Leaving the Main Sequence
... 3. Red giant – Core begins to run out of hydrogen fuel, begins to contract and heats. Remaining hydrogen burns faster in the shell around core and generates extra energy, disrupting hydrostatic equilibrium and causing outer regions to expand and cool. Star turns red. – Core (helium) becomes a degene ...
... 3. Red giant – Core begins to run out of hydrogen fuel, begins to contract and heats. Remaining hydrogen burns faster in the shell around core and generates extra energy, disrupting hydrostatic equilibrium and causing outer regions to expand and cool. Star turns red. – Core (helium) becomes a degene ...
White Dwarf
... •Helium is burning to Carbon in a shell around the Carbon core while H-to-He burning occurs in an outer ...
... •Helium is burning to Carbon in a shell around the Carbon core while H-to-He burning occurs in an outer ...
Basic Patterns and Motions in the Sky
... North and South (Terrestrial) Poles have undefined longitudes Terrestrial Equator – 0º latitude Horizon – boundary between Earth and sky (gigantic circle surrounding you) Celestial Sphere – Imaginary sphere that you are at the center at and everything in the Universe is “painted” on it Horizon Coord ...
... North and South (Terrestrial) Poles have undefined longitudes Terrestrial Equator – 0º latitude Horizon – boundary between Earth and sky (gigantic circle surrounding you) Celestial Sphere – Imaginary sphere that you are at the center at and everything in the Universe is “painted” on it Horizon Coord ...
WORD - hrsbstaff.ednet.ns.ca
... c. the structure and evolution of the earth's crust. d. everything in the universe that lies above Earth's atmosphere. 02. Which of the following terms would not be associated with astronomy? a. horoscope b. telescope c. astrolabe d. celestial sphere 03. A planet is an object which a. occurs only in ...
... c. the structure and evolution of the earth's crust. d. everything in the universe that lies above Earth's atmosphere. 02. Which of the following terms would not be associated with astronomy? a. horoscope b. telescope c. astrolabe d. celestial sphere 03. A planet is an object which a. occurs only in ...
aaswinter06
... In January 2002, the star V838 Monocerotis erupted, generating intense interest, at least partly because of the exquisite pictures taken by the Hubble Space Telescope (see the background of this poster and the color picture below) ACS showing what is interpreted as a “light echo” from the eruption ( ...
... In January 2002, the star V838 Monocerotis erupted, generating intense interest, at least partly because of the exquisite pictures taken by the Hubble Space Telescope (see the background of this poster and the color picture below) ACS showing what is interpreted as a “light echo” from the eruption ( ...
Chapter 13
... • Increased luminosity, expands outer surface to red supergiant sizes and temperature down to 2500 K • Carbon and silicon flakes (grains) form in this cool environment and are driven out by radiation pressure • The grains carry the gas into space – a planetary nebula is formed – and the inner core b ...
... • Increased luminosity, expands outer surface to red supergiant sizes and temperature down to 2500 K • Carbon and silicon flakes (grains) form in this cool environment and are driven out by radiation pressure • The grains carry the gas into space – a planetary nebula is formed – and the inner core b ...
Star Show FACILITATOR NOTES
... provide backup for the other teams. When every team has completed its primary assignment, program the coordinates into the calculator and start the show. Pause at each photograph and have students discuss the results. Emphasize to everyone that their grade will NOT be based primarily on their initia ...
... provide backup for the other teams. When every team has completed its primary assignment, program the coordinates into the calculator and start the show. Pause at each photograph and have students discuss the results. Emphasize to everyone that their grade will NOT be based primarily on their initia ...
Option E Sum Pages
... used. This is the distance travelled by light in one year (= 60 x 60 x 24 x 365 seconds = 31536000s) so 1 ly = 3.00 x 108 ms-1 x 31536000s = 9.46 x 1015 m The nearest stars are 4 ly (Alpha Centauri, a triple star) and 6 ly (Barnard's star) from us. For comparison, Earth is about 8 light minutes from ...
... used. This is the distance travelled by light in one year (= 60 x 60 x 24 x 365 seconds = 31536000s) so 1 ly = 3.00 x 108 ms-1 x 31536000s = 9.46 x 1015 m The nearest stars are 4 ly (Alpha Centauri, a triple star) and 6 ly (Barnard's star) from us. For comparison, Earth is about 8 light minutes from ...
E1 Introduction to the universe
... the matter could be found in Massive Astronomical Compact Halo Objects or MACHOs for short. There is some evidence that lots of ordinary matter does exist in these groupings. These can be thought of as low-mass failed stars or high-mass planets. They could even be black holes. These would produce li ...
... the matter could be found in Massive Astronomical Compact Halo Objects or MACHOs for short. There is some evidence that lots of ordinary matter does exist in these groupings. These can be thought of as low-mass failed stars or high-mass planets. They could even be black holes. These would produce li ...
