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\title{Science AMA Series: We are MilkyWayatHome and Prof. Heidi Newberg of
Rensselaer Polytechnic Institute. We are here to talk to you about
mapping the Milky Way and general astronomy. AUA!}



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


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  \date{April 23, 2026}


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\begin{abstract}
Hi, everyone! We are the developers and scientists behind the
MilkyWay@home distributed computing project and the LAMOST PLUS group,
which collaborates with a Chinese-run spectroscopic survey that has so
far produced over five million spectra of stars. Our research focuses on
the study of the structure of the Milky Way, primarily in the galactic
halo and disk. This includes tracing stellar tidal streams formed in
dwarf galaxy merger events, measuring the distribution of dark matter,
identifying disk structure, mapping stellar clouds like the
Hercules-Aquila clouds, and much more. Our group has discovered new
stellar tidal streams, created the most comprehensive characterizations
of some of the Galaxy's largest stellar tidal streams, and most recently
discovered an oscillation pattern in the Milky Way disk that is thought
to be caused by the interaction with small galaxies in the the halo of
our galaxy. This disk-halo interaction could explain how spiral
structure is formed and maintained. For more information about our work
over the last year please have a look at our newsletter, with links to
recent public lectures and news articles. Our group also actively
participates in public outreach, most of which includes educating the
public about our research. Since we run a crowd sourced distributed
supercomputer, MilkyWay@home, we provide our volunteers with an
explanation of what they are contributing towards. To this end, we
enlist multiple social media outlets, have a brief science page on our
website and provide links to all of our publications. Recently,
Professor Newberg has been producing videos with her children designed
to help young kids understand basic science concepts. These can be found
on our YouTube channel. We have several members of the team here to
answer your questions: Professor Heidi Newberg: The leader of
MilkyWay@home and the LAMOST Plus groups at Rensselaer Polytechnic
Institute. Previously worked on the Super Nova Cosmology Project, and
the Sloan Digital Sky Survey. Dr. Jeff Carlin: Post-doc working in the
LAMOST Plus group. Looks for galactic structure using 3D kinematics of
stars and 3D position data. Charles Martin: PhD student working with the
LAMOST Plus group. Discovered the Pisces stellar stream and now is
focusing on the Hercules-Aquila cloud. Siddhartha Shelton: PhD student
working with MilkyWay@home. Currently developing our N-body application
and optimization methods. Jake Weiss: PhD student working with
MilkyWay@home. Currently improving our stream finding algorithm to allow
accurate, simultaneous fitting of many different streams. Paul Amy: PhD
student working with MilkyWay@home. Preliminary study of modeling
simultaneous Milky Way merger events with N-body simulations. Travis
Desell: Former PhD Student who initially developed MilkyWay@Home and the
evolutionary algorithms it uses. Now an assistant professor at
University of North Dakota. We will begin answering questions as 12pm ET
(9am PT). Anyone interested in joining our community of volunteers, or
learning more about the MilkyWay@home project should check out our
website, twitter, instagram, facebook page, and YouTube channel.
Recently, both of these projects lost their National Science Foundation
funding as grants becomes increasingly harder to get in astronomy. If
you are interested in donating to our group please visit our fundraiser
page. Edit: We are starting to answer questions now. We will be
answering questions for the next two hours (until 2pm) and will probably
pop back in throughout the night to answer more. Thanks for all of the
great questions here so far. Edit 2: Hey everyone, thank you for all of
the fantastic questions. Please remember to check out our website and
follow us on social media to keep current with our work. We are going to
take a break from answering questions, but we will be checking back in
throughout the day to answer any new questions that might pop up. Sorry
if we didn't get to your question.%
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