Constellations. I. Constellations A. A constellation is typically thought of as a collection of ____________ named after _______________, ______________.

Slides:



Advertisements
Similar presentations
ASTRONOMY 161 Introduction to Solar System Astronomy
Advertisements

Physics 55 Monday, September 12, The celestial sphere, the ecliptic. 2.Solar versus sidereal days; synodic versus sidereal months. 3.Celestial coordinates:
Apparent/Actual Motions Summary
Chapter 2b: The Sky.
Prologue Welcome to PH109 Exploring the Universe Dr. Michael L. Cobb Fall, 2003.
Physics 101 Astronomy Dr. Brian Davies Office: 532 Currens Hall, Office Hours: M Tu W F 11-noon
Constellations. Celestial Sphere Our Point of View.
January 10, 2006Astronomy Chapter 1 Observing the Sky: The Birth of Astronomy What do we see when we look at the sky? Why did people look at the.
Observing and the Sky Astronomy 311 Professor Lee Carkner Lecture 3.
Night Sky Watching (Basics). Stars Pivot around a Point.
Observing the Night Sky
Motions of the Celestial Sphere. Constellations Sky looks like a dome with the star painted on the inside. 88 constellations such as Ursa Major, Orion,
The Celestial Sphere The 88 official constellations cover the celestial sphere. If you do not have a model of the celestial sphere to bring to class, you.
Motion in the Sky. Discussion How do we estimate how far away things are from us in everyday life?
Goal: To understand how objects move in the night sky over any time span, and what we can discover from that. Objectives: 1)To be familiar with Basic Sky.
UNIT 4 SPACE EXPLORATION. Chapter 10 – The Universe Text page 350 ASTRONOMY – branch of physics which studies celestial bodies and the universe Any natural.
Copyright © by Holt, Rinehart and Winston. All rights reserved. Chapter 1 Section 3 Mapping the Stars.
Seasons and the Angle of Solar Radiation Rotation: the time it takes a planet to rotate (spin) once on its axis. For Earth = 1 day.
Constellations A constellation is a region of the sky.
Our goals for learning:
AST 112 Motion of Objects in the Sky. The Celestial Sphere Imagine you’re where Earth is, but there’s no Earth. What do you see? Keep in mind: – Nearest.
The Celestial Sphere Stars at different distances all appear to lie on the celestial sphere. The 88 official constellations cover the celestial sphere.
This is what it’s all about…. The Celestial Sphere Useful concept for: 1.Finding your way around the sky (astronomical coordinate system) 2.Thinking about.
Welcome to PH109 Exploring the Universe Dr. Michael L. Cobb Fall, 2013.
Chapter 2: Patterns in the Sky – Motions of Earth.
Constellations.
Chapter 1 Charting the Heavens.
© 2005 Pearson Education Inc., publishing as Addison-Wesley Chapter 2 Discovering the Universe for Yourself Mark Twain (1835 – 1910) American author, from.
A scientific model.  Why do we use the model of the celestial sphere when studying the night sky, even though it does not accurately represent three-dimensional.
Mastering Astronomy.
Please grab your clicker again! Bell Work How does Astrology differ from Astronomy?
1 Lines in the Sky In order to use the sky to measure time you need to measure the location of objects in the sky. We will look at two methods of measuring.
Seasonal Motion & Ecliptic. “Motion” Debriefing Stars circle NCP counterclockwise –For circumpolar stars: E  W if above Polaris, but W  E if below Polaris.
 Celestial Sphere: an imaginary sphere on which all the celestial objects would appear  Celestial object: any object in the sky that genuinely appears.
Some Basic Facts 12 Constellations of the Zodiac: groups of stars
Astronomy Basics Distances and Vocabulary Angles and the Unit Circle Powers of Ten Scientific Notation.
EARTH IN SPACE. A reminder about earth  The earth is almost a sphere  We locate points on the sphere with 3 coordinates – Longitude (180º W º.
1.Stars move from east to west over the course of the night 2.Change slightly from one night to the next 3.However, their relative positions remain.
The sky Our place in space ConstellationsMeasurement Celestial Sphere Polaris and precession $ 200 $ 200$200 $ 200 $ 200 $400 $ 400$400 $ 400$400.
Sky Motions  Diurnal Motion Annual Motion. DIURNAL MOTION o Daily East / West motion of the sky Due to the Earth’s rotation (15°/hour) [360°/24 hours.
Constellations. Patterns in the Sky Stars which are “close” to each other (in angle) form patterns called constellations. –Not really close together Constellations.
ASTRONOMY 101 Introduction to Solar System Astronomy D Taylor Greenwich HS, CT Rowan University, NJ  2008.
Universe Tenth Edition Chapter 2 Knowing the Heavens Roger Freedman Robert Geller William Kaufmann III.
Seasonal Motion. Daily and yearly motion intertwined Solar vs Siderial Day –Earth rotates in 23 h 56 m –also rotates around sun  needs 4 min. to “catch.
Daily and yearly motion intertwined Solar vs Siderial Day –Earth rotates in 23 h 56 m –also rotates around sun  needs 4 min. to “catch up” Consequence:
Constellations pg. 65. Constellation section of the sky with a recognizable star pattern. 88 listed 48 from Ptolemy.
MOTIONS OF SKY. Goals To identify the different parts of the celestial sphere model To understand how to express the location of objects in the sky To.
The equatorial coordinate system a system like latitude and longitude for the celestial sphere.
What is apparent motion? Important to understand what we see and what is actually happening. Apparent motion is what we see from Earth Actual motion is.
The Compass Rose and Azimuth Write the direction and degrees in the boxes provided. 0 (360) E W S 180.
Motion in the Sky. Discussion What is a year? Discussion What is a day?
Topic: Mapping the Stars PSSA: D/S8.D.3.1 Objective: TLW use star patterns and simple tools to locate objects in the night sky.
Phases of the Moon Lab The Celestial Sphere Model One way the celestial sphere model is used explains positions in the sky as seen from YOUR position.
Knowing the Heavens Chapter Two.
Jan 2016 Solar Lunar Data.
Navigating the Night Sky
The Night Sky…last time, The Horizon System
Constellations pg. 71.
Constellation – Sky Familiarization
Motions in the sky: The celestial sphere
The Night Sky.
Stargazing Terminology
Motions of Earth, Moon and Sun
Precession and The Celestial Poles
The Sky (Celestial Sphere)
ASTRO UNIT 1 REVIEW.
Precession and The Celestial Poles
Night Sky Watching (Basics)
What is the Relationship Between Latitude and Polaris?
Presentation transcript:

