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Telescope
There are officially 88 constellations.
Constellations are used to identify groups of stars in the sky. It is easier to refer to the 88 constellations than to remember the location of each star. It's like dividing a city into neighborhoods, instead of houses.
you need to find where the north star is a follow it
It is an easy way of identifying groups of stars and labelling and naming stars within constellations. Many constellations are long established. So they are also commonly known by people, making it easier for people to understand what is being talked about, be they scientists or ordinary people who can identify constellations and stars.
Telescope
There are officially 88 constellations.
Constellations are used to identify groups of stars in the sky. It is easier to refer to the 88 constellations than to remember the location of each star. It's like dividing a city into neighborhoods, instead of houses.
you need to find where the north star is a follow it
It is an easy way of identifying groups of stars and labelling and naming stars within constellations. Many constellations are long established. So they are also commonly known by people, making it easier for people to understand what is being talked about, be they scientists or ordinary people who can identify constellations and stars.
Constellations are simply pattern of stars that with a little imagination, resemble objects, people or animals. You don't need anything to identify them other then your eyes and a little imagination.
it is called an star chart
Constellations are groups of stars that are associated by the human tendency to identify patterns and assign labels to them. In that sense, they are as real as ethics, nations, justice, and political parties.
Most constellations are circumpolar. Over the course of a night they appear to rotate around the North pole and so do not identify a specific direction. As a reult they are of little use for navigation.
The constellations make a "complete circle" over the course of a year... that is, the stars that were visible at midnight on October 17 this year are the same ones that were visible on October 17 of last year, and so on. If you can roughly identify midnight and you're familiar with the constellations, you can make a pretty good guess as to the date just by looking up, and figuring out the season is much easier than that.
zcg
they do because they know which constellations go north, south, west, and east Also, they would get lost without constellations.