10/19/2023 0 Comments What is matter made of![]() Inertia measures the resistance of an object to being accelerated by a force, and the inertia of an object at rest is proportional to its mass.Īccording to a law of physics first formulated by Isaac Newton and later modified by Einstein in his general theory or relativity, any object with mass can be accelerated by applying a force to it. Matter itself has energy, called "rest energy." What distinguishes matter-energy from other forms of energy is that all matter has inertia and is subject to the force of gravity when at rest as well as when in motion. ![]() In addition to containing matter, space also is filled with energy, part of it in the form of microwave radiation. ![]() The entire observable universe, of which the Earth is a very tiny part, contains matter in the form of stars, planets, and other objects scattered in space, such as particles of dust, molecules, protons, and electrons.
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