Momentum
In Newtonian mechanics, linear momentum, translational momentum, or simply momentum (pl. momenta) i…
Nuclear fusion
Nuclear fusion is a reaction in which two or more atomic nuclei are combined to form one or more di…
Easter Island
Easter Island (Rapa Nui: Rapa Nui; Spanish: Isla de Pascua) is an island and special territory of C…
Antimatter
In modern physics, antimatter is defined as matter that is composed of the antiparticles (or "…
Lightning
Lightning is a naturally occurring electrostatic discharge during which two electrically charged re…
Thrust
Thrust is a reaction force described quantitatively by Newton's third law. When a system expels…
Oxygen
Oxygen is the chemical element with the symbol O and atomic number 8. It is a member of the chalcog…
Planet 9
Planet Nine is a hypothetical planet in the outer region of the Solar System.[2][3] Its gravitation…