SUBMIT On the other end of the spectrum are M stars, also known as red dwarfs.

Deuterium is a special kind of hydrogen atom that has both a proton and a neutron.

Depending on the mass of the star, this lifetime ranges from only a few million years for the most massive to trillions of years for the least massive, which is considerably longer than the age of the universe. Red dwarfs weigh anywhere from .08 to .8 solar masses and are the most plentiful star type in our universe.

... to the envy of brown dwarfs.

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The gestational period varies slightly from species to species. nebula, protostar, massive main sequence star, super giant, supernova, neutron star/ black hole. Their internal gravitation pressure is high enough to support partial nuclear fusion. Good Luck! They form from relatively small amounts of gas. our suns life cycle currently. O A. Our own sun is a G-type star, medium size and yellow in color. Stellar Life Cycle Stellar evolution is the process by which a star undergoes a sequence of radical changes during its lifetime. Glossary Absolute Magnitude. In fact, most astronomers would classify any object with between 15 times the mass of Jupiter and 75 times the mass of Jupiter to be a brown dwarf. A) black hole B) red giant C) supernova D) white dwarf E) brown dwarf F) protostar G) black dwarf The Life of a High Mass Star.

The life cycle of a star starts with dense regions in the nebula and ends in a supernova explosion. Star Life Cycle. It will collapse and become a white dwarf. Still, speculation abounds as to whether brown dwarfs in general (as opposed to any specific brown dwarf in particular) might warm a companion planet long enough to nurture life. All main-sequence stars follow the same general life cycle, that is until they run out of core hydrogen. Which best describes the very next phase in our sun's life cycle? C. It will collapse and shecome a brown dwarf. Deuterium. Astronomers have only just begun to find them. Brown dwarfs are heavier than our gas giant planets but not big enough to be a star. D. It will expand and become a red giant. ... Brown Dwarf.

A brown dwarf is a type of substellar object that has a mass between those of the heaviest gas giant planets and the least massive stars, i.e., approximately 13 to 75–80 times that of Jupiter (M J), or approximately 2.5 × 10 28 kg to about 1.5 × 10 29 kg.Below this range are the sub-brown dwarfs (sometimes referred to as rogue planets), and above it are the least massive red dwarfs. Brown Dwarfs are interstellar cloud condensates that almost became stars. The mass of a brown dwarf can range from 13 to 90 times the mass of the planet Jupiter, or up to about a tenth the mass of the sun. There are conflicting theories about how plentiful they will prove to be. It will explode and form a star nursery. In other words, the temperatures and pressures at …

when the protostar is too small to start fusion.