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Newbury HumanOrrery TPT
Newbury HumanOrrery TPT

... description of the preparation and facilitation.8 An orrery, like the one in Fig. 1, is a mechanical model of the solar system that shows the orbital motion of the planets and moons when you turn a crank. Figure 2 shows the human orrery, where the orbit of each planet is laid out in a large, open ar ...
Solar System
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...  Universe: all of space and ________________________________________________  Galaxy: A large group of __________________________________, solar systems, and associated gas and dust in space that is bound by _____________________________  Solar System: Composed of one or more ____________________ ...
The Solar System - uheledsciencemethods
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Seasonal Motion
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Pd. 4 Solar System Acts
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... What does Venus’s atmosphere do that is different for the rest of the planets? ...
Our Solar system
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... Go over what a plane is in geometry and have discuss how to use a plane and what it is for. Have them discuss how big each square is in the plane. Ask how many millimeters are in a centimeter. Have each group start designing their planet using Tinkercad. They should play around with the scale. Have ...
KS2 Primary Teacher Document The Solar System Experience 18
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... sun (and the new planet that has been found!).  The relative sizes of the planets and their distance from the sun.  The sun is a star at the centre of our solar system.  The sun, earth and moon are approximately spherical bodies.  That some of the planets have moons and the number of moons for e ...
Slide 1
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Astronomy Library wk5.cwk (WP)
Astronomy Library wk5.cwk (WP)

... Near the end of the formation of the planets, a period of heavy bombardment occurs as the planets sweep up any remaining debris in the Solar System. It is during this period, about 4 to 4.5 billion years ago, that most of the craters seen on planetary surfaces were formed. Predictions of the Solar N ...
Ancient Astronomy
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... • Having measured the position of a new star (now known as Tycho’s supernova), and observed no parallax, he concluded that it was farther away than the Moon. • This led him to question the Ptolemaic theory, according to which objects farther away than the Moon were celestial (therefore perfect) and ...
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Descriptive Astronomy (ASTR 108)

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Introductory Physics I (54

... d) metals sank to the center during a time when the interiors were molten throughout. e) radioactivity created metals in the core from the decay of uranium. 23) How do we know that the Moon's maria are younger than the terrae? a) there are fewer volcanoes on the terrae b) the dust layer on the terra ...
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... cover on Exam 3. Note that not all topics on this sheet will necessarily be on the exam. Also, because we are talking about planets, you do need to know some basics of planetary orbits that we’ve been using throughout this section of the class, as described. Telescopes: • Diameter, Focal Length, & I ...
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... C. all planetoidal objects gravitationally competed for between Uranus and Neptune. D. all planetoidal objects dispersed throughout the solar system. ...
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... 1. Which planet is 3.9x the diameter of earth? Which is 4.0x? 2. What is the current explanation for the low albedo of many Uranian & Neptunian moons? 3. Why did astronomers suspect that an 8th planet existed before it was actually discovered? 4. Which moon will probably fall within its primary’s Ro ...
formation of the solar system
formation of the solar system

... above Earth’s North Pole) and with fairly small axis tilts, i.e. less than 25 degrees. 5. Almost all moons orbit planet in same direction as planet’s rotation and near the planet’s equatorial plane. 6. Sun rotates in same direction in which planets orbit ...
Trans Neptunian Objects (TNOs)
Trans Neptunian Objects (TNOs)

... Sun at faster speeds and within a two year period. Temperatures are warmer, being closer to the Sun and there are few moons (only three). All the outer planets have ring systems, are very cold and have large numbers of moons in orbit around them. There is a gap where a planet had been thought to orb ...
Journey to the Stars: Activities for Grades 6-8
Journey to the Stars: Activities for Grades 6-8

... Draw students’ attention to all eight planet models. Remind students that the 87-foot Hayden Sphere represents the size of the Sun. Ask students to observe the planets’ relative sizes. Read planet information provided on the accompanying panels, and use that information to complete their worksheets. ...
Dwarf Planet
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... Click Dwarf Planets on the sideIf the sun were as tall as a typical front door, Earth would be the size of a nickel and dwarf planets Pluto and Eris, for would each be about the size of the head of a pin. Dwarf planets orbit our sun, a star. Most are located in the Kuiper Belt, a region of icy objec ...
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science - TCDSB.org

... When we rotate away from the sun, we have night. ...
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... galaxies are moving. By examining spectra, astronomers can tell how fast the galaxy is moving and whether it is moving toward our galaxy or away from it. Hubble, 1929, knew most galaxies had a red shift in their spectra, indicating that all galaxies are moving away from their spectra. The farther aw ...
Link to Unit 9
Link to Unit 9

... SC.8.E.5.4 Explore the Law of Universal Gravitation by explaining the role that gravity plays in the formation of planets, stars, and solar systems and in determining their motions. SC.8.E.5.7 (AA) Compare and contrast the properties of objects in the Solar System including the Sun, planets, and moo ...
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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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