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\title{Science AMA Series: I'm Dr. Emily Petroff, I just completed my PhD at
Swinburne University of Technology. I look for bright radio pulses from
space including distant fast radio bursts and also found ra}



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


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  \date{April 24, 2026}


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\begin{abstract}
Hi Reddit! My name is Emily Petroff and I just finished my PhD at
Swinburne University of Technology in Melbourne, Australia. My research
focuses on finding short, bright bursts of light with large radio
telescopes like the Parkes telescope in Australia. I mainly study things
called ``Fast Radio Bursts'' which only last a few milliseconds but
release more energy than the Sun does in a day. These bursts seem to be
coming from distant galaxies in stellar explosions or collisions of
neutron stars but we still don't know exactly what causes them. Last
year, I led a team that discovered the first fast radio burst in
real-time and used telescopes around the world to try to find out where
it came from. Since then we've been learning more about these bursts and
our team just published the discovery of 5 more from the past 6 years of
data. Less than 20 of these bursts have ever been found, but more than
1,000 are happening every day throughout the Universe. We are hoping we
will be able to use these bursts to learn about the extreme objects that
caused them and the galaxies they live in. This year I also led a team
that found that other curious signals in our data were actually coming
from microwave ovens at the telescope site. We were able to show that
these nearby signals don't have anything to do with fast radio bursts
but that local interference can show up in unexpected ways, especially
with more and more electronics encroaching on sites for radio astronomy.
Have questions about radio astronomy? Signals from space? Pulsars and
neutron stars? I'll be back at 1 pm EST (10 am PST, 6 pm UTC) to answer
your questions, Ask me anything! UPDATE: Thank you to everyone for the
questions so far; I've had a great time! I'll be back later today to
answer more questions!%
\end{abstract}%



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