Constellation Connection Constellation Connection PresentsPresents

Draco & CancerDraco & Cancer

What is a constellation?What is a constellation?

A constellation is a group of stars.A constellation is a group of stars.

What is a circumpolar What is a circumpolar constellation?constellation?

A circumpolar constellation is one whose A circumpolar constellation is one whose apparent path seems to circle a celestial apparent path seems to circle a celestial pole.pole.

Meet a circumpolar constellationMeet a circumpolar constellation

This is Draco. This is Draco.

It is also known as The DragonIt is also known as The Dragon

He got his nickname He got his nickname because of how he because of how he looks, which is a looks, which is a dragon.dragon.

Stars that make up Draco!Stars that make up Draco! The 3 brightest stars are The 3 brightest stars are

Eltanin, Rastaban, & Eltanin, Rastaban, & Altais.Altais.

Eltanin is the brightest Eltanin is the brightest star of the 3 brightest star of the 3 brightest stars.stars.

Altais is the next brightest Altais is the next brightest star.star.

Then it is Rastaban which Then it is Rastaban which is the least brightest out is the least brightest out of the 3 brightest stars on of the 3 brightest stars on DracoDraco

Where can you find Draco in the Where can you find Draco in the sky?sky?

Hercules, Lyra, & Ursa Major,Hercules, Lyra, & Ursa Major, 17 H:00’ +65 degrees17 H:00’ +65 degrees Four galaxies and a Planetary Four galaxies and a Planetary

NebulaNebulaDraco

Cepheus

Ursa minor

Myth of DracoMyth of Draco

Characters Characters AthenaAthena DracoDraco

Myth of DracoMyth of Draco

Athena was attacked by a dragon. She Athena was attacked by a dragon. She flung it into the air, she wrapping it around the flung it into the air, she wrapping it around the pole. To this day the dragon remains in the pole. To this day the dragon remains in the night sky.night sky.

The constellation Draco can be found The constellation Draco can be found revolving around the celestial North Pole. This revolving around the celestial North Pole. This type of constellation is said to be circumpolar.type of constellation is said to be circumpolar.

What is a seasonal What is a seasonal constellation?constellation?

A seasonal constellation is a constellation A seasonal constellation is a constellation you could see during a season.you could see during a season.

Meet a seasonal constellationMeet a seasonal constellation

This constellation is This constellation is Cancer. Cancer.

You can see it in You can see it in Spring & Autumn.Spring & Autumn.

It is also known as The CrabIt is also known as The Crab

The Crab is it’s The Crab is it’s nickname because he nickname because he looks like a crab.looks like a crab.

Stars that make up CancerStars that make up Cancer

The 3 brightest stars The 3 brightest stars are Acubens, Asellus are Acubens, Asellus Australis, & Asellus Australis, & Asellus Borealis.Borealis.

Asellus Astralis is the Asellus Astralis is the brightest star out of brightest star out of the 3 brightest stars the 3 brightest stars on Cancer, then it’s on Cancer, then it’s Asellus Borealis, and Asellus Borealis, and the 3the 3rdrd brightest star is brightest star is Acubens. Acubens.

Where can you find Cancer in the Where can you find Cancer in the sky?sky?

Leo Minor, Lynx & Canis Leo Minor, Lynx & Canis Minor border my Minor border my constellation.constellation.

08 h: 40’ +20 degrees08 h: 40’ +20 degrees 2 Open Clusters2 Open Clusters

Cancer

Leo

Sextans

Lynx

Hydra

Myth of CancerMyth of Cancer

Characters Characters The Gods are Hera and HerculesThe Gods are Hera and Hercules The monster is HydraThe monster is Hydra

Myth of CancerMyth of Cancer

Hera had sent Cancer (The Crab) to distract Hera had sent Cancer (The Crab) to distract Hercules while he was fighting Hydra The Hercules while he was fighting Hydra The Water Snake. So Cancer had distracted him Water Snake. So Cancer had distracted him for a moment but Hercules had the power to for a moment but Hercules had the power to turn around and step on Cancer and kill him. turn around and step on Cancer and kill him. Once Hera placed Cancer in the sky, Hera Once Hera placed Cancer in the sky, Hera made him dim because he wasn’t successful. made him dim because he wasn’t successful.

ReferencesReferences

"Constellation." "Constellation." The The Constellations:starshine.comConstellations:starshine.com. 10/2/07. 25 Apr . 10/2/07. 25 Apr 2007 2007 <http://www.starshine.com/frank/astromomy/co<http://www.starshine.com/frank/astromomy/consellations.asp>. nsellations.asp>.

““Constellation of the Night Sky." Constellation of the Night Sky." Constellation:Cancer,The CrabConstellation:Cancer,The Crab. 23/4/07. 26 Apr . 23/4/07. 26 Apr 2007 <http :// 2007 <http :// www.r-clarke.org.uk/constellation/cancer.htm>. www.r-clarke.org.uk/constellation/cancer.htm>.

ReferencesReferences

Dolan, Chris. "Cancer." Dolan, Chris. "Cancer." CancerCancer. 23/4/07. 26 . 23/4/07. 26 Apr 2007 Apr 2007 <http://www.astro.wisc.edu/~dolan/constellation<http://www.astro.wisc.edu/~dolan/constellation/cancer.htm/>. /cancer.htm/>.

"The Constellation of the Night Sky." "The Constellation of the Night Sky." Draco the Draco the DragonDragon. 23/4/07. 26 Apr 2007 . 23/4/07. 26 Apr 2007