On Oct. 2, an annular lunar eclipse it will be visible from the Southern Hemisphere. In these cases, the moon does not completely cover the sun from Earth’s point of view, so it leaves a “ring of fire” around the moon.
The moon’s shadow will appear to move at a very different speed depending on where you are. In some areas, it will travel faster than 6 million mph (10 million km/h); in others, it will travel as slowly as 1,278 mph (2,057 km/h), or the speed of a fighter jet.
During the annular period eclipsethe shadow of the moon will appear The world from northwest to southeast, but because the planet is round, the shadow will pass through a curved area. Therefore, the distance between the points where the eclipse occurs is space month it will change continuously. So is the orbital speed of the moon. Combined, those factors mean that the speed of the shadow will vary greatly.
See how fast and slow the moon’s shadow moves to get ready 2024 annular lunar eclipse. Remember, during an annular eclipse, it is not good to look directly at it the sun without solar eclipse glasses designed to observe solar panels. Read our guide how to watch the sun safely.
Related: Where can I see the annual eclipse on Oct. 2, 2024?
Where the annular eclipse will move very quickly
The event will begin at sunrise, peak at noon and end at sunset. The curvature of the Earth makes a big difference in the apparent speed of the moon’s shadow on its surface, with the extremes seen much faster. After all, that’s where the shadow hits Earth the furthest.
As it begins to hit the middle of the Pacific Ocean, south of Hawaii, the “antumbral” shadow of the moon – in which the “ring of fire” will be seen – will move at an incredible 5.31 million mph (8.55 million km/h). according to Xavier Jubier’s eclipse map. When it leaves Earth 229 minutes later, near the island of South Georgia in the southern Atlantic Ocean, it will do so at 6.25 million mph (10 million km/h).
At this time, the shadow of the moon will be touching and leaving the Earth, so the speed of the shadow will be infinite. This makes these alarming statistics meaningless. Therefore, it is important to estimate the speed of the shadow at the point where the fire ring appears dead on the horizon. At that point, the moon’s shadow will travel at 5,131 mph (8,258 km/h) and 8,893 mph (14,312 km/h), respectively.
Where the annular eclipse will move slowly
The ring of fire lasts the longest as the moon’s shadow moves slowly. In this case, the ring of fire will be visible for 7 minutes, 25 seconds, as seen from the Pacific Ocean northwest of Easter Island / Rapa Nui, where the shadow of the moon will travel at a speed of 1,278 mph (2,057 km / h / h). h).
Why slow? At this time, it will be noon, the sun is very close to the surface (about 68 degrees above north), and the sun is shining. the distance between the Earth and the moon will be at least. Therefore, the shadow of the moon will be as close to perpendicular to the surface as it is, so it will appear to be moving slowly. This is where the shadow will take the longest time to move around the earth, so from the inside, the ring of fire will be visible for the longest time.
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