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Subject: Earth Science Grade: 11 Unit #: 1 Title: Astronomy
Subject: Earth Science Grade: 11 Unit #: 1 Title: Astronomy

... script or radio broadcast regarding possible influences objects from space can have on Earth. The debate or podcast will include information about how Earth’s solar system formed and changed over time, Earth’s distance from the Sun and its orbit, as well as Earth’s place in the galaxy and the galaxy ...
Star - University of Pittsburgh
Star - University of Pittsburgh

... what the future will be. Need to understand the physical process occurring, and need to MODEL those processes. An accurate model allows one to probe the past and extrapolate into the future (i.e., to make predictions). Models have various levels of complexity. Models can tell you: 1. When a future l ...
A Solar System - Cloudfront.net
A Solar System - Cloudfront.net

... revolve around black holes. ...
Lec4_2D
Lec4_2D

... Example of Gravity – a Planetary Orbit Imagine a planet moving sideways with respect to the Sun. Newton’s first law says that it will continue to move sideways. But the law of gravity says that it will also be pulled towards the Sun. The result is a combination motion, in which the planet falls tow ...
Constellations appear to move across the sky at night because
Constellations appear to move across the sky at night because

... showed Earth could orbit the Sun and not lose its moon, too. ...
Ancient to Modern Astronomy
Ancient to Modern Astronomy

... 1. Imaginary sphere around the Earth in which stars in space appear – It is not physical as the ancients believed! 2. Represents only the stars we can see with our eyes. And the are fixed (So no, planets, exoplanets, pulsars, other stars we can’t see, etc…) 3. Earth centered ...
Astrophysics - Student Reference Packet
Astrophysics - Student Reference Packet

... stays in the same place and the other stars appear to move in circular paths around this “celestial pole”. They complete one rotation every 24 hrs (called diurnal motion) although we can only observe part of their path (we can’t see them during the day because the scattered blue light of our Sun is ...
Slide 1 - leslie09
Slide 1 - leslie09

... the sun. Earth, our home planet, is the only planet in our solar system known to harbor life . Planet in our solar system known to harbor life . Scientists around the world have discovered many things about our planet by working together and sharing their findings. ...
Glossary - CW Perry School
Glossary - CW Perry School

... On June 21st from a point on the Arctic Circle, the Sun will appear to descend into the north-west, but instead of setting it will appear to skim the northern horizon and rise up again in the north-east. This never-setting sun known as the Midnight Sun. The further north you go the more days of Midn ...
Slide 1
Slide 1

... • TYCHO WAS BOTH AN “EXPERIMENTALIST” AND A “THEORIST” • HE MUST HAVE BEEN A VERY GOOD MACHINIST – V.E. THOREN WRITES, “Because of the number and variety of instruments made and described by Tycho, previous commentators have assumed that he made instruments for the sheer sake of keeping his instrume ...
Final Exam from 2005
Final Exam from 2005

... b. the same time c. later 15. True or False: The moon orbits the earth in the exact same plane as the earth orbits the sun. a. True b. False 16. Which of the following is NOT a result of a collision in our solar system? a. Jupiter’s red spot. b. The formation of our Moon. c. The tipped rotation axis ...
The Solar System - Belle Vernon Area School District
The Solar System - Belle Vernon Area School District

... Satellites to Venus • 1970’s Russia/Soviet Union sent the Venera probes that photographed and mapped the surface • In 1995 the United States probe Magellan also mapped the surface in ...
Earth in Space and Beyond - Westmoreland Central School
Earth in Space and Beyond - Westmoreland Central School

... – Earth is stationary (not rotating or revolving) and all celestial objects move around it at fixed distances from it. – Widely accepted because it explained all of the daily motions of the Sun, planets, & stars. – The retrograde motion (backwards) of some planets was explained by showing they move ...
Introduction
Introduction

... will be held on Mondays and Fridays from 15.00 to 15.50, and students will be divided into groups during the first week. You must fill out a registration form to be assigned to a tutorial group. During these tutorial sessions, you will work in groups to answer questions that will be similar to those ...
PowerPoint Presentation - Planetary Configurations
PowerPoint Presentation - Planetary Configurations

... • Greeks - Moved astronomy from a level of prediction to one of explanation (or attempts to do so) ...
good - Cosmos
good - Cosmos

... • Subtle truth – not really possible – for another 2 centuries, no other classical observational data available, simultaneously as homogenous, accurate and precise as T Brahe’s. – testing “Kepler-from-TB-data” against “TB-data” is not decisive ...
title of lesson plan - Discovery Education
title of lesson plan - Discovery Education

