nebulae
The sun is primarily composed of hydrogen (about 74%) and helium (about 24%). These two elements make up the vast majority of its mass, with traces of other elements present.
The high temperatures and density present on the Sun allow gases to become ionized, forming a plasma. This occurs in the Sun's core due to the extreme heat and pressure created by nuclear fusion reactions.
YOU! Really, you are actually radiating light as you read this, though mostly in the submillimeter range (THz) and FIR. Any object with a high enough temperature to transfer photons with other matter is technically luminous, though not always in the visible spectrum and not always according to the blackbody radiation curve. Though if you're speaking more colloquially you may mean luminous as in "Radiating Photons that react with the rods & cones in primate eyes", that is to say luminous within the human visible spectrum, In that case anything that lights up is "luminous"; from the sun and other stars to bioluminescent algae and fishies to hot plasmas like a candle, a campfire, or a forest fire to LEDs, Lasers, Light bulbs and cold plasmas like the pixels in Plasma TV's.
As a nebula is an extremely vast region of space comprised of hydrogen & helium gas, dust and other gases and plasmas, it would be fair to say that they are many, many times larger than even the largest star. Nebulae are often referred to as 'stellar nurseries' as these tend to be regions in which many stars are formed.
nebulae
nebulae
nebulae
Matter. Everything. Gases,Liquids,Solids and Plasmas.
Plasmas are conductive assemblies of charged particles, neutrals and fields that exhibit collective effects. Further, plasmas carry electrical currents and generate magnetic fields. Plasmas are the most common form of matter, comprising more than 99% of the visible universe, and permeate the solar system, interstellar and intergalactic environments. When considered inclusively, it is clear that plasma science and technology encompasses immense diversity, pervasiveness and potential. The future is right for the this plasma features: Plasmas for Home, Business and Transportation Plasmas for Space Plasmas and Manufacturing Plasmas for Energy Plasmas for National Security Plasmas for the Environment Plasmas and Education
Demosthenes Kazanas has written: 'Photon-photon absorption and the uniqueness of the spectra of active galactic nuclei' -- subject(s): Photons, Scattering, Space plasmas
No, solids typically have stronger intermolecular forces compared to plasmas. In solids, particles are tightly packed and have strong interactions, such as van der Waals forces and hydrogen bonding, whereas in plasmas, particles are highly energetic and ionized, resulting in weaker electrostatic interactions.
Physics of Plasmas was created in 1994.
No. Plasmas are ionized gas.
Plasmas do not a have a fixed shape.
Plasmas do not have a definite volume or shape because their particles are in constant motion and can easily expand to fill any container they are in. This makes plasmas different from solid, liquid, and gas states of matter which have defined shapes and volumes.
An aspect of the kinetic-molecular theory is that particles are in constant motion and interact through collisions. In plasmas, which are ionized gases consisting of free electrons and ions, the high energy of particles leads to frequent, energetic collisions. This results in unique behaviors such as electrical conductivity and responsiveness to magnetic fields, as the charged particles can move independently and interact dynamically with external forces.