Tag: M81

Still More Hidden Galaxies

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I’ve covered a few ‘hidden galaxy’ stories lately, from the ultra high resolution see-through of Andromeda, to dark dust in front of M81 and M82.  Now, hundreds of new hidden galaxies have been revealed by a team of astronomers who are looking straight through the Milky Way for the first time ever, shedding light on the structure of new galaxy clusters and the enigmatic pull of the ‘great attractor.’ The Earth is not stationary in space.  It orbits the Sun, which in turn orbits the Milky Way galaxy, which then moves through the Universe as part of a galaxy cluster. ...

More Stuff to Block Galaxies

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A few days ago I wrote about a galaxy that was tough to see because of Milky Way field stars.  But our galaxy is far more than just a bunch of stars smattered about.  There is also a huge amount of gas and dust with varying temperatures.  Some of the hotter and more illuminated gas and dust are what make nebulae so lovely in space.  But the cold gas and dark dust that is just out floating in the cold interstellar medium? That stuff gets in the way. A normal image of interacting galaxies M81 and M82 would try to hide the...