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Helioseismic and Magnetic Imager
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Observe a dopplergram showing the velocity of solar material in the photosphere captured by the Helioseismic and Magnetic Imager
Study the sequence of images depicting the magnetic field structure on the surface of the Sun as captured by the Helioseismic and Magnetic Imager
Study the zoomed-in view of a large sunspot group taken by the Helioseismic and Magnetic Imager, March 29, 2010
Study the magnetic fields in a sunspot pair as observed by the Helioseismic Magnetic Imager, March 29, 2010
Discover
Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)
7 of the World’s Deadliest Shipwrecks
Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society
12 Novels Considered the “Greatest Book Ever Written”
Illustration for Demystified "How Dangerous is Quicksand"
How Deadly Is Quicksand?
Candles Burning On Table In Church
What Is the Most Widely Practiced Religion in the World?
illustration of the walking titanosaurus, Patagotitan mayorum
Titanosaurs: 8 of the World's Biggest Dinosaurs
Battle of the Alamo from "Texas: An Epitome of Texas History from the Filibustering and Revolutionary Eras to the Independence of the Republic, 1897. Texas Revolution, Texas revolt, Texas independence, Texas history.
6 Wars of Independence
Nazi Germany, Nazi SS troops marching with victory standards at the Party Day rally in Nuremberg, Germany, 1933. (Schutzstaffel, Nazi Party, Nurnberg)
Why Was Nazi Germany Called the Third Reich?

Helioseismic and Magnetic Imager

scientific research instrument
Also known as: HMI

Learn about this topic in these articles:

Solar Dynamics Observatory