Apparent Motions of the Sun

Apparent Motions of the SunDo 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?

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

Also used for direction.

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

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

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

Does the sun actually “rise”?

What is actually moving?

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.

Rotation vs. Revolution

Foucault pendulum & the Coriolis Effect

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

Proof of Earth’s Rotation

Aim: What causes the Seasons?

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

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

direction should the garden face to maximize sunlight?

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

about 42*South?

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

Northern Hemisphere?Why?

Remember! It’s all about the TILT

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

New York? Hawaii? Alaska?

Apparent Motions of the Sun

Documents

11-4-10 Aim: What are the apparent motions of the stars and planets?

The sun dial is the representation of the sun and moon’s cyclical motions that may be observed in the zodiac belt

How light can trick us. Apparent depth Flattened sun and sunsets Mirages Shimmering Rainbows

Unit 4 Motions of Earth, Moon, and Sun. Apparent Motions of Celestial Objects Apparent Apparent motion is the motion an object appears to make. Can be

Apparent Motions of Celestial Objects. An apparent motion is a motion that a celestial object appears to make across the sky. The “actual motion” may

Motions of the Earth, Sun and Moon

Solar Energy, the Atmosphere and Biomes. Earth-Sun Relationships Earth’s Motions Earth has two principal motions—rotation and revolution Earth’s Orientation

Motions of the Night Sky Stars, Sun, Moon, Planets

The Earth-Moon-Sun System. Motions of the Earth 1.Rotation 2.Revolution 3.Precession

The Earth-Moon-Sun System Chapter 22, Section 2. Motions of the Earth The two main motions of Earth are rotation and revolution Rotation – the turning,

Chapter 1 Predicting the Motions of the Stars, Sun, and Moon

The Earth-Moon-Sun System. The Earth has a few different motions associated with it. The two main motions are rotation and revolution. Rotation is the

Earth, Moon & Sun Seasons & Tides. Essential Standards 6.E.1Understand the earth/moon/sun system, and the properties, structures and predictable motions

1 Rotations, Revolutions and Apparent Motions of Heavenly Bodies: Otherwise - Laws of Motion

APPARENT PATH OF THE SUN

Motions of Earth, the Moon, and Planetsmrqawwasscience.weebly.com/uploads/1/0/8/5/... · Earth’s Rotation The apparent motion of the Sun in the sky is caused by the rotation of

What are the apparent motions of celestial objects?

Topic: Apparent Path of the Sun

Apparent Motions of Celestial Objects

Name: A) apparent rising and setting of the Sun …...C) apparent rising and setting of Polaris during one day D) seasonal changes in the apparent positions of constellations 2) How