Warm UP - Matching
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Transcript of Warm UP - Matching
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Warm UP - Matching
A-Sun-Alpha Centauri-Proximi Centauri-Binary System-Nova-Galaxies-Nebulae-Constellations
b-Huge clouds of dust and gas glowing between the stars-Single Stars System-Star that brightens, then dims-Star closest to Earth-Stars that form patterns-Various star groups major features of the universe-Most stars in this group-Triple star system, closest to the sun
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Answer
Word - DefinitionSun – single start systemAlpha Centauri – triple star system, closest to the sunProximi Centauri – Star closest to EarthBinary System – most stars in this groupNova – Start that brightens, then dimsGalaxies – various star groups: major features of the universeNebulae – Huge clouds of dust and gas glowing between the starsConstellations – stars that form patterns
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A Trip Through the Universe
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Guiding Questions
By the end of this lesson
1. What are galaxies? What are the three main types of galaxies?
2. What is the size and shape of the Milky Way Galaxy?
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Look at the Stars in the Night Sky
Each twinkling lights is actually a - Sun
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Although Stars are so far away
Astronomers can not locate individual stars but
can detect huge groups of stars
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Lets begin a trip through the universe……
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Traveling the Speed of Light…..
The distance light can travel in a unit of time through a substance.
through a vaccum: 186,000 miles per second
300,000 kilometers per secondBut you still must travel much faster
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Begin the trip:
Star closest to the sun: Alpha Centauri4.3 light years from Earth
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Alph Centauri is a multiple star system3 stars to be exact
Proximi Centauri is the first of the stars, Its actually the closest star toEarth.
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Journey Continues
Alpha Centauri is not so unusual. Over half the stars in the sky have at least one companion star
Most stars are double star systems, two stars revolve round each other.Binary Stars
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Thousands of years ago………Arab Shepherds discovered that about every three days a certain bright star suddenly became dim and disappeared, only to brighten again.
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Next Stop….It was named Algol “Ghoul”Binary Star System
One of Algol’s stars is small bright blue – Visible from EarthThe other is large, dim , and yellow – non visible from Earth
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About every three days the larger star passes between the smaller star and Earth, blocking the smaller stars light
So every three days the smaller star appears to disappear.
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Constellations
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Journey continues in any direction…..One path goes passed the Dog Star – Sirius
Over 8 light years away
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Another path is the North Star – Polaris
400 light years from Earth
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Polaris has long been an important star for navigation
Sailors would know that sailing toward the star would mean they were sailing North
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Polaris is at the end of the handle of a group of stars called……Little Dipper.
Little Dipper makes up the constellation of stars called Ursa Minor – Little Bear
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Constellation
Groups of stars in which people at one time though they saw imaginary figures of animals or people.
There are…… 88 Major Constellations
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Constellation Construction
~ Find the Month of your birth.~ Choose a constellation found in that month~ On construction paper sketch a large version~ Make sure to make a point for each star~ Use yellow, green, blue and orange yarn for place markers~ Hang each string from the point of each star.~ Yarn should be varying lengths
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January
• Caelum • Dorado • Mensa • Orion • Reticulum • Taurus
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February
• Auriga • Camelopardalis • Canis Major • Columba • Gemini • Lepus • Monoceros • Pictor
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March
• Auriga • Camelopardalis • Canis Major • Columba • Gemini • Lepus • Monoceros • Pictor
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April
• Antlia • Chamaeleon • Crater • Hydra • Leo • Leo Minor • Sextans • Ursa Major
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May
• Canes Venatici • Centaurus • Coma Berenices • Corvus • Crux • Musca • Virgo
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June
• Boötes • Circinus • Libra • Lupus • Ursa Minor
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July• Apus • Ara • Corona Borealis • Draco • Hercules • Norma • Ophiuchus • Scorpius • Serpens • Triangulum Australe
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August
• Corona Austrina • Lyra • Sagittarius • Scutum • Telescopium
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September• Aquila • Capricornus • Cygnus • Delphinus • Equuleus • Indus • Microscopium • Pavo • Sagitta • Vulpecula
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October
• Aquarius • Cepheus • Grus • Lacerta • Octans • Pegasus • Piscis Austrinus
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November
• Andromeda • Cassiopeia • Phoenix • Pisces • Sculptor • Tucana
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December
• Aries • Cetus • Eridanus • Fornax • Horologium • Hydrus • Perseus • Triangulum