Tag Archive for 'Aurora borealis'

Keogram of (a) all-sky camera and (b) HySCAI, and (c) time evolution of space-averaged spectrum of aurora emission measured by HySCAI on October 20-21, 2023. Image credit: Yoshinuma et al., doi: 10.1186/s40623-024-02039-y.

Researchers Capture First Two-Dimensional Spectral Images of Aurorae

Aug 16, 2024 by News Staff

Two-dimensional (2D) aurora images with full spectrum have been captured by scientists in Japan using the newly-developed hyperspectral camera for auroral...

An artist’s representation of BepiColombo flying through precipitating electrons that can trigger X-ray auroras on the surface of Mercury. Image credit: Thibaut Roger / Europlanet.

Auroral Mechanisms May Be Universal throughout Our Solar System

Jul 18, 2023 by News Staff

An analysis of data obtained during the ESA/JAXA BepiColombo spacecraft’s first Mercury flyby reveals that Mercury’s southern magnetosphere aurorae...

The auroral dunes appear as a green-tinged and even pattern of waves resembling a striped veil of clouds or dunes on a sandy beach. Image credit: Kari Saari.

Auroral Dunes: Citizen Scientists Discover New Form of Aurora

Jan 30, 2020 by News Staff

Named the auroral dunes, the phenomenon was discovered by citizen scientists in Finland; it occurs at a relatively low altitude of 100 km (62 miles), in...

Colorful clouds formed by the release of vapors from the two AZURE rockets allow scientists to measure auroral winds. Image credit: Lee Wingfield / NASA.

NASA Launches Two Sounding Rockets to Study Auroral Winds: AZURE Mission

Apr 9, 2019 by News Staff

From the ground, the dance of the northern lights, or aurora borealis, can look peaceful. But those shimmering sheets of colored lights are the product...

Aalto University scientists find explanation for auroral sounds. Image credit: Unto Laine / Aalto University.

Scientists Find Explanation for Sounds of Northern Lights

Jun 28, 2016 by News Staff

The popping and crackling sounds associated with Aurora borealis (or the Northern Lights) are born when the related geomagnetic storm activates the charges...

Two digital single-lens reflex cameras captured these two all-sky images of Northern Lights in Alaska. The subtle differences between the left and right pictures allow the team to measure the altitude where electrons in the atmosphere emit the light that produces aurora (Kataoka et al).

Scientists Use SLR Cameras to Capture Aurora Borealis in 3D

Sep 9, 2013 by News Staff

Researchers from Japan and the United States have used two digital single-lens reflex cameras set 5 miles apart to capture 3D images of Aurora Borealis...

Listening to Sounds of Northern Lights

Jul 10, 2012 by Enrico de Lazaro

A team of scientists from the Aalto University in Finland has located where the sounds associated with the northern lights, or aurora borealis, are created. The...