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Galileo and the physics of motion
Galileo and the physics of motion

... motion and force of gravity •  gravity causes elliptical orbits where planet moves faster when closer to the Sun as force of gravity is larger there •  Third Law actually D3 = (Mass(sun) and Mass(earth) ) x P2 D=distance from Sun and P=period •  As mass Sun much larger can mostly ignore mass planet ...
how to precisely measure astronomic periods of time
how to precisely measure astronomic periods of time

... astronomers first before he decided anything important. ...
Rocky planets energy budget
Rocky planets energy budget

... Coriolis forces prevent the direct transport from the equator to the poles The transport takes place via convection cells created in each hemisphere ...
- BIO Web of Conferences
- BIO Web of Conferences

... performed using remote sensing observations, nor with the in-situ instruments presently available on planetary landers or rovers. Another diagnostic can be used for (exo)planetary exploration: the measurement of isotopic ratios. In the case of carbon, the 12C/13C ratio can bring information about th ...
This graph is typical of a - Indiana University Astronomy
This graph is typical of a - Indiana University Astronomy

... Identify this Pictured Object – 10 points ...
What do we teach - Pender County Schools
What do we teach - Pender County Schools

... http://www.nsta.org/store Teacher created booklet about the Solar System for students to complete by using research techniques ...
3 Satellites of Other Planets
3 Satellites of Other Planets

... Talk About It ...
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6. Solar System Overview
6. Solar System Overview

... • Even hotter than Mercury: 470C, day and night © 2010 Pearson Education, Inc. ...
Sec 28.4 - Highland High School
Sec 28.4 - Highland High School

... Possible answer: As a comet approaches the Sun, ices in the comet vaporize, or turn to gas. Dust is also released as the comet dissipates. Particles and radiation streaming away from the Sun then push the gas and dust away from the Sun. The gas often forms a blue tail that points directly away from ...
Trippensee® Elementary® Planetarium
Trippensee® Elementary® Planetarium

... the north to the south pole. A person not moving on the surface of the earth will be carried by the earth's rotation through all the hours and back to his starting point in a twenty-four hour day. Earth The earth is one of the 9 principal planets of the solar system, the third from the sun, about 93 ...
Northrop Grumman Space Primer
Northrop Grumman Space Primer

... in size, temperature, and color. c. Students know how to use astronomical units and light years as measures of distances between the sun, stars, and Earth. d. Students know that stars are the source of light for all bright objects in outer space and that the moon and planets shine by reflected sunli ...
HERE - Dundee Astronomical Society
HERE - Dundee Astronomical Society

... December. The moon at this time will be showing a 97% lit waxing gibbous phase. This will be a fabulous opportunity to view and image if the weather and cloud permit. The occultation starts with gamma Tauri being occulted at 21:35 ut and ending after the Aldebaran occultation has completed at around ...
Precession of the Equinoxes and its Importance in Calendar Making
Precession of the Equinoxes and its Importance in Calendar Making

... ent path of the Sun in the celestial sphere remains the same, the moon and the planets show some deviations in their motions. The moon and the planets move to some extent towards north and south of the ecliptic. This deviation for the moon does not exceed much more than 5 degrees, while the planets ...
Final Revision Sheet Grade (1) Quarter (3) Multiple Choice
Final Revision Sheet Grade (1) Quarter (3) Multiple Choice

... ____7.292 27-Where can we see the sun? A. in the daytime sky only B. in the nighttime sky only C. in both the daytime sky and the nighttime sky ____ ...
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EARTH & SPACE SCIENCE

... This proposal was part of Einstein’s special theory of relativity. This theory included the equation: E = mc2 ...
Introduction to the Celestial Sphere
Introduction to the Celestial Sphere

... If you watch the skies for a few hours, you will note the apparent motion of this fictitious celestial sphere and all things on it. This apparent motion is caused by the spinning motion (rotation) of the Earth on its axis. ...
5th Curriculum Guide B
5th Curriculum Guide B

... Distinguishes and demonstrates the difference between contact forces and non-contact forces Illustrates how motion can be measured and represented on a graph Describes what happens when two forces act on an object in the same or opposing directions ...
STARS
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... generate their own energy by nuclear reactions in their super hot cores. This newly released energy flows from the stars’ hot interiors to the cooler surface layers, where the energy is radiated into space. We see that radiation and say the stars shine. ...
comet2
comet2

... Kepler soon discovered his famous law: the Earth's orbit around the Sun, and of all the planets, are ellipses. For example in January, the Earth is at perihelion, closest to the Sun, and in July at aphelion, farthest from the Sun. In Kepler's time distances between the planets and the Sun were not k ...
Spectroscopic parameters for 451 stars in the HARPS GTO planet
Spectroscopic parameters for 451 stars in the HARPS GTO planet

... mean metallicity of < [Fe/H] >= −0.09, while the metallicity distribution of stars known to harbor at least one neptunian planet corresponds to a mean metallicity of < [Fe/H] >= −0.03. Finally, stars known to host only neptunian planets have a mean metallicity of < [Fe/H] >= −0.21. These numbers imp ...
Final Unit Plan
Final Unit Plan

... moons or satellites (Cessna, 2009). Jupiter is often referred to as the prototype for Jovian planets, and is also the largest planet in the solar system. Its brightness can be viewed from earth with the naked eye. Although Jupiter is not known for beautiful rings, it, like all other Jovian planets, ...
Detection and spectroscopy of exo-planets like Earth J.R.P. Angel
Detection and spectroscopy of exo-planets like Earth J.R.P. Angel

Threats to Earth - World of Teaching
Threats to Earth - World of Teaching

... • Suggest and discuss possible actions which could be taken to reduce the threat of NEOs ...
printer-friendly version of benchmark
printer-friendly version of benchmark

... 2. Students have a misconception that nighttime visible stars are located within our solar system. Such a notion has been considered since the times of the ancient Greeks. Aristotle proposed a geocentric model of the solar system with Earth at the center. Crystalline spheres surrounded Earth. Each o ...
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Orrery



An orrery is a mechanical model of the solar system that illustrates or predicts the relative positions and motions of the planets and moons, usually according to the heliocentric model. It may also represent the relative sizes of these bodies; but since accurate scaling is often not practical due to the actual large ratio differences, a subdued approximation may be used instead. Though the Greeks had working planetaria, the first orrery that was a planetarium of the modern era was produced in 1704, and one was presented to Charles Boyle, 4th Earl of Orrery — whence came the name. They are typically driven by a clockwork mechanism with a globe representing the Sun at the centre, and with a planet at the end of each of the arms.
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