Ishq write a lunar eclipse
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Answer:
lunar eclipse occurs when the Moon moves into the Earth's shadow. This can occur only when the Sun, Earth, and Moon are exactly or very closely aligned with Earth between the other two, and only on the night of a full moon.
How to see a Lunar Eclipse?
The Moon Looks Red
Even though Earth blocks sunlight from directly reaching the surface of the Moon during a total lunar eclipse, the Moon is still visible to the naked eye. This is because Earth's atmosphere bends sunlight and indirectly lights up the Moon's surface.
When sunlight passes through the Earth's atmosphere, it gets refracted towards the Earth's surface, and part of it—the colors with shorter wavelengths—gets scattered and filtered out, while the rest, colors with longer wavelengths like orange and red, passes through the atmosphere. This light is once again refracted towards the surface of the fully eclipsed Moon, thus illuminating it in a reddish-orange glow. Because of this, a total lunar eclipse is sometimes colloquially called a Blood Moon.
Why does the Moon look red?
Different Colored Eclipses
A lunar eclipse can also be yellow, orange, or brown in color. This is because different types of dust particles and clouds in Earth's atmosphere allow different wavelengths to reach the surface of the Moon.
Tetrads and Blood Moons
A series of four consecutive total lunar eclipses with no partial or penumbral lunar eclipses in between is called a lunar tetrad. In recent years, eclipses in a lunar tetrad have also been popularly called Blood Moons. This usage of the term has no technical or astronomical basis and it is thought that it has Biblical origins.
7 Stages of the Eclipse
A total lunar eclipse usually happens within a few hours. Totality can range anywhere from a few seconds to about 100 minutes. The July 26, 1953 total lunar eclipse had one of the longest periods of totality in the 20th century—100 minutes and 43 seconds.
There are 7 stages of a total lunar eclipse:
Penumbral eclipse begins: This begins when the penumbral part of Earth's shadow starts moving over the Moon. This phase is not easily seen by the naked eye.
Partial eclipse begins: Earth's umbra starts covering the Moon, making the eclipse more visible.
Total eclipse begins: Earth's umbra completely covers the Moon and the Moon is red, brown, or yellow in color.
Maximum eclipse: This is the middle of the total eclipse.
Total eclipse ends: At this stage, Earth's umbra starts moving away from the Moon's surface.
Partial eclipse ends: Earth's umbra completely leaves the Moon's surface.
Penumbral eclipse ends: At this point, the eclipse ends and Earth's shadow completely moves away from the Moon.
Where Can I See a Total Lunar Eclipse?
Almost everyone on the night side of Earth can see a total eclipse of the Moon. Because of this, most people have higher chances of seeing a total lunar eclipse than a total solar eclipse, even though both occur at similar intervals.
What is earthshine?
No Special Equipment Needed
Unlike solar eclipses, observing a total lunar eclipse does not require any special equipment. Lunar eclipses are safe to see with the naked and unaided eye.
How Often Do They Happen?
About 35% of all lunar eclipses in a calendar year are total lunar eclipses. On average, a total lunar eclipse can be seen from any given location every 2.5 years.