Ph.D. candidate astronomer Rob Kavanagh has developed mathematical models to better understand the interactions between exoplanets and stellar winds and to define features of exoplanets.
Astronomy
Nov 15, 2022
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A new image from NASA's James Webb Space Telescope reveals a remarkable cosmic sight: at least 17 concentric dust rings emanating from a pair of stars. Located just over 5,000 light-years from Earth, the duo is collectively ...
Astronomy
Oct 12, 2022
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22
Astronomers have discovered thousands of exoplanets in recent years. Most have them have been discovered by the transit method, where an optical telescope measures the brightness of a star over time. If the star dips very ...
Astronomy
Aug 17, 2022
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This star-studded image shows the irregular dwarf galaxy Sextans B, which lies around 4.5 million light-years from Earth at the outermost edges of the Local Group. With a total mass of around 200 million times the mass of ...
Astronomy
Apr 29, 2021
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12
New insights have been gained about stellar winds, streams of high-speed charged particles called plasma that blow through interstellar space. These winds, created by eruptions from stars or stellar explosions, carry with ...
Plasma Physics
Nov 5, 2018
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10
NASA is developing a new type of detector that will provide insight into the formation and structure of the universe. Many of the radiative and mechanical interactions that shape the interstellar medium of galaxies and drive ...
Astronomy
Sep 19, 2018
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8
These NASA Hubble Space Telescope images compare two diverse views of the roiling heart of a vast stellar nursery, known as the Lagoon Nebula. The images, one taken in visible and the other in infrared light, celebrate Hubble's ...
Astronomy
Apr 19, 2018
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156
This colourful, seemingly abstract artwork is actually a map of our Galaxy, depicting all the celestial objects that were detected in the XMM-Newton slew survey between August 2001 and December 2014.
Astronomy
May 15, 2017
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7
Scientists are studying the "weather" around young sun-like stars in an attempt to understand the conditions needed for a system to have planets that would stand a chance of hosting life.
Astronomy
Mar 17, 2016
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30
Analyzing the data collected by the Fermi Gamma-ray Space Telescope, Maxim Pshirkov of the Sternberg Astronomical Institute discovered a new source confirming that binary systems with strong colliding stellar winds comprise ...
Astronomy
Feb 18, 2016
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