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PowerPoint
PowerPoint

... The first eon of Earth’s history, from about 4.5 to 3.8 billion years ago, is named the hadean after hades, the Greek word for hell because of the intense heat on Earth. Most original rock from this period was melted and recycled into Earth’s crust, so very few samples remain from our planet’s forma ...
Greek Astronomy - Galileo and Einstein
Greek Astronomy - Galileo and Einstein

... the line of sight from the earth, given its position on the cycle and on the epicycle, needs trigonometry. Hipparchus developed trigonometry to make these calculations possible. Ptolemy wrote the “bible” of Greek (and other ancient) astronomical observations in his immense book, the “Almagest”. This ...
2. Answer Key Practice Test, Topic 3
2. Answer Key Practice Test, Topic 3

... 36. Base your answer to the following question on the diagrams below. The diagrams represent the events that occur when a large meteor, such as the one believed to have caused the extinction of many organisms, impacts Earth's surface. Diagram A shows the meteor just before impact. Diagram B represe ...
Charting The Universe - University of Windsor
Charting The Universe - University of Windsor

... • …are winter and summer constellations, respectively, for the northern hemisphere.. • However, from the perspective of earth, the Sun rises (with respect to the background stars) in the constellations of Cancer in the summer and Capricorn in the winter. • These highest and lowest elevations along t ...
Space - cloudfront.net
Space - cloudfront.net

... the centre of the universe. It is actually made up of billions of stars. Without the sun earth would never survive as it gives heat and light that the earth needs to support life It is the sun that gives light to the moon. The moon reflects the suns light ...
Space and the Solar System
Space and the Solar System

History of Astronomy
History of Astronomy

... challenge the Earth-centered idea? Copernicus (1473–1543): • Proposed Sun-centered model ...
As two continental plates move toward each other, what landforms
As two continental plates move toward each other, what landforms

... 7. The moon and the sun appear to move across the sky each day because of A. the Sun’s movement in the sky B. the Earth’s revolution around the sun C. the Earth’s rotation on its axis D. the Moon’s shadow on the Earth ...
Paush – Indication of Weather Here I would like to
Paush – Indication of Weather Here I would like to

Planets of Our Solar System
Planets of Our Solar System

... was Geocentric (Earth Centered) • Early Greeks created this model • Problems with it included retrograde motion of planets (a figure 8 path) ...
The Sun: close-up of a spectral class G main sequence star
The Sun: close-up of a spectral class G main sequence star

... The Sun: close-up of a spectral class G main sequence star ...
Unit 3 *The Solar System* 6th Grade Space Science
Unit 3 *The Solar System* 6th Grade Space Science

... – the only star in the Solar System. (Heliocentric Model) ...
THE SOLAR SYSTEM
THE SOLAR SYSTEM

... Jupiter is the largest planet in the Solar System. It takes Jupiter only 10 hours to rotate completely on its axis. It takes Jupiter 4,331 Earth days to complete its orbit around the Sun. Its diameter is 88,846 miles , more than 11 times that of Earth, and about one-tenth that of the sun. It would t ...
PDF, 95k
PDF, 95k

... The transits of 6 June 1761 and 3 June 1769 were marked by major international observational campaigns involving many locations around the world. The first person to observe a transit of Venus was Jeremiah Horrocks in 1639. He envisaged using the transit to calculate the Earth–Sun distance. Sir Edmu ...
ASTRONOMY TEST THE SUN
ASTRONOMY TEST THE SUN

... 1. _____ Sunspots are cooler than their surrounding area. 2. _____ Sunspots are more magnetic than their surrounding area. 3. _____ Sunspot activity peaks every 15 years. 4. _____ Fusion is the separation of Hydrogen isotopes 5. _____ Sunspots occur most near the poles 6. _____ Sunspots last from 80 ...
Earth Dimensions
Earth Dimensions

... the outer most layer of the earth. Approximately 100 km thick, the lithosphere is the portion of the crust and mantle that contain the plates which move around forming earth's features. ...
chapter_5_lecture_notes
chapter_5_lecture_notes

2016-0620-Mountain-Skies
2016-0620-Mountain-Skies

... Jupiter is the brightest of the planets up tonight. (Venus is brighter but is now hidden behind the sun.) As soon as the sky darkens, we’ll find Jupiter just a bit west of due south and high up in the sky since he is hanging around the hind feet of Leo the lion. Down and to the east we’ll note Mars ...
Tycho Brahe & Johannes Kepler
Tycho Brahe & Johannes Kepler

For Chapter 16 on November 26, 2012
For Chapter 16 on November 26, 2012

Space exploration - Menihek Home Page
Space exploration - Menihek Home Page

... between stars (like the theory of how the moon was formed). 2. The Nebular Hypothesis: this theory states that the Sun and planets were formed when a large nebula condensed and formed together by gravity. It is suggested that a nearby star could have exploded and started the condensing of the nebula ...
Who Wants To Be A Millionaire?
Who Wants To Be A Millionaire?

... What is the name of the Planet that is no longer classed as a planet? A B ...
Presentation for perspective graduate students 2006
Presentation for perspective graduate students 2006

... •A star has a radius half of that of the Sun and a luminosity equal to 60% of that of the Sun. What’s the star’s surface temperature? The surface temperature of the Sun is 5800K. A.7220 K B.6650 K C.4660 K D.3610 K ...
Astronomy 1 – Winter 2011
Astronomy 1 – Winter 2011

... • A star has a radius half of that of the Sun and a luminosity equal to 60% of that of the Sun. What’s the star’s surface temperature? The surface temperature of the Sun is 5800K. A.  7220 K B.  6650 K C.  4660 K D.  3610 K ...
Slide 1 - MisterSyracuse.com
Slide 1 - MisterSyracuse.com

... To sum it up, light travels very quickly. Indeed, astronomers use light to measure distances. A light year is defined as the distance that light travels in one year. This is equal to 9,460,528,400,000,000 (nine quadrillion, 460 trillion, 528 billion, 400 million) meters! Gosh! Taking this even furth ...
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Astronomical unit

The astronomical unit (symbol au, AU or ua) is a unit of length, roughly the distance from the Earth to the Sun. However, that distance varies as the Earth orbits the Sun, from a maximum (aphelion) to a minimum (perihelion) and back again once a year. Originally conceived as the average of Earth's aphelion and perihelion, it is now defined as exactly 7011149597870700000♠149597870700 meters (about 150 million kilometers, or 93 million miles). The astronomical unit is used primarily as a convenient yardstick for measuring distances within the Solar System or around other stars. However, it is also a fundamental component in the definition of another unit of astronomical length, the parsec.
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