Post on 23-Feb-2016
description
THE POLARIS
Chandler Vaughan
Polaris OverviewType: Yellow-White SupergiantSize: 46 times the size of the sunDistance: About 434 Light-years awayBrightness: 1800 times more than the
SunTemperature: 10340 degrees Fahrenheit Home Galaxy: the Milky Way
Why it’s Named?The star is named Polaris because it is the
closest star to be in-line with the celestial or true North Pole.
NicknamesThe Pole StarThe North Star
Lodestar
Cynosure PhoeniceNavigatoria
History and UseThe Greeks called it Phoenice, since the
Phoenicians used it for trading navigation.Also the Polaris is used today to find the
direction North.
Claim to FameThe Polaris is well known due to the belief
that is the brightest star in the night sky. Also it is apart of the Ursa Minor, most commonly known as the little dipper or little bear as seen here.
The TruthMany think it is called the North Star
because it is very bright. But actually, it is quite dim. Instead, the name comes from the fact that it doesn't move from its spot in the night sky.
Polaris in the Main Sequence
Birth Date/Projected Death DateBirth Date: Around 4,600,000,000 B.C.
or near the start of our Solar System (Left)
Projected Death: Unknown but can live billions of years. (Right)
How to Find Graphs
Find the Polaris VideoDirections: Since the Polaris doesn't move in the night sky, try to find it
Sky MappingThis site shows what constellations are in
the night sky, in our area, at different times of night.
Five Question Quiz
QuizQuestion 1: A, B, C, or D
How hot is the Polaris?A. 10340 Degrees FahrenheitB. 9100 Degrees FahrenheitC. 10560 Degrees FahrenheitD. 6790 Degrees Fahrenheit
QuizQuestion 2: A, B, C, or D
What type of star is the Polaris?A. Red GiantB. White DwarfC. Blue GiantD. Yellow-White Supergiant
QuizQuestion 3: Yes or No
Is the Polaris in the Main Sequence?A. YesB. No
QuizQuestion 4: True or False
The Polaris is the brightest star in the sky.
A. TrueB. False
QuizQuestion 5: A, B, C, or D
What constellation is the Polaris in?A. Canis MajorB. Ursa MinorC. Ursa MajorD. Delphinus
Questions
Works Cited. N.p., n.d. Web. 19 Apr 2012.
<http://www.etymonline.com/index.php?term=Polaris>.
. N.p., n.d. Web. 19 Apr 2012. <http://www.windows2universe.org/the_universe/polaris.html>. .
http://www.windows2universe.org/the_universe/Const, n.d. Web. 19 Apr 2012.
. N.p., n.d. Web. 19 Apr 2012. <http://www.youtube.com/watch?v=XTTDWhky9HY>.