Astronomy. Earth rotates or spins west to east or counterclockwise (ccw) on its axis. Axis is tilted 23 ½

This distance is called an Astronomical Unit (AU); It would take 11,780 Earths lined up side to side to bridge the 1 AU between Earth and Sun. The Solar System.

Avg rating:3.0/5.0. Slides: 13. Provided by: mattmc8. 2011-02-25 Astronomy. Earth rotates or spins west to east or counterclockwise (ccw) on its axis. Axis is tilted 23 ½ astronomy ppt - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. basic astronomy and solar system FIELD ASTRONOMY Prof.

– Ground-based telescopes. – Space telescopes. • The images Telescopes: The Tools of Astronomy. Types of Astronomical Instruments: The Human Eye Normally, magnifying power is the least important for astronomers. Astronomical observations. 5.

Measuring Distances in Astronomy with Geometry. Gravity and Other Forces. Ancient History of Astronomy.

Significant Figures: Example The Astronomical Unit au = 1.495978707 x 108 km (10) The speed of light c = 2.99792458 x 105 km/s (9) For the purposes of this course, c = 3 x 105 km/s (1) Recall that distance / velocity = time The average light-travel time to the Sun is 1 au/c, =

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Astronomy + Fusion. Evaluation group2: Molecular physics + cell + Material science. Evaluation group3: Earth sciences (Jordens vänner). Evaluation group4:.

The History of Sir Isaac Newton. Space, Time and Einstein. History of NASA and Space Exploration. Astronomy and Space Exploration: Present, Past and Future.

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WINNER! Standing Ovation Award: "Best PowerPoint Templates" - Download your favorites today! Astronomy Clubs www.hvaastronomy.com Books Star charts Planispheres Software Observing Tools - 1 Eyes Young eyes ~0.3”-0.4” telescopes Older Eyes ~0.25”-0.3” What if you wear glasses? Observing Tools - 2 Binoculars What to know about Roof Prisms Porro Prisms Coated/Uncoated BAK4, BAK7 Magnification Observing Tools - 3 Telescopes Refracting Reflecting Catadioptric What will you see?

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Galaxy – group of billion of stars that moves through spaces as a unit 4.