Transcript I. Constellations

Constellations
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
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
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
____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
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
____area____ of the sky as determined by the International
Astronomical Union (IAU).
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
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
____area____ of the sky as determined by the International
Astronomical Union (IAU).
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
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
____area____ of the sky as determined by the International
Astronomical Union (IAU).
C. The celestial sphere is divided into __88___ contiguous regions
know as constellations.
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
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
____area____ of the sky as determined by the International
Astronomical Union (IAU).
C. The celestial sphere is divided into __88___ contiguous regions
know as constellations.
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
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
____area____ of the sky as determined by the International
Astronomical Union (IAU).
C. The celestial sphere is divided into __88___ contiguous regions
know as constellations.
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 ___ecliptic____ passes through __13___
of the 88 constellations. These particular constellations are called the
zodiac constellations.
Ecliptic
Name
IAU Boundaries (2011)
Aries
Apr 19 – May 14
Taurus
May 14 – Jun 21
Gemini
Ecliptic
Jun 21 – Jul 21
Cancer
Jul 21 – Aug 11
Leo
Aug 11 – Sep 17
Virgo
Sep 17 – Oct 31
Libra
Oct 31 – Nov 21
Scorpius
Nov 21 – Nov 30
Ophiuchus
Nov 30 – Dec 18
Sagittarius
Dec 18 – Jan 21
Capricornus
Jan 21 – Feb 17
Aquarius
Feb 17 – Mar 21
Pisces
Mar 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 44.49o. 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
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 44.49o. 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
A. Another name for Polaris is the ____North Star______.
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 44.49o. 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
A. Another name for Polaris is the ____North Star______.
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 44.49o. 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
A. Another name for Polaris is the ____North Star______.
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
____horizon____ is equal to the observer’s _____ latitude _____.
The angle between Polaris and the horizon as observed from Essex
Junction is 44.5o. This means Essex Junction is at latitude
_____44.5o _______.
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
A. Another name for Polaris is the ____North Star______.
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
____horizon____ is equal to the observer’s _____ latitude _____.
The angle between Polaris and the horizon as observed from Essex
Junction is 44.5o. This means Essex Junction is at latitude
_____44.5o _______.
Polaris
angle = 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
A. Another name for Polaris is the ____North Star______.
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
____horizon____ is equal to the observer’s _____ latitude _____.
The angle between Polaris and the horizon as observed from Essex
Junction is 44.5o. This means Essex Junction is at latitude
_____44.5o _______.
Polaris
angle = latitude
D. At the equator, how far above the horizon would Polaris be? ___0o__
E. At the North Pole, how far above the horizon would Polaris be? _____
IV. Polaris
A. Another name for Polaris is the ____North Star______.
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
____horizon____ is equal to the observer’s _____ latitude _____.
The angle between Polaris and the horizon as observed from Essex
Junction is 44.5o. This means Essex Junction is at latitude
_____44.5o _______.
Polaris
angle = latitude
D. At the equator, how far above the horizon would Polaris be? ___0o__
E. At the North Pole, how far above the horizon would Polaris be? _90o _