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Volcanic ash

The color and brightness of the moon can change sharply from one eclipse to the next, depending on the amount of volcanic ash in the atmosphere. The dungeon scale, which rates the lunar eclipses from zero to four, will help you viewers gauge the appearance of the moon during the eclipse tonight. Credit / Photo illustration: Bob King

A simple experiment: watch the total white eclipse tonight, compare it to the scale in the article and report the color of the moon to the scientist who studies the atmosphere of the Earth

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The formation known as Maskelyne is one of many young geological formations scattered on the moon, and the so-called "irregular die patterns" these formations are considered remnants of small basaltic eruptions that appeared at a later stage than previously thought for lunar volcanism Photo: NASA/GSFC/Arizona State University

The activity of the moon's volcanoes - not only in distant history

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Google map of the border area between Eritrea and Ethiopia, on which the epicenters of the earthquakes that occurred in the week between June 7 and 14 are marked in circles. The Navarro volcano is marked with a blue circle.

The Nabru volcano in Eritrea that erupted is in an area where a seam between two tectonic plates in the Earth's crust is constantly being filled.

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Satellite image of the ash plume from the volcano in Iceland, May 23, 2011. European Space Agency

What is volcanic ash (volcanic ash), and why is it dangerous?

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The Eyjafjallajökull volcano as photographed on May 12 by the MODIS camera on one of the Earth observation satellites. Photo courtesy of Jeff Schmaltz, NASA GSFC Response Team

Airports in Europe are closed again because of the volcanic ash - this time in Great Britain and Ireland

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Volcanic ash deposits color Meridiani Planum, as seen from the Mars Express space probe. They also hint at the wind directions in this region of Mars.

Volcanic ash in the planum meridian on Mars

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