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Image of Hydrogen-α solar spectroheliogram
February 8, 2019

Terrestrial and space weather storm scales have a common shortcoming: The scales end at “5.” Nature of course doesn’t know this and sometimes produces a disturbance that is simply off the charts.

Image depicting a solar flare or cme
January 14, 2019

A team of scientists has, for the first time, used a single, cohesive computer model to simulate the entire life cycle of a solar flare. The comprehensive new simulation captures the formation of a solar flare in a more realistic way than previous efforts, and it includes the spectrum of light emissions known to be associated with flares.

Radio dish
October 11, 2018

On October 6th, the MLSO staff participated in AstroDay 2018, an educational outreach event coordinated by the Mauna Kea Observatories. 3,000 people attended. This was the second occurrence of this event, located in Kailua-Kona, on the west side of Hawaii Island.

H & K emission cycles for the Sun
September 18, 2018

Life imitates art, sometimes remarkably well... A recent paper has announced the discovery of an exoplanet around the nearby star 40 Eridani, which had previously been identified as the host star of Vulcan, the fictional home world of Star Trek’s cultural icon, Mr. Spock.

Lisa Waters demonstrating magnetic fields and effects on the sun
September 1, 2018

Educational outreach is an important and rewarding part of an observer’s job at the Mauna Loa Solar Observatory (MLSO) site located on the flanks of Mauna Loa Mountain at an elevation of 3440 meters in the U.S. state of Hawai’i.

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