AAS NOVA — Research Highlights 2018

Find out the latest thinking about our universe.
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Searching for Alien Needles in the Cosmic Haystack

Post by bystander » Mon Dec 03, 2018 5:36 pm

Searching for Alien Needles in the Cosmic Haystack
NOVA | American Astronomical Society | 2018 Nov 30
Kerry Hensley wrote:
Humanity’s search for signs of extraterrestrial intelligence has been underway, in one form or another, for decades. But how much searching have we really done? ...

How Much SETI Has Been Done? Finding Needles in the n-Dimensional Cosmic Haystack ~ Jason T. Wright et al
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Exploring the Escaping Atmosphere of HAT-P-11b

Post by bystander » Wed Dec 05, 2018 9:10 pm

Exploring the Escaping Atmosphere of HAT-P-11b
NOVA | American Astronomical Society | 2018 Dec 03
Susanna Kohler wrote:
The atmospheres of planets close to their host stars live a tenuous existence. New observations from the Hubble Space Telescope show signs of a Neptune-like exoplanet’s atmosphere being eroded away. ...

Detection of Helium in the Atmosphere of the Exo-Neptune HAT-P-11b ~ Megan Mansfield et al
Know the quiet place within your heart and touch the rainbow of possibility; be
alive to the gentle breeze of communication, and please stop being such a jerk.
— Garrison Keillor

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Speeding Electrons in a Solar Jet

Post by bystander » Thu Dec 06, 2018 4:30 pm

Speeding Electrons in a Solar Jet
NOVA | American Astronomical Society | 2018 Dec 05
Susanna Kohler wrote:
How is energy released in explosive events like flares and jets? One of the most likely culprits is magnetic reconnection — but we still have a lot of questions about how this process works. In a recent study, radio observations of the Sun provide us with a closer look. ...

Magnetic Reconnection Null Points as the Origin of Semirelativistic Electron Beams in a Solar Jet ~ Bin Chen et al
Know the quiet place within your heart and touch the rainbow of possibility; be
alive to the gentle breeze of communication, and please stop being such a jerk.
— Garrison Keillor

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Using Machine Learning to Find Planets

Post by bystander » Sat Dec 08, 2018 3:31 pm

Using Machine Learning to Find Planets
NOVA | American Astronomical Society | 2018 Dec 07
Susanna Kohler wrote:
How do we find the signals of exoplanets lurking in the vast quantity of data that comes out of a mission like Kepler or the Transiting Exoplanet Survey Satellite (TESS)? A new study has some suggestions for how best to get computers to do the heavy lifting for us. ...

Scientific Domain Knowledge Improves Exoplanet Transit Classification with Deep Learning ~ Megan Ansdell et al
Know the quiet place within your heart and touch the rainbow of possibility; be
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A Jet from Neutron Star Merger GW170817

Post by bystander » Sat Dec 15, 2018 5:15 pm

A Jet from Neutron Star Merger GW170817
NOVA | American Astronomical Society | 2018 Dec 14
Kerry Hensley wrote:
Just last year, the three observatories of the Laser Interferometer Gravitational-Wave Observatory (LIGO)–Virgo Collaboration detected the gravitational-wave signature of two neutron stars colliding. What can we learn from the months of observations made since? ...

A Strong Jet Signature in the Late-time Light Curve of GW170817 ~ K. P. Mooley et al
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Know the quiet place within your heart and touch the rainbow of possibility; be
alive to the gentle breeze of communication, and please stop being such a jerk.
— Garrison Keillor