Why do solid not flow?

Why do solid not flow?

They are held tightly together by strong forces of attraction. They are held in fixed positions but they do vibrate. Because the particles don’t move, solids have a definite shape and volume, and can’t flow. Because the particles are already packed closely together, solids can’t easily be compressed.

Why does matter appear solid?

It feels solid because of the dancing electrons. If you touch the table, then the electrons from atoms in your fingers become close to the electrons in the table’s atoms. So pushing just two atoms close to each other takes energy, as all their electrons need to go into unoccupied high-energy states.

What is antimatter bomb?

An antimatter weapon is a theoretically possible device using antimatter as a power source, a propellant, or an explosive for a weapon. Annihilation requires and converts exactly equal masses of antimatter and matter by the collision which releases the entire mass-energy of both, which for 1 gram is ~9×1013 joules.

Is there antimatter on Earth?

The Big Bang should have created equal amounts of matter and antimatter in the early universe. But today, everything we see from the smallest life forms on Earth to the largest stellar objects is made almost entirely of matter. Comparatively, there is not much antimatter to be found.

What is the proof of dark matter?

Primary evidence for dark matter comes from calculations showing that many galaxies would fly apart, or that they would not have formed or would not move as they do, if they did not contain a large amount of unseen matter.

Is there dark matter?

Dark matter, according to mathematical models, makes up three-quarters of all the matter in the universe. But it’s never been seen or fully explained.

What exists between galaxies?

Gas called the intergalactic medium fills the space between galaxies; the gas of the circumgalactic medium surrounds galaxies more closely. The gas in both places regulates the birth, life and death of the galaxies, and holds a detailed history of the universe. Only lately have astronomers been able to detect it.

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