Galaxy

Merging Galaxies Have Enshrouded Black Holes
May 21, 2017
Galaxy

Merging Galaxies Have Enshrouded Black Holes

Stars, gas, and dust can orbit black holes for long periods of time until a major disruption pushes the material in.  Only high-energy X-rays escape telling astronomers about the accreting black holes within. Galaxies combine and their central black holes approach each other. Thus, they push the gas and dust, surrounding it,...

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Hubble’s Successor: NASA’s James Webb Space Telescope
May 21, 2017
Galaxy

Hubble’s Successor: NASA’s James Webb Space Telescope

NASA will launch James Webb Space Telescope in 2021. It will observe the cosmos to uncover the history of the universe from the Big Bang and beyond. James Webb Space Telescope will focus on four main areas: first light in the universe, assembly of galaxies in the early universe, the birth of stars and protoplanetary systems,...

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Andromeda is not our Closest Galaxy Neighbour
May 21, 2017
Galaxy

Andromeda is not our Closest Galaxy Neighbour

Most people consider the Andromeda Galaxy to be our closest galactic cohabitant. But in truth, Andromeda is the closest “spiral” galaxy. This distinction falls to a formation that is actually within the Milky Way itself. A dwarf galaxy that we’ve only known about for a little over a decade. Closest Galaxy: At...

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