Photographed by photographer Max Moorman of the Milky Way over Goblyn Valley State Park in Utah. Click here for more information. Max took the photo in June, when the Milky Way was clearly visible in the night sky.
This month, if you, in the Northern Hemisphere, want to find the star-studded Milky Way at night, you will find nothing. Because, on a May night, from the perspective of the Earth's northern hemisphere, the plane of the Milky Way almost coincides with the horizon. After sunset, the light of the Milky Way does not cross the sky dome. In other words, the Milky Way in May is lying almost flat on the horizon.
How about being more specific? That is to say, at about 30° north latitude, Jacksonville, Florida, Cairo, Egypt, and Chengdu, China, can see a silver disk around the ground level.
North of that latitude, in the late afternoon of May, the silver plate rises slightly on the northern horizon.
To the south of 30 degrees north latitude, the silver plate rises above the southern horizon. Continue south into the Southern Hemisphere, where you will be well placed to enjoy the Milky Way in the late afternoon of May. The Southern Cross is a symbol of the southern tip of the Milky Way and is visible in the late afternoon in the southern and northern hemispheres.
At the end of the day, all of the above depends on our vision of the sky, because we are not only circling around the sun, but also in different corners of the earth. The Milky Way did completely envelop us in space, yet the silver disk was flat, like a pie. Below is an all-day map of the 25,000 brightest and whitenest stars in the Milky Way. The figure shows how these stars are concentrated near flattened silver disks, as we saw in the sky.
This map of the brightest stars in the Milky Way shows a limited view of what we see from the interior of our own milky way, just as we see it in the sky. The large black spot near the center of the image is a star obscured by dark nebulae or large sheets of gas and dust. Image source: altasoftheuniverse
Every evening and early morning, the Milky Way surrounds the horizon, so we can only wait until late at night to catch a glimpse of this star path. And then..... wow! Beautiful! When will you see the Milky Way again?
Due to the Rotation and Rotation of the Earth, the stars also rise in the east and set in the west like the Sun. So you can see the Milky Way today, but you'll have to stay up late — around midnight in early May, and two hours earlier in June.
Or, when weeks or months have passed and the Earth continues to orbit the sun as usual, you can see the Milky Way earlier in the night. As the Earth orbits the Sun, our night sky points to an ever-changing panorama of galaxies. By June, if you stand outside in the dark of night, you may see the starlight of the Milky Way rising in your eastern sky.
In July or August, the Milky Way will rise higher in the night. In fact, August is often considered the best month to watch the Milky Way. Viewed from the hemisphere of our planet, the Milky Way spans the entire sky on the night of August. The heartland of the galaxy — the star-studded Milky Way extending into a wide avenue of stars — is clearly visible in the night sky of the southern hemisphere (for our northern hemisphere observers) in August. Viewed from the southern hemisphere, the night view is even more beautiful, because in August, the center of the Milky Way is closer to the southernmost point of the Earth.
The night view will be very beautiful and patient.
The Starlight Belt of the Milky Way. This is a photo taken by Larry Landofi through NASA.
Summary: Suppose you are in the Northern Hemisphere, at dusk or late afternoon in May, and the plane of the Milky Way almost coincides with the horizon. If you stay up until midnight, you will see the Galactic Star belt rising in the eastern night sky.
<h1>Resources</h1>
1. WJ Encyclopedia
2. Astronomical terms
3. earthsky
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