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Tag Archives: Galaxy

Solar storms trigger Jupiter’s Northern Lights

Jupiter’s X-ray emission (in magenta and white). Credit: Joseph DePasquale, Chandra X-ray Center. Solar storms trigger Jupiter’s ‘Northern Lights’ Solar storms trigger Jupiter’s intense ‘Northern Lights’ by generating a new X-ray aurora that is eight times brighter than normal and ...

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Charting the slow death of the universe

An international team of astronomers studying more than 200 000 galaxies has measured the energy generated within a large portion of space more precisely than ever before. This represents the most comprehensive assessment of the energy output of the nearby ...

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Cosmic Wind

Cosmic Wind By Daniel Cray Hurricane Isaac fades into history and Hurricane Leslie stirs to life. As it happens, a stiff wind in space shouldn’t be overlooked either. So-called galactic winds, which are primarily photons shed from massive stars but ...

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Laniakea Supercluster

Laniakea Supercluster Astronomers using the National Science Foundation’s Green Bank Telescope (GBT)—among other telescopes—have determined that our own Milky Way galaxy is part of a newly identified ginormous supercluster of galaxies, which they have dubbed “Laniakea,” which means “immense heaven” ...

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Brightest Star in the Galaxy

Brightest Star in the Galaxy A contender for the title of brightest star in our Milky Way galaxy has been unearthed in the dusty metropolis of the galaxy’s center. Nicknamed the “Peony nebula star,” the bright stellar bulb was revealed ...

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Local Supercluster

Local supercluster. Each white dot is a galaxy; red regions have lots of galaxies, dark blue regions are voids with few. The white lines represent flow streams, along which galaxies are moving toward the center of mass of Laniakea. The ...

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Some information about Gamma-ray bursts

NASA / Swift / Stefan Immler Credit: Fox / Cucchiara / Levan / Tanvir   Some information about Gamma-ray bursts written by Derek Fox, the mission scientist for the proposed JANUS observatory Gamma-ray bursts like GRB 090429B are convincingly explained ...

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Starbursts versus monsters

MCG-03-04-014 (shown in middle). Credit: ESA/Hubble & NASA The Hubble showdown: Starbursts versus monsters The dominating figure in the middle of this new Hubble image is a galaxy known as MCG-03-04-014. It belongs to a class of galaxies called luminous ...

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