NASAs solar dynamics observatory has discovered a dark giant area on the upper half of the Sun. What is it called

2016

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

NASA’s solar dynamics observatory has discovered a dark giant area on the upper half of the Sun. What is it called

A	Coronal Hight
B	Coronal Width
C	Coronal Hole
D	Coronal Shade

Explanation:

Detailed explanation-1: -At times the Sun’s surface is marked by large dark patches called coronal holes where extreme ultraviolet emission is low.

Detailed explanation-2: -Mission Overview SDO studies how solar activity is created and drives space weather. The spacecraft’s measurements of the Sun’s interior, atmosphere, magnetic field, and energy output all work to help us understand the star we live with.

Detailed explanation-3: -Definition: Corona is a luminous envelope of plasma that surrounds the Sun and other celestial bodies. It is extended to millions of kilometres into space and is commonly seen during a total solar eclipse.

Detailed explanation-4: -A new type of high-frequency acoustic wave discovered propagating on the Sun seems to be defying expectations. The waves appear on the surface of the Sun as a pattern of swirling vortices, moving against the Sun’s rotation.

Detailed explanation-5: -Solar Flare Solar flares are energetic bursts of light and particles triggered by the release of magnetic energy on the Sun. Flares are by far the most powerful explosions in the solar system, with energy releases comparable to billions of hydrogen bombs.

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