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>.