Messier Marathon Admin: • Assignment 15 complete (10% penalty/day if you're late) Second mid-term Wednesday April 23rd Covers chapters 5, 10 and 11 Revise! NOTE: today…

Slide 1 Slide 2 Hi, I am the contents page button. If you click me then you can come back to this page. Slide 3 Hi, I am the star page button. Click on me and you will come…

1.Stars2. The Solar Neighborhood Neareststar to the Sun: Proxima Centauri which is a member of a 3-star system:Alpha Centauricomplex Model ofdistances :Sunis a marble,Earthis…

Slide 1 E2. Stellar Radiation & Stellar Types IB Physics Power Points Option E Astrophysics www.pedagogics.ca E.2.1 State that fusion is the main energy source of stars…

Star Apparent Mgn(s). Spectral Class Absolute Mgn(s). Light Yrs. Right Ascension Declination Surface Temperature Solar/Stellar Masses Altair (Aquila) 0.77 A7 V (White, Main…

Slide 1Twinkle, twinkle, little star, How I wonder... Slide 2 Why do stars twinkle?  The twinkling of stars (stellar scintillation) is caused by the refraction of light…

Slide 1Space News Update - September 12, 2014 - In the News Story 1: Story 1: NASA’s Orion Spacecraft Nears Completion, Ready for Fueling Story 2: Story 2: Curiosity Readies…

Slide 1 Structure of the Universe Astronomy 315 Professor Lee Carkner Lecture 21 “The Universe -- Size: Bigger than the biggest thing ever and then some. Much bigger than…

Slide 1 Earth Unique in the Solar System Total Eclipse of Sun Rainbows Snowflakes Liquid surface water Life –Diversity –50 million species Slide 2 Earth Unique in the…

Slide 1 Slide 2 Slide 3 Slide 4 Slide 5 Slide 6 Slide 7 Slide 8 * ** = Slide 9 Slide 10 Slide 11 Slide 12 Slide 13 Slide 14 Slide 15 SUMER spectra Slide 16 Continuum measurements…