The Earth is tilted. As it goes around the sun we see different areas of the sky during the year.
The winter night sky is the opposite direction from the summer night sky. The constellations you see in winter are on the other side of the sun in summer, so you would only see them in summer during a total solar eclipse.
During the summer season, the winter seasonal constellations will not be visible in the night sky. This is because the Earth is positioned on the opposite side of the Sun from where these constellations are located, making them hidden from view at night.
As Earth orbits the sun - it takes one year to get around it - we see different parts of space and different patterns of stars, as Earth turns away from the sun every night. The constellations we see on a night in summer, are behind the Sun during the winter.
First of all - constellations are simply patterns of stars. As Earth travels around the sun once every year (it's orbit), we see all the different stars, in all the different directions in space, as we turn away from the sun every night. So - the constellations we see at NIGHT in the SUMMER are the same ones that are in the DAYTIME sky during the WINTER - we just can't see them because our atmosphere scatters the sun's light during the day.
seasons
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In the northern hemisphere the constellations on the meridian on June 21 have a right ascension of 18 hours, and constellations from 15 to 18 hours can be seen in summer evenings. They are not as bright as the winter constellations. The main ones are Boötes (main star Arcturus), Corona Borealis, Serpens Caput, Libra, Hercules and Ophiuchus. In the southern sky, Scorpio (main star Antares). In the summer the circumpolar constellations like Cassiopeia, Ursa Major, Perseus and Draco can be seen although not in their usual winter positions.
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You can see Scorpius, Sagittarius, Cygnus the swan, Lyra, the Harp, Aquila the Eagle - that's 5, but you can see over 40 more...
Constellations can be seen throughout the year, but different constellations are visible during different seasons. For example, during summer in the Northern Hemisphere, constellations like Scorpius and Cygnus are prominent in the night sky, while in winter, Orion and Taurus are more visible.
Great question - you would see the same constellations in the sky on a Winter day that you would see in the sky on a Summer night. And there are too many to mention here - almost 40+ constellations.
In reality, the answer is just as many as in the winter. The thing is that there is less hours of darkness during the summer. Also, depending on your location, it may never get totally dark during the middle of the summer, especially if you look towards the north. These are the factors that make it more difficult to see the constellations. Also, the actual constellations on view are better in the winter. Orion is the best constellation of all, and it is only seen during the winter months. Even in summer there are good things to see. There are some bright stars, like Altair, Deneb and Vega, which together are known as the summer triangle. Antares, can be seen low and to the south. Get a good sky atlas or check out the websites about astronomy and they will tell you what you can see. Check out the one at the link below, called Heavens Above. If you go to it and enter your location, it will show you what you can see. There are many other similar sites.