Transcript How to Find the North Star ppt

Geography
How to locate the North Star
Determining North
Without a Compass
 Source:

“How to find the North Star.” Survival Topics.
26 Aug. 2008.
<http://www.survivaltopics.com/survival/howto-find-the-north-star/>
Constellation - Constellation - a group of
stars forming a recognizable pattern that is
traditionally named after its apparent form or
identified with a mythological figure. Modern
astronomers divide the sky into eighty-eight
constellations with defined boundaries
 Erroneously
- traces back to the Latin word
errare, meaning “to stray, err.” If something's
done erroneously, you can think of it as
straying from the right path and ending up
going in the wrong direction.
 Celestial
- positioned in or relating to the sky,
or outer space as observed in astronomy.
 Lodestar- a star that is used to guide the
course of a ship, especially Polaris.
 Asterisms
- a prominent pattern or group of
stars, typically having a popular name but
smaller than a constellation.
 Declination
- the angular distance of a point
north or south of the celestial equator.
 Polestar
 Polaris
- another term for Polaris.
- A star located at the end of the
handle of the Little Dipper, in the constellation
Ursa Minor, approximately 408 light years from
Earth, and almost at the north celestial pole.
Also called North Star, polar star, polestar.
Facts you thought you knew…
 It’s
the brightest stars in the sky.
 It’s one of the biggest star in the sky.
 It’s part of the big dipper.
Where did you learn these facts?
They are all UNTRUE!
The REAL Facts.
 The
brightest star in the sky is Sirius.
 Sirius is 22 times brighter than the North
Star
The REAL Facts.
 The
North Star is named Polaris.
 It is found in the LITTLE Dipper.
 The BIG Dipper is more easily visible and
can be used to locate the Little Dipper.
How to find the North Star
http://www.survivaltopics.com/survival/how-to-find-the-north-star/north-star-location-205/
Directions
 First,
find the Big Dipper. Draw an straight
line between the two stars of the Big
Dipper as shown, toward the Little Dipper.
 The North Star is located at the end of the
handle of the Little Dipper.
 The Polestar is the brightest of the Little
Dipper stars.
Why were some of us
misinformed?
 Wrong
way video from ehow
 Correct
way video