About 272,000 results
Open links in new tab
  1. Plasma | Physics, State of Matter, & Facts | Britannica

    Jan 2, 2026 · Nearly all the visible matter in the universe exists in the plasma state, occurring predominantly in this form in the Sun and stars and in interplanetary and interstellar space.

  2. Plasma - Natural, State, Matter | Britannica

    Jan 2, 2026 · Irrespective of the truth of this, there is little matter in the universe now that does not exist in the plasma state. The observed stars are composed of plasmas, as are interstellar and …

  3. Plasma - Fusion, Lighting, Astronomy | Britannica

    Nov 22, 2025 · Plasma - Fusion, Lighting, Astronomy: The most important practical applications of plasmas lie in the future, largely in the field of power production. The major method of …

  4. Plasma - Oscillations, Parameters, Interactions | Britannica

    Nov 22, 2025 · This is the great practical goal of plasma physics—to produce nuclear fusion on the Earth. Confinement schemes devised by scientists use magnetic fields or the inertia of an …

  5. Plasma - Waves, Particles, Interactions | Britannica

    Jan 2, 2026 · Plasma - Waves, Particles, Interactions: The waves most familiar to people are the buoyancy waves that propagate on the surfaces of lakes and oceans and break onto the …

  6. plasma summary | Britannica

    plasma, Electrically conducting medium in which there are roughly equal numbers of positively and negatively charged particles, produced when the atoms in a gas become ionized (see …

  7. plasma and plasma physics - Students | Britannica Kids

    Scientists have estimated that more than 99 percent of the matter in the universe exists in the plasma state. Plasma exists in and around the stars, including the Sun, and throughout …

  8. Blood - Plasma, Components, Functions | Britannica

    Dec 15, 2025 · The principal difference between the plasma and the extracellular fluid of the tissues is the high protein content of the plasma. Plasma protein exerts an osmotic effect by …

  9. Phase | Definition & Facts | Britannica

    Dec 10, 2025 · The three fundamental phases of matter are solid, liquid, and gas (vapour), but others are considered to exist, including crystalline, colloid, glassy, amorphous, and plasma …

  10. Plasma | Definition, Function, & Composition | Britannica

    Dec 29, 2025 · Plasma, the liquid portion of blood, which transports nutrients and wastes and maintains blood pressure and homeostasis.