# Lecture Notes for ASTR 1030 - Accelerated Introductory Astronomy 1 at Colorado (CU)

## Notes Information

 Material Type: Study Guide Professor: Staff Class: ASTR 1030 - Accelerated Introductory Astronomy 1 Subject: Astrophysical & Planetary Sciences University: University of Colorado - Boulder Term: -- Keywords: Neap Tides OccurTidal BulgeSidereal DayConstellationPartial Solar EclipseEratosthenesConstellationsSpring TidesHigher TemperaturesIsaac Newton

## Sample Document Text

ASTR 1030, Accelerated Solar System Astronomy Midterm 1 Study Sheet Reading: Chapters 1-4. I. SCALE OF THE UNIVERSE 1. Powers of 10 .10 0 = 1 10 3 = 1,000 Kilo 10 6 = 1,000,000 Mega 10 9 = 1,000,000,000 Giga 10 12 = 1,000,000,000,000 Tera 10 15 = 1,000,000,000,000,000 2. Our place in the universe Local Supercluster: ~10 24-25 m. Local Group: ~10 22-23 m The Milky Way Galaxy: ~10 21 m. The Solar System: ~10 13 m. Earth: ~10 7 m. Colorado: ~10 6 m. Boulder: 4 m. Duane Physics: ~10 2 m. Mailbox: ~10 -1 m. 3. Units of distance: meter: ~39 inches or 10% larger than a yard. km: 1000 m cm: 0.4 inch Astronomical Unit or A.U.: The distance between Sun and Earth; 150,000,000 km, or 1.5x10 11 m. We use AU for distances within the solar system. Light year: The distance light travels in one year. ~10 16 m. We use light years for distances between stars. 4. Velocity, Distance, and Time 5. Acceleration: 6. Ratios Rat...

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