1 / 8

RESOURCEs & Environment Ch. 1. planet earth

RESOURCEs & Environment Ch. 1. planet earth. 1-1. Origin of the universe. Universe? Star + Planets + Satellites + Comets + (Asteroids) + M eteorites + Dusts + Gases . . .  S tar system Star system + Star system + …  Galaxy

cecile
Download Presentation

RESOURCEs & Environment Ch. 1. planet earth

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. RESOURCEs & EnvironmentCh. 1. planet earth

  2. 1-1. Origin of the universe • Universe? • Star+ Planets+ Satellites+ Comets+ (Asteroids) + Meteorites+ Dusts+ Gases . . . •  Star system • Star system+ Star system + … Galaxy • Galaxy+ Galaxy+ …  Local group + Local group + … Universe

  3. Alpha Centauri, the closest star to us (4.37 LY (light year) away: 1 LY = 1013 km) http://heasarc.gsfc.nasa.gov/docs/cosmic/nearest_star_info.html.

  4. Andromeda, the closest galaxy to us (2.5 MLY away) http://www.definity-systems.net/~apw/astro/galaxies.html

  5. Galaxies around us. The ‘local group’. http://www.definity-systems.net/~apw/astro/galaxies.html.

  6. Theories of the Origin of the Universe • Stationary Cosmology • Expanding Universe Theory • Steady State Cosmology • Big-Bang Theory • Evidences • RED SHIFT • CMBR (COSMICMICROWAVE BACKGROUND RADIATION)

More Related