PPT-Life Cycle of a Star Nebula

Baby star Composed of gas and dust Protostar Center of nebula begins to shrink as it gets hotter Nuclear fusion begins Main Sequence Middle Age Star will spend most of its life in this stage. What force makes stars? . Gravity!. Out of what? Interstellar gas and dust. But this stuff is VERY low density… a dense area may have ~100 atoms / cm. 3. . Compare that the air you’re breathing… ~10. S. econd . P. eriod. Bob Jones, CERN. First Helix Nebula Review. 03 July 2013. This document produced by . Members of the Helix Nebula consortium. is licensed under a . Creative Commons Attribution 3.0 . By: Ethan Kelfer. History. Discovered . by French . astronomer Antoine Darquier de Pellepoix in January 1779. He said that the Ring Nebula was . ". ...as large as Jupiter and resembles a planet which is fading.. Amole. Spectra of Science. 2013. What are Stars?. A large celestial body of hot gas that emits light. Greeks grouped stars in patterns called constellations. Use the unit light-year to measure distances between stars. Nebula (Messier). Parker . Kvenvold. . What and Where?. Reflection, emission. , and . . dark nebula discovered by Messier. It is 5000 light years away. 1,600 parsecs. Discovery. Messier. - . 1784. patrick Holder, Emma lipscomb, eddy ndungu. Mythology. Lyra represents Orpheus’ lyre. . Orpheus was devastated after losing his wife.. His depression made people unhappy. They stoned him. Jupiter put Orpheus' lyre into the sky after his death.. Generally speaking, . there are two main life cycles for stars. . . The factor which determines the life cycle of the star is its mass. . . 1 solar mass = size of our Sun. Any star less than about three solar masses will spend almost all of its existence in what is called the “Main Sequence”. . NEBULA. A nebula is a cloud of . hydrogen gas. . and dust in space.. Nebulae are the birthplaces of stars.. There are different types of . nebula: An . Emission . Nebula: such . as Orion nebula, glows brightly because the . Starlab. quiz: . http://www.houghton.edu/physics/course-websites/phys-141-cosmology. /. . How Do Stars Form?. Topics. :. Nebulae. Protostars. HR diagram. Compression Waves. OB Associations. Supernovae Clusters. Do Now. SWBAT explain the life cycle of different types of stars. Turn in your Homework. Grab your clicker. Complete the “Are we made of star stuff” Misconception sheet.. January 24. Waning Crescent. Do Now. SWBAT explain the life cycle of different types of stars. Turn in your Homework. Grab your clicker. Complete the “Are we made of star stuff” Misconception sheet.. January 24. Waning Crescent. Name the force that tries to compress/collapse a star? Name the process that happens in the core of a star preventing collapse and powering the star.. About how long does our sun live as a main sequence star?. Stars form in a cloud of dust and gas in space called a nebula.. How do stars form?. A force from outside the nebula causes the cloud to condense into stars. . Example: a shockwave. Gravity causes the particle in the cloud to contract.. What are stars?. And what are they made of?. Stars are huge, hot, bright balls of gas.. Stars have different temperatures.. Stars are of different colors.. Stars are made of different elements.. Betelgeuse.