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The Sun
The Sun

... Ganymede’s solid ice crust is thought to be about 75 km (about 45 mi) thick. Some scientists believe that the moon’s mantle, the layer that underlies the crust, may contain liquid water or ice slush. The moon’s surface is a combination of old, heavily cratered dark areas and younger light areas. Unl ...
TOC two
TOC two

... Ganymede’s solid ice crust is thought to be about 75 km (about 45 mi) thick. Some scientists believe that the moon’s mantle, the layer that underlies the crust, may contain liquid water or ice slush. The moon’s surface is a combination of old, heavily cratered dark areas and younger light areas. Unl ...
NAME: CLASS: 1 Solar System Formation: PowerPoint Notes Sheet
NAME: CLASS: 1 Solar System Formation: PowerPoint Notes Sheet

... Ka Hana ‘Imi Na‘auao – A Science Careers Curriculum Resource Go to: www.cds.hawaii.edu/kahana ...
exercise 2
exercise 2

... Ganymede’s solid ice crust is thought to be about 75 km (about 45 mi) thick. Some scientists believe that the moon’s mantle, the layer that underlies the crust, may contain liquid water or ice slush. The moon’s surface is a combination of old, heavily cratered dark areas and younger light areas. Unl ...
Outer Planets: The Ice Giants
Outer Planets: The Ice Giants

... planets may have migrated inward or outward, ejecting some objects from the solar system and swallowing others. The giant planets most likely delivered water and other volatiles, in the form of icy planetesimals, to the inner solar system from the region around Neptune. The “gas giants” Jupiter and ...
Educator`s Guide
Educator`s Guide

... If yellow poster-board or paper is used for the Sun, tape the circle upright on something so that it can be seen from each planet. Then, have the students note the apparent size of the Sun as seen from each planet. (This is how large the sun would actually appear from each planet). ...
In the Spring of 2007 two of us began planning a new course in
In the Spring of 2007 two of us began planning a new course in

... b. The Moon is somewhat flattened and disk-like. It appears more or less round depending on the precise angle from which we see it. c. Earth’s clouds cover potions of the Moon resulting in the changing phases that we see. d. The sunlight reflected from Earth lights up the Moon. It is less effective ...
meteor
meteor

... years ago. • Contain many of the organic materials thought to be essential for life ...
Jupiter
Jupiter

... Jupiter radiates, or gives, much more energy into space than it receives from the sun. Two Pioneer missions, 2 Voyager missions and 1 Galileo mission have all studied Jupiter. Galileo sent a probe to the Jupiter’s atmosphere in 1995 that sent back data on the atmosphere composition, temperature and ...
THE SOLAR SYSTEM OUR SOLAR SYSTEM IS THOUGHT TO BE
THE SOLAR SYSTEM OUR SOLAR SYSTEM IS THOUGHT TO BE

... TO BE THE ORIGIN OF MOST COMETS. ...
ASTRONOMICAL PARAMETERS OF THE EARTH AND THE SUN
ASTRONOMICAL PARAMETERS OF THE EARTH AND THE SUN

... the earth, and subtends and angle of 31’ 59” at the centre of the earth. The mass of the sun is about 332,000 times that of the earth. The temperature at the centre of the sun is computed to be about 20 million degrees. The sun has twp apparent motions, one with respect to the earth from east to wes ...
What is a Planet
What is a Planet

... •Also formed 4.5 billion years ago with the same materials as Earth. •Venus is similar but does NOT have Plate Tectonics. •Although, Venus’s surface is covered in mountains, plains and very active volcanoes. •Over 20 probes have been sent to Venus to explore its atmosphere and surface! ...
Fact Sheet
Fact Sheet

... Objective – Using references, I can identify properties and characteristics of planets. ...
Brief History of Earth
Brief History of Earth

... A Mars-sized object crashes into Earth creating debris that ends up in orbit around the Earth, eventually coalescing through accretion to form the Moon. 4.6 Ga As the solar disk cools down, orbiting material collides and clumps to form larger objects (accretion). Continued accretion led to larger bo ...
spring_2002_final - University of Maryland Astronomy
spring_2002_final - University of Maryland Astronomy

... A. stars are not hot enough to emit many X rays. B. stars are too hot to emit many X rays. C. X rays can only be produced in explosions. D. stars do not rotate fast enough to produce X rays. E. stars are not red shifted enough to produce X rays. 43. Astronomers have recently discovered some pairs of ...
Hunting for Extrasolar Planets: Methods and Results
Hunting for Extrasolar Planets: Methods and Results

... Big surprise in 1995: Radial velocity curve of star 51 Pegasi shows large radial velocity amplitude and orbital period of days, not years! Must be giant planet very close to its parent star. ...
Chapter 21
Chapter 21

... Our Solar System the BIG idea Planets and other objects form a system around our Sun. ...
File - We All Love Science
File - We All Love Science

... • Galilean moons (Io, Europa, Ganymede, Callisto) are very large – All but Europa are larger than our Moon – Ganymede is largest moon in our Solar System – Amalthea, 5th largest, is much smaller ...
What is a Planet
What is a Planet

... There are 4-5 Dwarf Planets in our Solar System; Pluto, Eris, Makemake, Haumea ( Eris, Makemake, Haumea are all found in the Kupier Belt) and a very large asteroid called Ceres. What is a Planet? – In 2006 the International Astronomical Union define a planet as an object that orbits the sun with suf ...
What is the sun?
What is the sun?

... 2.Is it easy to make new medicines in space?Why? 3.What does Dr.Zhang do in the afternoon? 4.How does she walk in space? ...
Planets, Dwarf Planets and moons of our Solar System
Planets, Dwarf Planets and moons of our Solar System

... There are 4-5 Dwarf Planets in our Solar System; Pluto, Eris, Makemake, Haumea ( Eris, Makemake, Haumea are all found in the Kupier Belt) and a very large asteroid called Ceres. What is a Planet? – In 2006 the International Astronomical Union define a planet as an object that orbits the sun with suf ...
PLANETS - NIU College of Education
PLANETS - NIU College of Education

... This website contains space games, stories and activities that a student could either do at home or in the computer lab at school. They are easy to follow, and they are both informative and fun. ...
Comets, Asteroids, and Meteorites
Comets, Asteroids, and Meteorites

... In addition to the Sun and planets, our Solar System contains many small bodies known as asteroids, comets, and meteoroids. Although these bodies often have distinguishing characteristics, the classification of them can sometimes cause controversy. For example, some moons may actually be asteroids ...
Your Star:  _____________________ d = 1 / p
Your Star: _____________________ d = 1 / p

... * Normally, we compare the brightness to another (distant) star instead of the Sun, since the Sun is obviously much brighter and closer than other stars. We use the Sun here because we want to use solar units throughout. ...
Document
Document

... Dear Earthlings, In order to please the alien creature who poses as "Mr.L" in room 105, you will have to complete the following interplanetary tasks... 1. Create a chart comparing each planet's position in regards to the sun, each planet's revolution and rotation rate and compare the number of natur ...
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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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