Using digital SLRs to measure the height of Northern Lights

Scientific research doesn't often start from outreach projects. Yet, Ryuho Kataoka from the National Institute of Polar Research in Tokyo, Japan, came up with an idea for a new method to measure the height of aurora borealis ...

Comet Pan-STARRS holds promise for stargazers

A rare bright comet shows up in the northern hemisphere this week, cruising past Earth with promise of spectacular naked-eye viewings of the giant ball of ice and dust streaking the twilight sky with a blazing tail.

Saturn's north polar hexagon

(Phys.org)—Saturn's north polar hexagon basks in the Sun's light now that spring has come to the northern hemisphere. Many smaller storms dot the north polar region and Saturn's signature rings, which appear to disappear ...

Prepare for a total solar eclipse

(Phys.org)—Tomorrow's total solar eclipse will only be visible in its entirety to ground-based observers watching from northern Australia, but ESA's Sun-watching Proba-2 satellite will have a ringside seat from its orbit ...

Night-time view of Aurora

(Phys.org)—Overnight on October 4-5, 2012, a mass of energetic particles from the atmosphere of the Sun were flung out into space, a phenomenon known as a coronal mass ejection. Three days later, the storm from the Sun ...

UI instruments aboard twin NASA spacecraft set for launch Aug. 24

On Aug. 24, NASA will launch two identical satellites from Cape Canaveral, Fla., to begin its Radiation Belt Storm Probes (RBSP) mission to study the extremes of space weather and help scientists improve space weather forecasts.

Sounds of northern lights are born close to ground

For the first time, researchers at Aalto University in Finland have located where the sounds associated with the northern lights are created. The auroral sounds that have been described in folktales and by wilderness wanderers ...

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