Radio JOVE is equipping citizen scientists with small radio receivers and training them to observe radio waves from Earth’s ionosphere.
, an astronomer at Middle Tennessee State University. The project has been running since the late 1990s, when it began at NASA’s Goddard Space Flight Center. “We now focus on science and try to inspire people to become citizen scientists.” Serendipitously, it turns out that the same radio wavelengths we use for observing Jupiter are also useful for observing the sun,” says
, a citizen scientist from New Mexico who has been observing with Radio JOVE since 2001. After the 2017 Great American Eclipse, its members became more involved with heliophysics, the study of the sun.As energy spews from the sun and travels to Earth, it interacts with our planet’s atmosphere; in particular, the sun’s rays create a layer of ionized particles, known as the. Any radio waves coming from the sun have to pass through these particles above us.
The ionosphere’s plasma changes a lot between day and night. When the sun shines on this layer, particles break into ions. When the sun is absent, those ions calm down. During eclipses, when most of the sun’s light is blocked, similar changes happen in the short term change. By measuring those fluctuations precisely with a fleet of amateur observers, Radio JOVE hopes to improve our understanding of the ionosphere.
This region, the ionosphere, is an electrified layer of the atmosphere that begins at roughly 50 miles up.To do so, Radio JOVE is equipping citizen scientists across the country with small radio receivers and training them to observe radio waves from Earth’s ionosphere. The project offers for around $200, and a whole team of experts and experienced observers are around to support new volunteers. Right now, they’re prepping participants for a full day of observing during the October annular eclipse. Project members are already gathering data to have a baseline of the sun’s influence on a normal day, which they’ll compare to the upcoming eclipse data. And this is only a small taste before the big event: next year’s total eclipse.
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