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Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?

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Page 1: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?

Apparent Motions of the SunDo Now: Look at this picture of the Rising Sun. What direction is the camera pointing?

Page 2: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?

Rises?Sets?

Midday? Useful for? Telling time and direction

How does it tell time and direction?

Page 3: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?

Sun Dials: Indicate time by the movement of the sun across the sky according to the shadow it forms.

Also used for direction.

Page 4: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?

What direction is the shadow in? Where is the sun? So what time is

it?

Page 5: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?

It’s 12 noon, which way is this guy facing?

Page 6: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?

http://www.eram.k12.ny.us/education/components/docmgr/default.php?sectiondetailid=17500&fileitem=633&catfilter=333

http://science.sbcc.edu/~physics/flash/LengthofDay.swf

http://www.eram.k12.ny.us/education/components/docmgr/default.php?sectiondetailid=17500&fileitem=633&catfilter=333
http://www.eram.k12.ny.us/education/components/docmgr/default.php?sectiondetailid=17500&fileitem=633&catfilter=333
http://science.sbcc.edu/~physics/flash/LengthofDay.swf
http://science.sbcc.edu/~physics/flash/LengthofDay.swf
Page 7: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?

Does the sun actually “rise”?

What is actually moving?

Page 8: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?

Our system of time is based on the apparent motion of the sun across the sky. The motion of any object across the sky is apparent because it is not moving as it appears to be.

Page 9: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?

Rotation vs. Revolution

Page 10: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?

Foucault pendulum & the Coriolis Effect

http://www.classzone.com/books/earth_science/terc/content/visualizations/es0403/es0403page01.cfm

Proof of Earth’s Rotation

http://www.classzone.com/books/earth_science/terc/content/visualizations/es0403/es0403page01.cfm
http://www.classzone.com/books/earth_science/terc/content/visualizations/es0403/es0403page01.cfm
http://www.classzone.com/books/earth_science/terc/content/visualizations/es0403/es0403page01.cfm
Page 11: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?
Page 12: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?

Aim: What causes the Seasons?

Page 13: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?
Page 14: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?

During which time of year is the Angle of the sun highest in New York? Hawaii? Any place in the Northern Hemisphere

Page 15: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?
Page 16: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?
Page 17: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?
Page 18: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?
Page 19: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?

You decided to plant a garden in your NY backyard, in which

direction should the garden face to maximize sunlight?

Page 20: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?

Approximately how many hours of sun-light does the North pole receive on March 23rd? How

about 42*South?

Page 21: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?

During which time of year is the Angle of the sun highest in New York? Hawaii? Any place in the

Northern Hemisphere?Why?

Page 22: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?
Page 23: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?

Remember! It’s all about the TILT

Page 24: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?
Page 25: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?

During which time of year is the duration of Insolation the Least in

New York? Hawaii? Alaska?

Page 26: Apparent Motions of the Sun Do Now: Look at this picture of the Rising Sun. What direction is the camera pointing?

Sun-Relative Pointing for Dual-Axis Solar Trackers Employing … · SANDIA REPORT SAND2014-3242 Unlimited Release April 2014 Sun-Relative Pointing for Dual-Axis Solar Trackers Employing

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Tuck Pointing Summaries

Teorema Pointing

Apparent Motions of the Sun

Pointing at Him

Pointing Error Budgeting for High Pointing Accuracy ...peet.estec.esa.int/files/AIAA 2013-5251.pdf · Pointing Error Budgeting for High Pointing Accuracy Mission using the Pointing

1. Introduction - NASA · The factor A is the fraction of incident power that is actually picked up by the receiver/antenna η system. Poor focussing or pointing cause an apparent

Time. All measurements of time are based directly on the apparent movements of the sun

Let’s observe a solar clock and try to understand the apparent course of the sun

Finger pointing

Stars !. Common NameScientific NameDistance (light years)Apparent MagnitudeAbsolute MagnitudeSpectral Type Sun--26.724.8G2V Proxima CentauriCentauriV645

Sun Web Results N Ark Results - foytrentdogshows.comfoytrentdogshows.com/results/Sun Breed Results N Ark 2010.pdf · Wirehaired Pointing Griffons Wirehaired Pointing Griffons, Bred‐By‐Exhibitor

Direct Pointing

Constellations & Stars...B. Ecliptic •–the plane of the Earth’s orbit around the sun •The apparent path that the sun (and planets) appear to move along against the star background

Topic: Apparent Path of the Sun

APPARENT PATH OF THE SUN

NAMG POINTS SUN MON Pointz SAT TOTAL All Rights Re erve .1 ... · NAMG POINTS SUN MON Pointz SAT TOTAL All Rights Re erve .1 01 Pointing Kids in the Right Direction

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Pointing Towards Extraordinary