'Dust gas' diaporamas de présentation

45 years of developments around the CIB 1967-2012

438 views • 32 slides

S6E1.f. Compare and contrast comets, asteroids, and meteors

S6E1.f. Compare and contrast comets, asteroids, and meteors. What are the characteristics of comets, asteroids, and meteors? How are they alike/different?. Comets. Where do they come from? ORIGIN: Left over from formation of solar system Kuiper Belt & Oort Cloud. Size of Comets.

729 views • 18 slides

Stars have life cycles.

Stars have life cycles. Nebula. Clouds of dust and gas Where stars form because gravity pulls dust/gas together If center grows hot/dense, fusion starts. Low Mass Star. Main sequence Hydrogen fuses to helium Fuel burns slowly for billions of years Runs out of hydrogen gas. Giant star

220 views • 10 slides