1 / 13

CRCT Question

CRCT Question. What kind of weather is associated when a cold front approaches an area? sunny skies drizzly rain thunderstorms, heavy rain, or snow hot, muggy weather. Agree or Disagree . The universe is about 13.7 million years old The milky way is a spiral galaxy

bernie
Download Presentation

CRCT Question

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. CRCT Question What kind of weather is associated when a cold front approaches an area? sunny skies drizzly rain thunderstorms, heavy rain, or snow hot, muggy weather

  2. Agree or Disagree • The universe is about 13.7 million years old • The milky way is a spiral galaxy • Stars are classified according to age, picture, temperature • Blue-white stars are the hottest • Astronomers believe that the universe is expanding • We use radiation as evidence that the galaxies are moving apart • Salinity of the ocean is approximately 35%

  3. Are stars still present in the sky during the day time? • Yes, we just can’t see them because their dim light is overwhelmed by the brightness of the sun during the day.

  4. 0 Galaxies are based on their: • Size • Shape • Brightness • Density What is it most based on?

  5. Life Cycle Of Stars Video

  6. viI. How a star is born?

  7. As the particles pull closer together the temperature increases. At 10,000,000o C fusion takes place and energy radiates outward through the condensing ball of gas. Another view of Orion A. Nebulas

  8. B. Hydrogen Fusion: Energy of the Stars • Stars have large amounts of hydrogen gas. • 4 hydrogenatoms fuse forming 1 atom of helium • The mass of 4 hydrogen atoms is greater than the mass of 1 helium atom; the excess mass is converted to a tremendous amount of energy.

  9. This hydrogen  helium fusion can power a star for billions of years

  10. Fusion uses up a star’s hydrogen supply rapidly casing the core to heat up and the outer temperature to fall. (Life cycle of the star) Star expands and becomes a red giant Red Giant C. Red Giant

  11. Core continues to heat and star expands to a super giant. As the core uses up its helium supply, the outer layers escape into space and the remaining core is white hot and called a white dwarf. White dwarfs D. Stellar Evolution

  12. When no more material is left in the core it explodes into a supernova. Smaller stars become neutron stars and most massive will collapse into a black hole. Neutron Star E. Stellar Evolution

  13. Black Holes-nothing can escape, even light!

More Related