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It usually represents a city. Check the legend of your map and it will explain all of the symbols.
See related link for a star map
The star you're looking for to tell direction is Polaris, the North Star. If you know what time it is, and have an accurate star map, you could use Betelgeuse to tell direction, but it's difficult.
11h 00m 00s, +15° 00′ 00″
A map of the stars, relative positions and names. Allowing an astronomer to detect and observe a particular star or area of interest. See related link for a star map of the little dipper (Ursa Minor).
There are THREE stars of the Big Dipper's handle - Alkaid (the end of the handle), Mizar (and tiny Alcor next to it - barely visible), and Alioth.
One way to find Polaris, the North Star, is to look for the "Big Dipper" and then look at the two stars forming the edge of the "bowl" on the dipper opposite the handle (these are Merak and Dubhe). Look straight along the line formed by the two stars "up" from the dipper about twice the distance that separates the two stars and you should see it. It will generally be in a northern part of the sky. The North Star is also the only one that doesn't move through the night. All other stars will appear to rotate around it. Another way is to locate the Little Dipper (Ursa Minor) and Polaris will be the star at the end of the handle.
The stars in the big dipper all have different colours, as the colour of a star depends on its temperature.Dubhe - OrangeMerak - White -> Blue whitePhecda - White -> Blue whiteMegrez - WhiteAlioth - Blue whiteMizar - Blue whiteAlkaid - Blue.
The Little Dipper is an "asterism" ... a recognizable pattern of stars that doesn't include the entire constellation ... in the constellation of "Ursa Minor" (the "Little Bear"). In most of the USA, the Little Dipper is visible at any time of any night of the year, in the northern sky. The end of its 'handle' is Polaris, the North Star, which appears to never move. The handle remains nailed to the North Star, and the dipper spins around it like the hand of a clock, once in 24 hours.
The purpose of constellation maps is to determine what mythical creature is made with the formation and the location of the stars. The constellation maps points to constellations such as the Big Dipper for an example and then directs the map user to the Little Dipper.
To find the constellation Lyra in the night sky, look for the bright star Vega, which is the fifth brightest star in the sky. Lyra is located near Vega and is recognizable by its distinctive parallelogram shape of stars. Using a star map or a stargazing app can also help you locate Lyra.
a star is a capital, a dot is a big city
a big red and white star
A star symbol found on a map, generally indicates the absolute location of a capital city. To find the absolute location of a place on a map, longitude and latitude are used.
star in circle
A map key is found on a map. It tells what certain symbols on the map mean. For example, the "star" on most maps means state/country capitals. It is in a small box.