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Articles by R. Gendler
The Galaxy Next Door May Be Blowing Giant Double Bubbles
Until now these billowing lobes, nicknamed Fermi bubbles after the NASA telescope used to spot them, had only been seen coming from the Milky Way. And before the bubbles’ inadvertent discovery in 2010, few even suspected such odd cosmic structures existed. “It could mean that all of the galaxies like ours could produce these Fermi bubbles,” says study leader Maxim Pshirkov of Moscow State University. “If you have only one example, it could be a unique case.
Hubble survey unlocks clues to star birth in neighboring galaxy
In a survey of NASA's Hubble Space Telescope images of 2,753 young, blue star clusters in the neighboring Andromeda galaxy (M31), astronomers have found that M31 and our own galaxy have a similar percentage of newborn stars based on mass. By nailing down what percentage of stars have a particular mass within a cluster, or the Initial Mass Function (IMF), scientists can better interpret the light from distant galaxies and understand the formation history of stars in our universe.
How a Galaxy Can Get Booted From Its Home
Extremely compact elliptical galaxies are generally tight, shaped like a ball, and much smaller than most other galaxies that populate the universe, containing at most a few billion stars. Our own run-of-the-mill galaxy, the Milky Way, in contrast, is home to about 100 billion suns. These compact elliptical galaxies are fairly rare. Until 2013, only 30 or so had been found, and they were all huddling next to giant galaxies near the center of large clusters of galaxies.
Sharpest ever view of the Andromeda Galaxy
This image, captured with the NASA/ESA Hubble Space Telescope, is the largest and sharpest image ever taken of the Andromeda galaxy — otherwise known as M31. This is a cropped version of the full image and has 1.5 billion pixels. You would need more than 600 HD television screens to display the whole image.
Zooming into the Tarantula Nebula
This star-forming region of ionised hydrogen gas is in the Large Magellanic Cloud, a small galaxy which neighbours the Milky Way. It is home to many extreme conditions including supernova remnants and the heaviest star ever found. The Tarantula Nebula is the most luminous nebula of its type in the local Universe. This video shows the location and context of the Tarantula Nebula in the night sky. Credit: NASA, ESA, Digitised Sky Survey 2, R. Gendler, S. Brunier. Acknowledgement: Davide De Martin.
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