A galaxy. Nebula A giant molecular cloud is a form of nebula. The stars in a constellation have no mutualrelationships beyond belonging to the same galaxy … , and though thepictures originated in ancient astrologies and myths, they are usednowadays as "sky-marks" to direct astronomical observations.
An apparent grouping of stars as the Big Dipper is an asterism , formerly called a constellation. These non-official constellations are called "asterisms". What is called a group of stars?
For example, the pattern that the Greeks named Orion the hunter was also seen by the ancient Chinese who saw it as a supreme warrior named Shen. A solar system has one star with planets orbiting it. A Constellation. The official constellation "Ursa Major" or the "Great Bear" includes the eight stars of the Big Dipper, and several additional stars as well.
The central bulge is about 12,000 to 16,000 light-years wide and 6,000 to 10,000 light-years thick. Both 1 and 2 are artificial designations and arrangements. In ancient times the Constellation was called Helike turning because it turns revolves around the north pole. Globular clusters don't have much dust in them—the dust has already formed into stars. Typically, elliptical galaxies contain very little gas and dust because the gas and dust has already formed into stars.
Some smaller groups of stars are called clusters. If you look to the lower left of Sirius A in the figure, you can see a much smaller star. What is it called when a group of stars contain more than a million stars? Astronomers use the term constellation to refer to an area of the sky.
There isn't really a word for a group of stars that don't make a pattern, because there's no such thing: Most people have never seen Mercury and everyone has seen Venus - whether they know it or not. What are main group of star? Other galaxies are extremely far away, much farther away than even the most distant stars you can see. If Mercury is the closest to the sun why hasn't the sun burnt the planet to a crisp?
The patterns of stars seen in the sky are usually called constellations, although more acurately, a group of stars that forms a pattern in the sky is called an asterism. Report Abuse.
MORE Why do stars tend to form in groups?