Constellations

I. Constellations A. A constellation is typically thought of as a collection of ____________ named after _______________, ______________ or _______________. B. In modern astronomy, a constellation is defined as a specific ___________ of the sky as determined by the International Astronomical Union (IAU). C. The celestial sphere is divided into _______ contiguous regions know as constellations. II. Ecliptic: Over the course of a year, the _________ changes its relative position in the sky against the background stars. This is due to the orbital motion of the Earth. The yearly _________ the Sun takes across the sky is called the ecliptic. III. Zodiac Constellations: The ____________passes through _______ of the 88 constellations. These particular constellations are called the zodiac constellations.

I. Constellations starsan animala person an object A. A constellation is typically thought of as a collection of ____stars____ named after ____an animal____, ____a person____ or ___ an object ____. B. In modern astronomy, a constellation is defined as a specific ___________ of the sky as determined by the International Astronomical Union (IAU). C. The celestial sphere is divided into _______ contiguous regions know as constellations. II. Ecliptic: Over the course of a year, the _________ changes its relative position in the sky against the background stars. This is due to the orbital motion of the Earth. The yearly _________ the Sun takes across the sky is called the ecliptic. III. Zodiac Constellations: The ____________passes through _______ of the 88 constellations. These particular constellations are called the zodiac constellations.

List of the constellations - Wikipedia

I. Constellations starsan animala person an object A. A constellation is typically thought of as a collection of ____stars____ named after ____an animal____, ____a person____ or ___ an object ____. area B. In modern astronomy, a constellation is defined as a specific ____area____ of the sky as determined by the International Astronomical Union (IAU). C. The celestial sphere is divided into _______ contiguous regions know as constellations. II. Ecliptic: Over the course of a year, the _________ changes its relative position in the sky against the background stars. This is due to the orbital motion of the Earth. The yearly _________ the Sun takes across the sky is called the ecliptic. III. Zodiac Constellations: The ____________passes through _______ of the 88 constellations. These particular constellations are called the zodiac constellations.

I. Constellations starsan animala person an object A. A constellation is typically thought of as a collection of ____stars____ named after ____an animal____, ____a person____ or ___ an object ____. area B. In modern astronomy, a constellation is defined as a specific ____area____ of the sky as determined by the International Astronomical Union (IAU). 88 C. The celestial sphere is divided into __88___ contiguous regions know as constellations. II. Ecliptic: Over the course of a year, the _________ changes its relative position in the sky against the background stars. This is due to the orbital motion of the Earth. The yearly _________ the Sun takes across the sky is called the ecliptic. III. Zodiac Constellations: The ____________passes through _______ of the 88 constellations. These particular constellations are called the zodiac constellations.

