Which of the following best describe a constellation?
A constellation is an area on the celestial sphere in which a group of visible stars forms a perceived outline or pattern, typically representing an animal, mythological person or creature, or an inanimate object.
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.
What is true about the celestial equator at all latitudes?
At all latitudes, the celestial equator is a uniform arc or circle because the observer is only finitely far from the plane of the celestial equator, but infinitely far from the celestial equator itself.
Which of the following best defines the celestial equator?
celestial equator is the great circle in which the plane of the terrestrial Equator intersects the celestial sphere; it consequently is equidistant from the celestial poles.
What is a constellation for kids?
A constellation is a group of stars. The groups are identified according to patterns that people have seen in the stars. … They have named many different constellations after familiar animals, everyday objects, and characters and beasts from stories.
What is 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 as astronomers define it today?
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.
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 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.
What is the importance of constellation in our life?
Constellations are useful because they can help people to recognize stars in the sky. By looking for patterns, the stars and locations can be much easier to spot. The constellations had uses in ancient times. They were used to help keep track of the calendar.
Which of the following best describes why we have seasons on Earth?
Which of the following best describes why we have seasons on Earth? The tilt of Earth’s axis causes different portions of the Earth to receive more or less direct sunlight at different times of year.
What are the constellations that lie near the equator?
There are currently six constellations intersected by both the equator and the ecliptic: Aquarius, Leo, Ophiuchus, Pisces, Taurus, and Virgo. Taurus is also intersected by the galactic plane of the Milky Way.
Why do we have seasons on Earth quizlet?
Earth has seasons because it’s axis is tilted as it revolves around the sun. … Summer and winter are caused by Earth’s tilt as it revolves around the sun.
What best describes the Big Dipper?
The Big Dipper is an asterism in the constellation Ursa Major (the Great Bear). One of the most familiar star shapes in the northern sky, it is a useful navigation tool. Asterisms are prominent groups of stars that form patterns but are smaller than, or even part of, a constellation.
What is the celestial equator quizlet?
The celestial equator is an imaginary plane that divides the celestial sphere into North and Southern hemispheres.