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STEM for TY Teachers
STEM for TY Teachers

... galaxies. They're bright and distinctly disk-shaped, with star-forming gas, dust and bright stars in the spiral arms. Because spiral galaxies are bright, they make up most of the visible galaxies, but they're thought to make up only about 20 percent of the galaxies in the Universe. ...
Distances and Sizes - University of Iowa Astrophysics
Distances and Sizes - University of Iowa Astrophysics

... So, how can we measure the distance to stars? • We want to use the largest distance we can for the short side of the big triangle • What is the largest distance we can get between the two telescopes (if both of them have to be on Earth – no spacecraft). ...
The Qur`an and Laws of Planetary Motion
The Qur`an and Laws of Planetary Motion

... translatory as well as rotational. Moreover, the sun is not only moving around the galaxy but also rotating about its axis; and it takes nearly twenty five days for one complete rotation about its axis. This can be checked very easily by looking at the changing positions of the sun spots. The altern ...
pheres Giant Planets
pheres Giant Planets

... flattening were determined during the first era of telescopic observation. Galileo's early views revealed the four large Jovian satellites that now bear his name. Newton estimated the mass and density of Jupiter from observations of those satellites' orbits. Others, using ever-improving optics, bega ...
Binary Star - Armagh Observatory
Binary Star - Armagh Observatory

... galaxies. They're bright and distinctly disk-shaped, with star-forming gas, dust and bright stars in the spiral arms. Because spiral galaxies are bright, they make up most of the visible galaxies, but they're thought to make up only about 20 percent of the galaxies in the Universe. ...
Solar system - Wikimedia Commons
Solar system - Wikimedia Commons

... heliosphere) that permeates the Solar System out to at least 100 AU (see heliopause). This is known as the interplanetary medium. The Sun's 11-year sunspot cycle and frequent solar flares and The heliospheric current sheet coronal mass ejections disturb the heliosphere, creating space weather.[34] T ...
15. Our Star - Astrophysics & Space Science at UMBC
15. Our Star - Astrophysics & Space Science at UMBC

The Big Dipper is a
The Big Dipper is a

... If your astrological sign is Aries, the Sun should be in the constellation Aries on your birthday. The dates, according to astrological tradition, during which the Sun is in the constellation Aries are: March 21 to April 20th. In which constellation is the Sun actually in, during this time period? a ...
Infinity Express-1
Infinity Express-1

... • The theory was the work of several diverse groups of researchers. • Presentation of results in scientific journals and at scientific conferences was a crucial part in both the development of the theory and in its distribution among scientists. • The impact theory gained favor only because it is co ...
There are numerous other ways in which human civilization could
There are numerous other ways in which human civilization could

... Now consider these probabilities: P(E), the probability of E P(H) the probability of H P(H|E) the probability of H given E P(E|H) the probability of E given H P(E,H) the probability of E AND H For any pair of events these are related by ...
Slide 1
Slide 1

... others in your group. Were there differences? Report out two Tier 2 words that are most likely to cause student confusion or misunderstanding ...
- ISP 205, sec 1 - Visions of the
- ISP 205, sec 1 - Visions of the

... 1 pt A giant hand suddenly moves the earth farther from the Sun. The temperature of the Earth cools. Which processwould certainly happen and cause the temperature to rise. 24. A Volcanoes are more active. B Plate tectonics become more active. C There is less rain. D There is more plant matter. ...
The Blurring Distinction between Asteroids and Comets
The Blurring Distinction between Asteroids and Comets

... observed to split into several pieces (Jewitt et al. 2014). Comets frequently have been observed fragmenting into several pieces, but this is a first for a main belt comet. Comet disruption can have several causes. The two most obvious causes of comet break up are tidal disruption and the buildup of ...
Answer key for Space study guide
Answer key for Space study guide

... **The length of day and night changes because earth's axis is tilted It is not straight up and down, it is tilted at an angle of 23.5 ° The seasons are caused by the tilt of Earth's axis and the revolution of the Earth around the sun The part of Earth having summer is not closer to the sun; it is ti ...
No Slide Title
No Slide Title

Chap. 13 Gravitational Interactions
Chap. 13 Gravitational Interactions

... caused by differences in the gravitational pull of the moon (and sun) on opposite sides of Earth. When a star runs out of fuel for fusion, it collapses under gravitational forces. Sufficiently massive stars collapse to form ...
Mankind`s Purple Dawn
Mankind`s Purple Dawn

Chapter 10 Center of Gravity
Chapter 10 Center of Gravity

Introduction to Astronomy - Northumberland Astronomical Society
Introduction to Astronomy - Northumberland Astronomical Society

... Galileo used a telescope to make astronomical observations. He discovered: The moons of Jupiter Mountains and craters on the Moon The Milky Way is comprised of countless stars The phases of Venus Sunspots on the Sun ...
Venus is the Roman goddess of love and beauty. She is known as
Venus is the Roman goddess of love and beauty. She is known as

... called the "morning star" or the "evening star." It is by far the brightest "star" in the sky. ~ Venus is a small, rocky planet blanketed in a thick layer of yellowish clouds. These clouds are not made of water (like the ones here on Earth). Instead, they are formed from a poison called sulphuric ac ...
Jupiter`s Enigmatic Moon
Jupiter`s Enigmatic Moon

... was as important then as now. It was Kepler and Simon Marius (who also claimed to have discovered the moons) who suggested naming them after Jupiter's lovers. They are now known collectively as the Galilean satellites. In 1675 the Swedish astronomer Ole Roemer noted that the intervals between 10 ecl ...
Today in Astronomy 111: asteroids, perturbations and orbital
Today in Astronomy 111: asteroids, perturbations and orbital

... But some locations in some of the mean-motion resonances offer protection against being scattered away by a planet.  Suppose, for instance, that an encounter resulted in an asteroid in an orbit just like Jupiter’s, but placed opposite the Sun from Jupiter. Then it stays away from Jupiter, and out o ...
Announcements THE OUTER PLANETS
Announcements THE OUTER PLANETS

... in terms of size and overall makeup ...
25.4 The Outer Solar System
25.4 The Outer Solar System

... • Scientists hypothesize that the tilt may have been caused by a collision with another large planetary body early in its history. ...
File
File

... Read the passage below. Then, answer questions 9–10. The Chandler Wobble In 1891, an American astronomer named Seth Carlo Chandler, Jr., discovered that Earth “wobbles” as it spins on its axis. This change in the spin of Earth’s axis, known as the Chandler wobble, can be visualized if you imagine th ...
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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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