I. Constellations starsan animala person an object A. A constellation is typically thought of as a collection of ____stars____ named after ____an animal____, ____a person____ or ___ an object ____. area B. In modern astronomy, a constellation is defined as a specific ____area____ of the sky as determined by the International Astronomical Union (IAU). 88 C. The celestial sphere is divided into __88___ contiguous regions know as constellations. II. Ecliptic: Over the course of a year, the _________ changes its relative position in the sky against the background stars. This is due to the orbital motion of the Earth. The yearly _________ the Sun takes across the sky is called the ecliptic. III. Zodiac Constellations: The ____________passes through _______ of the 88 constellations. These particular constellations are called the zodiac constellations.

I. Constellations starsan animala person an object A. A constellation is typically thought of as a collection of ____stars____ named after ____an animal____, ____a person____ or ___ an object ____. area B. In modern astronomy, a constellation is defined as a specific ____area____ of the sky as determined by the International Astronomical Union (IAU). 88 C. The celestial sphere is divided into __88___ contiguous regions know as constellations. Sun path II. Ecliptic: Over the course of a year, the ___Sun____ changes its relative position in the sky against the background stars. This is due to the orbital motion of the Earth. The yearly __ path ___ the Sun takes across the sky is called the ecliptic. III. Zodiac Constellations: The ____________passes through _______ of the 88 constellations. These particular constellations are called the zodiac constellations.

Ecliptic

I. Constellations starsan animala person an object A. A constellation is typically thought of as a collection of ____stars____ named after ____an animal____, ____a person____ or ___ an object ____. area B. In modern astronomy, a constellation is defined as a specific ____area____ of the sky as determined by the International Astronomical Union (IAU). 88 C. The celestial sphere is divided into __88___ contiguous regions know as constellations. Sun path II. Ecliptic: Over the course of a year, the ___Sun____ changes its relative position in the sky against the background stars. This is due to the orbital motion of the Earth. The yearly __ path ___ the Sun takes across the sky is called the ecliptic. III. Zodiac Constellations: The ____________ passes through _______ of the 88 constellations. These particular constellations are called the zodiac constellations.

I. Constellations starsan animala person an object A. A constellation is typically thought of as a collection of ____stars____ named after ____an animal____, ____a person____ or ___ an object ____. area B. In modern astronomy, a constellation is defined as a specific ____area____ of the sky as determined by the International Astronomical Union (IAU). 88 C. The celestial sphere is divided into __88___ contiguous regions know as constellations. Sun path II. Ecliptic: Over the course of a year, the ___Sun____ changes its relative position in the sky against the background stars. This is due to the orbital motion of the Earth. The yearly __ path ___ the Sun takes across the sky is called the ecliptic. ecliptic13 III. Zodiac Constellations: The ___ecliptic____ passes through __13___ of the 88 constellations. These particular constellations are called the zodiac constellations.

Ecliptic

NameIAU Boundaries (2011) AriesApr 19 – May 14 TaurusMay 14 – Jun 21 GeminiJun 21 – Jul 21 CancerJul 21 – Aug 11 LeoAug 11 – Sep 17 VirgoSep 17 – Oct 31 LibraOct 31 – Nov 21 ScorpiusNov 21 – Nov 30 OphiuchusNov 30 – Dec 18 SagittariusDec 18 – Jan 21 CapricornusJan 21 – Feb 17 AquariusFeb 17 – Mar 21 PiscesMar 12 – Apr 19

IV. Polaris A. Another name for Polaris is the ___________________. B. During the course of the night, all the other stars appear to ______________ around Polaris due to the __________________. Polaris sits nearly directly above the Earth’s _______________. C. Polaris is useful for navigation. The angle between Polaris and the ______________ is equal to the observer’s ________________. The angle between Polaris and the horizon as observed from Essex Junction is o. This means Essex Junction is at latitude _______________. D. At the equator, how far above the horizon would Polaris be? _______ E. At the North Pole, how far above the horizon would Polaris be? _____

