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Midterm Review - Coggle Diagram
Midterm Review
Basic Astrophysics
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A brief history of the universe: big bang, inflation, recombination and CMB, reionization, formation of stars and galaxies, today
Background Knowledge
Coordinates and Time
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Time
Keeping track of a day: sidereal day vs. solar day, apparent and mean solar time, LST, UT, UTC, JD
Keeping a year, and why we need leap years
Light
EM Spectrum, basic units and ways of describing the light
Magnitude and related definitions, distance modulus, photometric bands
Quantities for light (flux, surface brightness etc.), blackbody radiation definition, basics, and its characteristics
Spectra, spectral types, relation to blackbody, HR diagram
Atmosphere: Extinction (also from ISM), airmass, and other atmospheric effects
Telescopes
Basics, basic optics definitions and descriptions, components and types of telescopes, aberration basic
Quantities describing the performance of a telescope: the optics, and PSF and angular resolution
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Observational Skills
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Imaging and Photometry
CCD
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Key characteristics, quantify performance
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