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It half of the celestial sphere, which is an imaginary sphere with the Earth at the centre, on which all objects in the sky can have their positions described by a type of latitude (declination) and a type of longitude (right-ascension). Declination goes from -90 degrees (south) to +90 degrees (north), while right ascension goes from 0 to 24 hours. They are called geocentric coordinates, and although we know the Earth is not at the centre of anything, they are useful in describing where to look for a star or to point a telescope.
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What two-word term do astronomers use to designate the half of the celestial sphere which is south of the celestial Equator?
The Southern Hemisphere
What is the longitude of delphinus?
The longitude of Delphinus, the constellation, is around 300 to 330 degrees in the celestial coordinate system. This places it in the northern celestial hemisphere.
Where is Aquarius located?
In the spring it is located in the southern hemisphere In the fall it is located in the morthern hemisphere
What hemisphere is Vulpecula in?
Vulpecula is a faint constellation in the northern hemisphere.It is located in the "middle" of Deneb, Altair and Vega.See related link for a star map.
What is the event when the sun crosses the celestial equator?
The event when the sun crosses the celestial equator is known as the equinox. There are two equinoxes in a year: the vernal (spring) equinox and the autumnal equinox. During these times, day and night are approximately equal in length all over the world. The vernal equinox marks the beginning of spring in the Northern Hemisphere and fall in the Southern Hemisphere, while the autumnal equinox marks the beginning of fall in the Northern Hemisphere and spring in the Southern Hemisphere.
Is Ursa Minor in the northern or southern hemisphere?
In the Northern celestial hemisphere.
In which hemisphere is the little dipper?
The little dipper, Ursa Minor, is a constellation in the northern celestial hemisphere.
What two-word term do astronomers use to designate the half of the celestial sphere which is south of the celestial Equator?
The Southern Hemisphere
What is an hemisphere?
A hemisphere refers to half of the Earth, divided along the equator into the Northern Hemisphere and the Southern Hemisphere. It can also refer to half of any spherical object or celestial body.
Is Cetus the constellation in the northern hemisphere or in the southern hemispher?
Cetus is located in the celestial sphere, and therefore can be seen from both the northern and southern hemispheres. However, it is more easily visible from the southern hemisphere due to its position near the celestial equator.
Which hemisphere can Ursa Minor be seen in?
Ursa Minor can be seen primarily in the Northern Hemisphere. It is located close to the North Celestial Pole, so it is visible year-round in this hemisphere.
Why an observer in the southern hemisphere cannot see the star polaris?
Polaris, the North Star, is located near the North Celestial Pole which is visible only from the Northern Hemisphere. In the Southern Hemisphere, there is no bright star close to the South Celestial Pole like Polaris because the South Celestial Pole does not have a similarly positioned bright star. Therefore, observers in the Southern Hemisphere cannot see Polaris due to its location in the sky.
What is the longitude of delphinus?
The longitude of Delphinus, the constellation, is around 300 to 330 degrees in the celestial coordinate system. This places it in the northern celestial hemisphere.
Is Hercules the constellation located in the northern or southern hemisphere?
Hercules is a constellation located in the northern celestial hemisphere. It is visible to observers in the northern hemisphere and is best seen during the summer months.
What is the legend of Cepheus?
a constellation of the Northern Hemisphere; located near the north celestial pole
What is the definition of a hemiphere?
(often initial capital letter) half of the terrestrial globe or celestial sphere, esp. one of the halves into which the earth is divided. Compare Eastern Hemisphere, Western Hemisphere, Northern Hemisphere, Southern Hemisphere.
Which constellation is closest to the celestial equator?
The celestial equator passes through 15 major constellations, including 5 from the Zodiac:AquilaAquariusCanus MinorCetusEridanusHydraLeoMonocerosOrionOphiuchusPiscesSerpansSextansTaurusVirgo
