People can see the seasonal constellations during certain seasons. On a summer night, people on Earth are looking out toward one direction in space. On a winter night, those same people are looking at a different part of space. Therefore, they see different constellations. At the equator there are no seasons because each day the Sun strikes at about the same angle. Every day of the year the equator receives about 12 hours of sunlight. The poles remain cool because they are never tilted in a direct path of sunlight. Since the sun only shines for about half the day, you lose sight of constellations blocked by sunlight. Plus, because the Earth is orbiting the sun, you can see different parts of the sky depending on the time of year. Even so, there are some things you can't see at all depending on which hemisphere you live in.

Not only does the earth rotate, but it also Orbitsaround the Sun. Where the Earth is located in its yearly orbit determines its seasonal constellations, because our perspective of the sky has changed. The appearance of the sky rotating is actually caused by the Rotation of the Earth. In the winter months, stargazers in the Northern Hemisphere look into the night sky and see Orion the Hunter. The same spot in the summertime revels the stars of Scorpius. In the spring, the constellation of the Sickle of Leo, the Lion, is present. Finally, in the fall, the Great Square of Pegasus comes into view. While the North Pole faces outwards to the Universe beyond, the South Pole points to the galactic centre of the Milky Way. This means more bright stars and more constellations containing more stunning objects. Plus, everything in the southern hemisphere sky will look upside down, if you're used to northern skies. The majority of the modern 36 northern constellations are based on the Greek constellations, first catalogued by the astronomer Ptolemy in the 2nd century. Many of them are associated with Greek myths and legends. At the equator there are no seasons because each day the Sun strikes at about the same angle. Every day of the year the equator receives about 12 hours of sunlight. The poles remain cool because they are never tilted in a direct path of sunlight. The seasons in the Northern Hemisphere are the opposite of those in the Southern Hemisphere. This means that in Argentina and Australia, winter begins in June. The winter solstice in the Southern Hemisphere is June 20 or 21, while the summer solstice, the longest day of the year, is December 21 or 22. Equatorial region has a warm climate throughout the year. This is why the regions near the equator do not experience winter. As the earth spins on its axis, producing night and day, it also moves about the sun in an elliptical orbit that requires about 365 1/4 days to complete. The earth's spin axis is tilted with respect to its orbital plane. The constellations you can see at night depend on the time of year. Earth orbits around the Sun once each year. Our view into space through the night sky changes as we orbit. So, the night sky looks slightly different each night because Earth is in a different spot in its orbit.

While the North Pole faces outwards to the Universe beyond, the South Pole points to the galactic centre of the Milky Way. This means more bright stars and more constellations containing more stunning objects. All the constellations appear to move in the sky from west to east because the earth rotates from west to east. Moreover, all constellations in the Southern Hemisphere are not visible in the Northern Hemisphere and vice versa. This is because the earth is round and some constellations do not fall in the line of sight. This is due to the fact that since the Earth rotates on an axis that points north, which would be on the horizon from a person at the equator, all stars and constellations rise and set. If observed through the year, the constellations shift gradually to the west. This is caused by Earth's orbit around our Sun. In the summer, viewers are looking in a different direction in space at night than they are during the winter. Some constellations can only be seen completely by someone who is in a certain region of the Earth. As Ursa Minor is not observed by us in the Southern Hemisphere, only by those in the Northern Hemisphere. Southern circumpolar constellations include Phoenix, Grus, Tucana, Eridanus, Hydrus, Lupus, Cruz, Centaurus and Carina, among others. The changing sky has always fascinated mankind. So, humanity created myths and legends about the moon and stars.While the North Pole faces outwards to the Universe beyond, the south pole points to the galactic centre of the Milky Way. This means more bright stars and more constellations containing more stunning objects. Plus, everything in the southern hemisphere sky will look upside down, if you're used to northern skies.