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ASTRONOMY WORKSHOP
ASTRONOMY WORKSHOP

... *explains why the universe is expanding out of control at an accelerated rate ...
8th grade Physical Science
8th grade Physical Science

... analyze its components. This method is similar to that used by scientists to determine the types of gasses that make up stars. Standards Addressed: 8th grade Physical Science- CA standard Earth in the Solar System (Earth Sciences) 4. The structure and composition of the universe can be learned from ...
Quiz # 2
Quiz # 2

... Bonus. The spectrum of a star shows an equivalent set of dark absorption lines to those of the Sun, but with one exception. Every line appears at a slightly longer wavelength, shifted toward the red end of the spectrum. What conclusion can be drawn from this observation? A) A cloud of cold gas and ...
Members of the Solar System
Members of the Solar System

... Members of the Solar System Solar System-the sun and all of the bodies that orbit it make up the solar system. This includes the planets and their moons, as well as comets, asteroids, meteoroids, and any other bits of rock or dust. The main parts of our solar system are eight planets, an asteroi d b ...
Astronomy Review Sheet
Astronomy Review Sheet

... 13. How did technology and/or new methods help to change the model of the solar system? Telescopes made the discovery of Jupiter’s moons possible; new methods like using math and the scientific method helped prove the heliocentric model was correct. ...
SNC 1PW - TeacherWeb
SNC 1PW - TeacherWeb

... 22. A ____________ is a huge collection of gas, dust, and hundreds of billions of stars. Our galaxy is called the _________ _________ and is ____________ shaped. 23. ___________ are huge clouds of dust and gases that are the birthplace of stars. 24. A _______________ is an enormous explosion at the ...
Part5Unit2TheoryofSolarSystem
Part5Unit2TheoryofSolarSystem

... spinning increased. Example: Think of a figure skater who pulls their arms into a spin. What happens when they extend their arms? ...
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The sun

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Science 9 Unit E Section 1.0
Science 9 Unit E Section 1.0

... most useful information about it has come from the Hubble Space Telescope. One of the greatest debates among planetary astronomers currently is whether Pluto is a planet or not. It is a frozen ball of methane smaller than our moon. It doesn’t fit the pattern of the outer planets, which tend to be la ...
Space – Our Solar System
Space – Our Solar System

... Observing Stars and Planets • A star is a big ball of burning gas • A planet is a smaller ball of rock (or ...
Our Place in Space
Our Place in Space

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Monday – October 29th - East Hanover Township School District
Monday – October 29th - East Hanover Township School District

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Chapter 27 – The Planets and the Solar System
Chapter 27 – The Planets and the Solar System

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God, science and you – 2 The solar system

... • The nearest spiral galaxy other than our own, Andromeda galaxy, is 2½ million light-years away. • The edge of the observable universe is 46½ billion ...
Section 26.3 - CPO Science
Section 26.3 - CPO Science

... 1. is in orbit around the Sun; 2. is nearly round in shape; and 3. has cleared its orbit of other objects. ...
Chapter 27 – The Planets and the Solar System
Chapter 27 – The Planets and the Solar System

... c. Because of their Earth like appearance they are also known as terrestrial planets 2. Outer Planets – Jupiter, Saturn, Uranus, Neptune and Pluto a. 1st four are called Jovian – or Jupiter like b. very large gaseous planets with no rocky crust c. low density due to size d. have ring systems e. Plut ...
Our_Solar_System
Our_Solar_System

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Solar system

... 3) The singularity: All matter is crammed into a tiny point the size of a proton. 4) Protostars are formed: a dense cloud of gas surrounded by a spinning disk. ...
Our Solar System
Our Solar System

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Solar Nebula Theory
Solar Nebula Theory

... - Outer gases cast off into proto-planetary disk 1. Cool protostar collapses under gravity 2. Pressure inside builds up which increases temperature 3. Protostar shrinks & heats up more 4. Once Tcore ~ 15 million K, H ! He fusion reactions start in core ...
Intro to Space
Intro to Space

... • You will need to take your information from the website and design our solar system on paper • Be creative! Make sure you use the facts in some way from the website and incorporate it into your design • INCLUDE all the parts of the solar system • You will have TWO SCIENCE PERIODS to do this!! ...
Life Cycles of Stars
Life Cycles of Stars

... megatons/second • Let’s relate that to human scales. What would that be at one kilometer distance? • 77 x 1015 tons/(150 x 106km)2 = 3 tons • Picture a truckload of explosives a km away giving off a one-second burst of heat and light to rival the Sun ...
Lecture 1 Review Sheet
Lecture 1 Review Sheet

... How many years after the Big Bang began did the Universe become visible? How many millions of years after the Big Bang before the first stars ignited? Review Questions: Explain the significance of the cosmic microwave background radiation. What wavelength did it start out as? What does it record? Ex ...
Origin and Age of the Universe
Origin and Age of the Universe

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Formation and evolution of the Solar System



The formation of the Solar System began 4.6 billion years ago with the gravitational collapse of a small part of a giant molecular cloud. Most of the collapsing mass collected in the center, forming the Sun, while the rest flattened into a protoplanetary disk out of which the planets, moons, asteroids, and other small Solar System bodies formed.This widely accepted model, known as the nebular hypothesis, was first developed in the 18th century by Emanuel Swedenborg, Immanuel Kant, and Pierre-Simon Laplace. Its subsequent development has interwoven a variety of scientific disciplines including astronomy, physics, geology, and planetary science. Since the dawn of the space age in the 1950s and the discovery of extrasolar planets in the 1990s, the model has been both challenged and refined to account for new observations.The Solar System has evolved considerably since its initial formation. Many moons have formed from circling discs of gas and dust around their parent planets, while other moons are thought to have formed independently and later been captured by their planets. Still others, such as the Moon, may be the result of giant collisions. Collisions between bodies have occurred continually up to the present day and have been central to the evolution of the Solar System. The positions of the planets often shifted due to gravitational interactions. This planetary migration is now thought to have been responsible for much of the Solar System's early evolution.In roughly 5 billion years, the Sun will cool and expand outward many times its current diameter (becoming a red giant), before casting off its outer layers as a planetary nebula and leaving behind a stellar remnant known as a white dwarf. In the far distant future, the gravity of passing stars will gradually reduce the Sun's retinue of planets. Some planets will be destroyed, others ejected into interstellar space. Ultimately, over the course of tens of billions of years, it is likely that the Sun will be left with none of the original bodies in orbit around it.
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