... A shooting star that lands on Earth is known as a meteorite. planet Any of the large bodies that revolve around the sun in the solar system. Context: It takes the planet Earth 365 days to revolve around the sun. probe A man-made device used to send information from outer space or a celestial body to ...
Unit 1 Test Review Answers - School District of La Crosse
Unit 1 Test Review Answers - School District of La Crosse

... 27.The tilt of the earth is_______degrees from the ecliptic 23.5 28. When viewing a star it appears to twinkle because: EARTH'S ATMOSPHERE 29.Which is planet cannot be seen with the naked eye?NEPTUNE,OR URANAS 30. This planet follows the sun by about 1/2 hour, so it's difficult to make out because o ...
"WITH THE STARS" i - Royal Astronomical Society of Canada
"WITH THE STARS" i - Royal Astronomical Society of Canada

... universe. Analysis of starlight by the spectroon its surface are distinctly visible. Its diameter, scope indicates all the bodies in the universe 4,220miles, is little more than half the Earth's. are made up of the same chemical elements The Martian day is about the sameas ours, but known on Earth. ...
Document
Document

... gravitational pull between them. Currently, over 100 planets have been discovered in this way, and it now seems that most stars may have their own system of planets. ...
Kepler File
Kepler File

... even though there was no evidence for helio-centrism at this point. He just found the model beautiful and more agreeable to his Christian beliefs. He thought that the Sun, being the noblest of all heavenly bodies HAD to be in the center, just like God is the center of all creation. Kepler’s work in ...
Wizard Test Maker
Wizard Test Maker

... What is the best inference that can be made concerning the movement of galaxies A, B, and C? 1) Galaxy A is moving away from Earth, but galaxies B and C are moving toward Earth. 2) Galaxy B is moving away from Earth, but galaxies A and C are moving toward Earth. 3) Galaxies A, B, and C are all movin ...
Constellations
Constellations

... A. The number of months in a year B. The number of days in a month C. The number of weeks in a year D. The number of years in a decade 3. Astronomers recognize the Orion Nebula as a large celestial body. What can you infer about the Orion Nebula from its name? A. It is a star in the constellation Or ...
Document
Document

... • In the 3rd Century B.C., a Greek, Aristarchus of Samos, figured out a way to measure the relative sizes and distances of the Moon and Sun. • He noticed that when the Moon was eclipsed by the Earth (월식) we can see the Earth's shadow creep across the face of the Moon. Earth's shadow is circular, and ...
Spiral Elliptical Irregular - SMS 8th Grade Astronomy Unit
Spiral Elliptical Irregular - SMS 8th Grade Astronomy Unit

... The Earth’s Place in the Universe Earth is one of eight (+Pluto!) planets in the solar system We are __________________ million miles away from the sun This is called an Astronomical Unit (AU) (it would take a jet 17 years to travel this far!) Pluto is 39 AU from the sun…How many miles is that? ____ ...
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Copernican heliocentrism



Copernican heliocentrism is the name given to the astronomical model developed by Nicolaus Copernicus and published in 1543. It positioned the Sun near the center of the Universe, motionless, with Earth and the other planets rotating around it in circular paths modified by epicycles and at uniform speeds. The Copernican model departed from the Ptolemaic system that prevailed in Western culture for centuries, placing Earth at the center of the Universe, and is often regarded as the launching point to modern astronomy and the Scientific Revolution.Copernicus was aware that the ancient Greek Aristarchus had already proposed a heliocentric theory, and cited him as a proponent of it in a reference that was deleted before publication, but there is no evidence that Copernicus had knowledge of, or access to, the specific details of Aristarchus' theory. Although he had circulated an outline of his own heliocentric theory to colleagues sometime before 1514, he did not decide to publish it until he was urged to do so late in his life by his pupil Rheticus. Copernicus's challenge was to present a practical alternative to the Ptolemaic model by more elegantly and accurately determining the length of a solar year while preserving the metaphysical implications of a mathematically ordered cosmos. Thus his heliocentric model retained several of the Ptolemaic elements causing the inaccuracies, such as the planets' circular orbits, epicycles, and uniform speeds, while at the same time re-introducing such innovations as,Earth is one of several planets revolving around a stationary Sun in a determined orderEarth has three motions: daily rotation, annual revolution, and annual tilting of its axisRetrograde motion of the planets is explained by Earth's motionDistance from Earth to the Sun is small compared to the distance to the stars.↑ 1.0 1.1 ↑
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