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Seasonal Star Maps, Constellations, and Asterisms
Transcript of Seasonal Star Maps, Constellations, and Asterisms
They also show constellations and asterisms in certain positions at certain times Polaris in Ursa Minor Polaris is often called the North Star
It is said that it appears to stay fixed in its position in the sky
This characteristic makes it easy to recognize Polaris, and it can help people find their way at night
It is said that other stars revolve around the North Star About Polaris Pleiades is a star cluster found within the constellation Taurus
Pleiades is shown in different hemispheres during different seasons
The name is also well known in mythology.
It is somewhat near to the Earth About Pleiades Big Dipper Big Dipper in Ursa Major Many times, asterisms are found within constellations
Example: The Big Dipper is in Ursa Major
Ursa Major Examples THE BASICS The International Astronomical Union (IAU) was founded in 1919
Its objective and purpose being to promote and to keep safe the science of astronomy in all aspects through worldwide cooperation
They name celestial objects (such as stars in space)
It consists of professional astronomers at Ph. D level and beyond The International Astronomical Union (IAU) Talk about constellations! Most constellation names come from Latin origin There are 88 official constellations recognized by the International Astronomical Union (IAU) The point is to recognize which stars are which
They can help people find their direction
There are so many stars in the sky, so constellations help “break up” the sky into more manageable bits
Dependence on the sky has become a strong part of many cultures Examples
The Big Dipper A constellation is an officially recognized grouping of stars Constellations are totally made up! Anyone can interpret them differently! So then what’s the point? An asterism is a distinctive star pattern. It is not one of the official patterns recognized by the IAU Let's play a game of... Jeopardy! But... WHY?! I DON'T UNDERSTAND