Notes
Help!
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| List all 8 Planets | Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune
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| Name the 4 Terrestrial Planets | Mercury, Venus, Mars, and Earth
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| Name the 4 Jovian Planets | Jupiter, Saturn, Uranus, and Neptune
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| What is the hottest Planet? | Venus
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| What is the largest volcano in the Solar System? and which Planet does it exist on? | Olympic Mons; Mars
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| What is the largest Planet? | Jupiter
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| List 2 characteristics of Jupter | Equitorial bulge; Rings
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| What is the fastest spinning Planet? | Jupiter
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| What is the most volcanically active object in space? | Io; a moon of Jupiter
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| What is the largest moon of Jupiter? | Ganymede
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| What is the surface of Jupiter's moon, Callisto? | A sub surface ocean
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| What is the least dense Planet? | Saturn
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| What Planet has the largest equatorial bulge? | Saturn
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| Which Planet has the largest ring system? | Saturn
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| What is Saturn's largest moon? | Titan
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| Which is the only moon with an atmosphere? | Titan
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| What is Uranus's tilt? | 98 Degrees
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| What is the most dense Jovian Planet? | Neptune
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| Which law explains the positions of planets in AU? | Titius-Bode Law
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| Who found the Asteroid Belt? | Giuseppe Piazzi
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| What is the largest Asteroid? | Ceres
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| What is the distance where Asteroids do not exist? | "Kirkwood" gaps
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| What are NEO's? | Near Earth Objects
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| What is a Type 1 Comet? | Ion Tail
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| What is a Type 2 Comet? | Dust Tail
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| What is a Radiant Point? | The point in the sky from which the meteors APPEAR to be coming from
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| How far away is the Sun from the Earth? | 93 Million miles
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| What are the 3 Mechanisms of Heat Transfer? | Conduction, Convection, and Radiation
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| How does the Sun produce energy? | Nuclear Fusion
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| When does Nuclear Fusion occur? | 10 Million Kelvin
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| What causes sunspots? | Magnetic Fields
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| What is the surface temperature of the Sun? | 5500 Kelvin
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| What are the 3 basic things on the Sun's surface? | Spicules, Prominences, and Solar Flares
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| What are Spicules? | Grass-like columns
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| What are Prominences? | Hydrogen suspended by a magnetic field
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| What are Solar Flares? | Sun Quakes
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| What is star brightness measured in? | Magnitude
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| Who came up with ranking Brightness? | Hipparchus
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| Who started "apparent magnitude" and used m? | N.R. Pogson
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| What is the brightest star? | Sirius
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| What is Absolute Magnitude? | (M) is apparent magnitude at a fixed distance
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| What is Apparent Magnitude? | (m) is based on what we can see
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| What is not accounted for in Absolute Magnitude? | Distance
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| What is a Parallax? | the "movement" of stars because of Earth's rotation
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| If a star appears to move a lot... | it is closer
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| What is Luminosity? | Power emitted by a star
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| What is the Wien Displacement Law? | Color and Temperature are related
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| What is Stefan-Boltzmann Law? | Brightness and Temperature are related
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| What is the Spectral Classification? | (hottest) OBAFGKM (coolest)
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| What color are O, B, A stars? | Bluish-White
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| What color are F, G stars? | Yellowish
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| What color are K, M stars? | Orange-Redish
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| What is the Spectral Classification of the Sun? | G-2-V
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| What are the Luminosity Classes? | The stages of stars
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| What is the 5th (V) class? | The Main Sequence
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| What is the HR diagram? | Graph of Brightness vs Color of stars
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| Where do 90% of all stars lie along? | The Main Sequence
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| What are the 3 types of Star Motion? | Radial, Proper, and Wobble
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| What is Radial star motion? | Moving toward us
(blue = toward) (red = away)
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| What is Proper star motion? | Across horizontally
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| What is Wobble star motion? | Wobble due to gravity
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| What is a Variable Star? | One that changes Brightness
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| What do Variable Stars serve as? | Indicators of Distance
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| What is the most common Variable Star? | Cephed
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