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ITS3
ITS3

... constellation, it takes 200 million years to complete one orbit of the constellation. The Sun is the only object in the solar system which gives off (radiates) light - all the others just reflect it. Our Sun is an average size star Sirius B is a dwarf star, whilst Antaris is a red giant, about 300 t ...
How many moons does Mercury have? (Update)
How many moons does Mercury have? (Update)

... But what about Mercury? result of massive collisions that caused a planet to If moons are such a common feature in the solar system, why is it that Mercury has none? Yes, if one were to ask how many satellites the planet closest to the sun has, that would be the short answer. But answering it more t ...
5th-dwarf-planets STW
5th-dwarf-planets STW

... objects in our solar system! Because of this, scientists ...
Word doc - UC-HiPACC - University of California, Santa Cruz
Word doc - UC-HiPACC - University of California, Santa Cruz

... to farther than a solar radius above the Sun’s surface: when all the planets are on the same side of the solar system as Jupiter, the barycenter is farther from the center of the Sun toward Jupiter than it is when all the planets are on the opposite side of the solar system from Jupiter. In other wo ...
File
File

...  huge size mean low temperature... it is now a ______ ________.  The outer layer of gas gets blown off producing a cloud of gas called a ___________ ______________  leaving a hot, dense core...it is now a ________ __________.  the white dwarf eventually cools into a _________ __________. MASSIVE ...
Planets Chart: Planet Distance From Sun Size Rotation Orbit
Planets Chart: Planet Distance From Sun Size Rotation Orbit

LAB: “Plotting Planets”
LAB: “Plotting Planets”

... you are usually looking at a sketch or drawing that is not drawn to scale. Usually the planets are too close to each other in their orbit around the sun, or some planets are not matched to size with the rest of the planets in the solar system. In this activity, you will be plotting out the distances ...
Celestial Bodies (Mike Stroppa) - Powerpoint
Celestial Bodies (Mike Stroppa) - Powerpoint

... • May stay a dwarf all its life, our start as an average star, and turn into a dwarf • Red, white and Black dwarf stars depending on age ...
Facilitator Information - Lunar and Planetary Institute
Facilitator Information - Lunar and Planetary Institute

friends of the planetarium newsletter - june 2010
friends of the planetarium newsletter - june 2010

... South Equatorial Belt (SEB), the brown cloudy band is twice as wide as Earth and more than twenty times as long. The loss of such an enormous "stripe" can be seen with ease halfway across the solar system. "In any size telescope, or even in large binoculars, Jupiter's signature appearance has always ...
WK8revised
WK8revised

... "One of the most impressive discoveries was the origin of the energy of the stars. One of the men who discovered this was out with his girl friend the night after he realized that nuclear reactions must be going on in the stars in order to make them shine. She said "Look at how pretty the stars shin ...
SPACE By: Hailey Merrill and Katie Whatley Earth
SPACE By: Hailey Merrill and Katie Whatley Earth

... There is a lot of water on the earth in fact there is so much water that you could cover the entire atmosphere with 1 inch of water. In 1783 an ice land eruption threw up enough dust to temporally block out the sun over Europe Approximately 40,000 meteoritic dust hits the earth each year. Earth is a ...
Solar System PPT
Solar System PPT

... Way, which is among billions of galaxies that make up the universe ...
Solar System PPT
Solar System PPT

... and is the seventh largest. • The first space craft to visit Mars was the Mariner 4 in 1965. • Has seasons and polar ice caps; may have water shaping its surface • Red due to rocks containing iron oxide • Two small moons Exploring Mars ...
Homework # 2 1. For each of the following, make a sketch showing
Homework # 2 1. For each of the following, make a sketch showing

... 3. Page 74 #16. Two Kinds of Planets. In words a friend would understand, explain why the jovian planets differ from the terrestrial planets in each of the following aspects: composition, size, density, distance from the Sun, and number of moons. The nebular theory of the formation of the solar syst ...
Our Solar System - Eastern Wayne High
Our Solar System - Eastern Wayne High

... Today, Pluto is called a "dwarf planet." A dwarf planet orbits the sun just like other planets, but it is smaller. A dwarf planet is so small it cannot clear other objects out of its path. Pluto was not really a planet because of its size and location in space ...
SCI-4 Exam [E-1NGXKV] Mil - 4th
SCI-4 Exam [E-1NGXKV] Mil - 4th

... Place each moon phase in the position that would make the order correct. ...
Gravitational Force
Gravitational Force

... (equivalent to a 154-pound person). How much mass must another object have in order for your body and the other object to attract each other with a force of 1Newton when separated by 10 meters? ...
Solar SyStem - Lorenz Educational Press
Solar SyStem - Lorenz Educational Press

... The Sun is a star made up of hot gases that explode with energy similar to that of a continuously exploding nuclear bomb. It is the center of our Solar System. It provides us with heat and light. The Sun has been spinning on its axis and exploding for about 5 billion years. The Sun is an average-siz ...
Astronomy
Astronomy

... Venus: 500oC, Atm CO2 & H2SO4, 100x earth pressure Mars +30 to -150oC, atm CO2, 0.01% earth p., ice cap Asteroids: more than 10,000, various sizes Jupiter: largest gas giant, 600kph winds, storms, rings, moons Saturn: gas giant, least dense, prominent rings, large moons ...
February 2007
February 2007

... • We observe periodic changes in the starlight as the (dark) planet passes in front of the star ...
in the Solar System!
in the Solar System!

... The gas planets are mostly made up of gases (hydrogen and helium). These planets are light for their sizes (just like a big air balloon) and move quickly. They have rings and lots of moons. ...
A. Multiple Choice- Choose the letter that best answers the question
A. Multiple Choice- Choose the letter that best answers the question

... 5. This planet is bluish because of the methane that makes up its atmosphere. a. Uranus b. Venus c. Jupiter d. Neptune 6. Which planet has seasons like Earth? ...
Introduction to Astronomy
Introduction to Astronomy

... of the sun’s radius. The central density is 150 times that of water; the central temperature is 15 million kelvin. ...
Inner Planets
Inner Planets

... The inner planets are also called the terrestrial planets because they are more like the planet Earth. Mercury and Venus have no moons. Venus is the hottest planet at 900 degrees. Venus is known as the "morning star" or the "evening star" since it is visible and quite bright at either dawn or dusk. ...
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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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