Related topics: upper atmosphere

MAVEN satellite looks for Mars' missing atmosphere

Ninety kilometers over our heads, the sky is glowing. During the day, the Sun turns the top of our sky into a sea of electrons. They flow over one another without friction, creating plasma. Radio waves that hit these electrons ...

Preparing to launch Swarm

With the launch of ESA's Swarm trio set for 14 November, the first satellite has arrived safely at the Plesetsk Cosmodrome in Russia. This new mission will unravel one of the most mysterious aspects of our planet: the magnetic ...

Radio waves carry news of climate change

The ionosphere, one of the regions of the upper atmosphere, plays an important role in global communications. Ionized by solar radiation, this electricity-rich region is used for the transmission of long wave communications, ...

Navigating our way through solar threats (w/ Video)

Global Navigation Satellite Systems (GNSS) are now routinely used for high accuracy operations around the globe. But the signals we rely on are vulnerable to ionospheric perturbations – fluctuations in the upper atmosphere ...

Sounding rocket to observe currents in atmosphere

Swirling through Earth's upper atmosphere is a layer of charged particles called the ionosphere. Constantly on the move, currents through the ionosphere can be much more complicated than winds at lower altitudes, because ...

NRL's MIGHTI slated for launch on ICON mission

A Naval Research Laboratory (NRL) instrument designed to study the Earth's thermosphere is part of a satellite mission that NASA has selected to move forward into development (Phase B), with launch expected in 2017. The NRL ...

What left these spooky trails in the sky?

Ball lightning? Spectral orbs? Swamp gas? Early this morning, May 7, these eerie glowing trails were seen in the sky above the Marshall Islands and were captured on camera by NASA photographer John Grant. Of course, if NASA's ...

Sounding rocket mission to study what disrupts radio waves

(Phys.org) —A NASA-funded sounding rocket mission will launch from an atoll in the Pacific in the next few weeks to help scientists better understand and predict the electrical storms in Earth's upper atmosphere These storms ...

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