A newly formedprotostarwill primarily radiate in theA)infrared wavelength.A protostar is a stage in theformation of a star. It is a dense, collapsing region within a molecular cloud where gravitational forces cause gas and dust to come together and form a dense core. As the core continues to collapse under its own gravity, it heats up and becomes a protostar.During the protostar stage, the object is not yet hot enough to sustainnuclear fusion, which is the process that powers stars. Instead, the protostar derives its energy from the gravitational contraction, converting gravitational potential energy into thermal energy. As the protostar contracts further, its temperature and pressure increase, eventually reaching a point where nuclear fusion ignites, marking the birth of a star.Theprotostar phaseis relatively short-lived, typically lasting a few hundred thousand years. Once nuclear fusion begins, the protostar becomes a main-sequence star, where it will spend the majority of its lifetime, converting hydrogen into helium in its core through nuclear fusion. The exact duration of the protostar phase depends on various factors such as the mass of the protostar, the properties of the surrounding molecular cloud, and the initial conditions of the collapse.During the early stages ofstellar formation, a protostar is surrounded by a dense envelope of gas and dust. This envelope blocks much of the visible light emitted by the protostar, but it allows longer-wavelength infrared radiation to pass through. The dust in the envelope absorbs the shorter-wavelength radiation and re-emits it in the infrared range. Therefore, the protostar's energy is primarily radiated asinfrared light.This infrared radiation is often detected and studied by astronomers to gain insights into the early stages of star formation.To know more aboutprotostar, visitbrainly.com/question/19248817#SPJ11...

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