IV. Polaris North Star A. Another name for Polaris is the ____North Star______. B. During the course of the night, all the other stars appear to ______________ around Polaris due to the __________________. Polaris sits nearly directly above the Earth’s _______________. C. Polaris is useful for navigation. The angle between Polaris and the ______________ is equal to the observer’s ________________. The angle between Polaris and the horizon as observed from Essex Junction is o. This means Essex Junction is at latitude _______________. D. At the equator, how far above the horizon would Polaris be? _______ E. At the North Pole, how far above the horizon would Polaris be? _____

IV. Polaris North Star A. Another name for Polaris is the ____North Star______. rotateEarth’s rotation North Pole B. During the course of the night, all the other stars appear to ____rotate_____ around Polaris due to the ___Earth’s rotation___. Polaris sits nearly directly above the Earth’s ___North Pole____. C. Polaris is useful for navigation. The angle between Polaris and the ______________ is equal to the observer’s ________________. The angle between Polaris and the horizon as observed from Essex Junction is o. This means Essex Junction is at latitude _______________. D. At the equator, how far above the horizon would Polaris be? _______ E. At the North Pole, how far above the horizon would Polaris be? _____

IV. Polaris North Star A. Another name for Polaris is the ____North Star______. rotateEarth’s rotation North Pole B. During the course of the night, all the other stars appear to ____rotate_____ around Polaris due to the ___Earth’s rotation___. Polaris sits nearly directly above the Earth’s ___North Pole____. C. Polaris is useful for navigation. The angle between Polaris and the ______________ is equal to the observer’s ________________. The angle between Polaris and the horizon as observed from Essex Junction is o. This means Essex Junction is at latitude _______________. D. At the equator, how far above the horizon would Polaris be? _______ E. At the North Pole, how far above the horizon would Polaris be? _____

IV. Polaris North Star A. Another name for Polaris is the ____North Star______. rotateEarth’s rotation North Pole B. During the course of the night, all the other stars appear to ____rotate_____ around Polaris due to the ___Earth’s rotation___. Polaris sits nearly directly above the Earth’s ___North Pole____. horizon latitude 44.5 o C. Polaris is useful for navigation. The angle between Polaris and the ____horizon____ is equal to the observer’s _____ latitude _____. The angle between Polaris and the horizon as observed from Essex Junction is 44.5 o. This means Essex Junction is at latitude _____44.5 o _______. D. At the equator, how far above the horizon would Polaris be? _______ E. At the North Pole, how far above the horizon would Polaris be? _____

IV. Polaris North Star A. Another name for Polaris is the ____North Star______. rotateEarth’s rotation North Pole B. During the course of the night, all the other stars appear to ____rotate_____ around Polaris due to the ___Earth’s rotation___. Polaris sits nearly directly above the Earth’s ___North Pole____. horizon latitude 44.5 o C. Polaris is useful for navigation. The angle between Polaris and the ____horizon____ is equal to the observer’s _____ latitude _____. The angle between Polaris and the horizon as observed from Essex Junction is 44.5 o. This means Essex Junction is at latitude _____44.5 o _______. D. At the equator, how far above the horizon would Polaris be? _______ E. At the North Pole, how far above the horizon would Polaris be? _____ Polaris angle = latitude

IV. Polaris North Star A. Another name for Polaris is the ____North Star______. rotateEarth’s rotation North Pole B. During the course of the night, all the other stars appear to ____rotate_____ around Polaris due to the ___Earth’s rotation___. Polaris sits nearly directly above the Earth’s ___North Pole____. horizon latitude 44.5 o C. Polaris is useful for navigation. The angle between Polaris and the ____horizon____ is equal to the observer’s _____ latitude _____. The angle between Polaris and the horizon as observed from Essex Junction is 44.5 o. This means Essex Junction is at latitude _____44.5 o _______. 0 o D. At the equator, how far above the horizon would Polaris be? ___0 o __ E. At the North Pole, how far above the horizon would Polaris be? _____ Polaris angle = latitude

IV. Polaris North Star A. Another name for Polaris is the ____North Star______. rotateEarth’s rotation North Pole B. During the course of the night, all the other stars appear to ____rotate_____ around Polaris due to the ___Earth’s rotation___. Polaris sits nearly directly above the Earth’s ___North Pole____. horizon latitude 44.5 o C. Polaris is useful for navigation. The angle between Polaris and the ____horizon____ is equal to the observer’s _____ latitude _____. The angle between Polaris and the horizon as observed from Essex Junction is 44.5 o. This means Essex Junction is at latitude _____44.5 o _______. 0 o D. At the equator, how far above the horizon would Polaris be? ___0 o __ 90 o E. At the North Pole, how far above the horizon would Polaris be? _90 o _ Polaris angle = latitude