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\title{American Geophysical Union AMA: Hi Reddit, I am Andrew Yau, Editor of
Geophysical Research Letters, here to talk about Jupiter and the
exciting findings from NASA's Juno mission. Ask Me Anything!}



\author[1]{AmGeophysicalU-AMA }%
\author[1]{r/Science AMAs}%
\affil[1]{Affiliation not available}%


\vspace{-1em}



  
  \date{April 24, 2026}


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\begin{abstract}
I am Andrew Yau, Professor of Physics at University of Calgary, Canada,
and Editor of Geophysical Research Letters (GRL), a research journal
published by AGU focusing on high-impact scientific advances in all
major geoscience disciplines. I am a space scientist. I design satellite
instruments such as ion mass spectrometers, and I am interested in the
effects of weather in space around the Earth - and other planets. For
example, how and why do solar storms cause the heating of the upper
atmosphere and its escape into space here on Earth? How about on Venus,
Mars, and Jupiter? How does the solar wind produce the aurora, and the
associated electrical currents in the ionosphere here on Earth? How
about on Jupiter and Saturn, which also have an internal magnetic field?
I'll be back at 12 EDT to answer your questions. Ask Me Anything! The
AGU AMA series is conducted by the Sharing Science program. Sharing
Science: By scientists, for everyone. More at sharingscience.agu.org.
Thanks, everyone, for participating in today's AMA. It has been great
fun -- I hope my answers to your questions have provided a glimpse of
the exciting scientific discoveries about the largest planet in our
Solar System, Jupiter, from the NASA Juno mission. Some of these
discoveries were reported in the recent Special Issue of the Geophysical
Research Letters (GRL) for Juno. I encourage you to check out the GRL
website for these discoveries as well as some even newer ones that are
in the pipeline:
http://agupubs.onlinelibrary.wiley.com/hub/issue/10.1002/grl.v44.10/
Sorry I didn't have a chance to field many of the other questions. Have
a great day!%
\end{abstract}%



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