Final Cheat Sheet

Final Cheat Sheet - NOTES REFERRENCED WITH CORRESPONDING...

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NOTES REFERRENCED WITH CORRESPONDING HOMEWORKS Objects around earth
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NOTES REFERRENCED WITH CORRESPONDING HOMEWORKS
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NOTES REFERRENCED WITH CORRESPONDING HOMEWORKS Circumpolar stars stars that never set Polaris
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NOTES REFERRENCED WITH CORRESPONDING HOMEWORKS Kirchhoff's Laws If you have a luminous solid, luminous liquid, or hot opaque gas, you get a continuous spectrum If you have a hot or heated has, then you get an emission line spectrum If you have a backlit, cool gas, you get an absorption line spectrum Red Shift : longer wavelength light - light source or object is moving away - looks redder Blue Shift : smaller wavelength light - light source or object is moving towards - looks bluer Photographic Plates - put them at the focal plane Charged Coupled Device - sit in digital cameras Spectrographs : Disperser (Prism) (Diffraction Gratings – transmissive – light goes through, reflective) Detector (PP) (CCD) Radio Astronomy (Jansky – grandfather of radio astronomy) (Greeber – dish better than antenna) Reflectors (Mirrors) vs. Refractors (Lenses) Interferometry - Multiple telescopes - different phases for every telescope - Bring the waves together P – longitudinal – solid and liquid S – transverse – solid Nebular Theory – Disk- Disk is too hot - No way to release energy
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This note was uploaded on 01/22/2012 for the course ASTR 101 taught by Professor Christiansen during the Fall '08 term at UNC.

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Final Cheat Sheet - NOTES REFERRENCED WITH CORRESPONDING...

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