Which of these is the correct official definition of a constellation?

1 : the configuration of stars especially at one’s birth. 2 : any of 88 arbitrary configurations of stars or an area of the celestial sphere covering one of these configurations the constellation Orion.

What is the official definition of a constellation?

constellation, in astronomy, any of certain groupings of stars that were imagined—at least by those who named them—to form conspicuous configurations of objects or creatures in the sky. Constellations are useful in assisting astronomers and navigators to locate certain stars.

Which of the following describes a constellation?

A constellation is a name given to a group of stars in the sky that make up a certain pattern. … When the sky is clear these stars can be seen from Earth without the use of a telescope. There are 88 named constellations, and they take many forms, including mythological creatures, animals, people and objects.

What is a constellation quizlet?

a constellation is a group of stars that form a pattern in the sky and an asterism is a smaller part of the constellation.

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What is a constellation short answer?

A constellation is a group of stars which make up imaginary outline or pattern in the night sky (the celestial sphere). … The word constellation comes from Latin: con-, meaning together and stella- meaning stars. Some examples of constellations are Ursa major, Orion, Leo, Draco, Cancer etc.

What is a constellation Class 8?

The group of stars which appears to form some recognisable shape or pattern is known as a constellation. A constellation consists of a group of a large number of stars, some of which are bright and can be seen easily with the naked eye whereas others are dim and seen with difficulty.

What is a constellation Class 6?

Constellations: In the night sky, you can see different patterns formed by groups of stars. Such a pattern of stars is called constellation. Ursa Major or Big Bear is one such constellation.

What is a constellation example?

Examples of constellations include things like Orion, Leo, Draco or Cancer. Examples of star clusters on the other hand have scientific names like M67, M92 or the Pleiades cluster. Modern astronomers only use constellations to break the sky into regions.

Which among the following is a constellation answer?

Ans. A group of star which has a recognizable shape is called constellation. Two constellations are great Bear and Orion.

How many official constellations are there?

IAU and the 88 Constellations.

What is meant by the horizon quizlet?

Horizon. The circle on the celestial sphere defined by the projection of the Earth’s plane tangent to the surface of the Earth at the observer’s location on to the sky; separates the half the sky visible from the half not visible.

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What are constellations and how did they get their names quizlet?

How did they get their names? Constellations: “is a region of the sky with well-defined borders; the familiar patterns of stars merely help us locate the constellations” (25). They received their names by ancient people of different cultures gave names to the different patterns of star.

What is the zenith quizlet?

Zenith. The point on the sky sphere directly above the head of observer. Azimuth. The measure of how far around the circual base of the hemisphere or how far along the herizon relative to true north an object is.

What is a constellation Class 7?

Answer: (a) A group of stars forming a definite shape is known as constellation. Few examples of constellations are Orion, Big Dipper.

Why do we describe constellations?

Constellations can be a useful way to help identify positions of stars in the sky. Constellations have imaginary boundaries formed by “connecting the dots” and all the stars within those boundaries are labeled with the name of that constellation.

What is constellation Name any two constellation short answer?

A constellation is a group of stars that together form specific patterns. … Aries and Ursa major are the two examples of constellations.