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A special sky show is planned for the end of July: The longest total lunar eclipse of the century gives hope for a good view of the blood moon on a balmy summer evening. In addition, Mars is as close to Earth as it is rarely.
Stargazers can look forward to the lunar eclipse of July 27th. For 103 minutes, the moon will plunge into the shadow of the earth. This is due to the fact that the moon is walking in the shadow of the earth in the middle, as explained Markus Griesser, director of the Eschenberg observatory in Wiesendangen ZH, during the discussion with the 39 Keystone-SDA news agency. In addition, the distance between the Earth and its satellite is particularly important. Thus, the moon takes longer to cross the Shadow of the Earth
Bloodmoon …
The entire eclipse, from the entrance to the exit from Parthad, lasts more than six hours. However, when it will rise at 9 pm, the full moon in Switzerland will be barely visible at dusk in the summer. His disc is already deep in the shadow of the earth and now forms a sickle. From 21.30, the total phase begins, culminating at 22:22
The Moon remains visible even when it is completely in the shadow of the Earth, and is bathed in a coppery red light. The phenomenon, commonly referred to as the "blood moon", is caused by the parasitic light of the sun. Above all, the red parts of the light are broken through the atmosphere of the Earth into the cone of shadow.
… and the opposition of Mars
It just happens that near the full moon the planet Mars travels as close to the earth. "We see it under the moon as a bright red dot," says Griesser. The distance to Mars is only 57 million kilometers, which is close to the minimum distance of about 54 million kilometers.
In the night sky, the red planet will be the brightest star, to overtake Jupiter. A telescope can even see the surface details of the neighbor of the planet, like its ice caps.
"Experience for families too"
The Eschenberg Observatory, like many others, is on July 27. Special tours on. "A lunar eclipse is an experience for everyone, including families," the amateur astronomer is convinced, accompanied by an expert, somewhat informative advice.
Those who prefer to observe the lunar eclipse in nature without being disturbed with the clearest possible view of the horizon, "says Griesser, because the moon will remain very flat. Griesser recommends a hill facing south-east, where the moon rises. The best way to see the show is to have as few light sources as possible nearby.
The only factor of uncertainty is the weather. Clouds could ruin observers' observations. The next chance to experience a total lunar eclipse is according to mondfinsternis.net on January 21, 2019. However, a total lunar eclipse of the same length as the July 27th will only be available again when in use. year 2123.
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