After five years of painstakingly stitching together pictures of the Milky Way, astronomers from Ruhr University Bochum have finally completed their masterpiece: the largest ever space photo. It has a whooping 46 billion megapixel and  194 GB in file size. It’s so large, in fact, that the astronomers had to cut it in 268 sections for it be manageable.

A small section of the Milky Way photo showing Eta Carinae. © Lehrstuhl für Astrophysik, RUB

A small section of the Milky Way photo showing Eta Carinae. © Lehrstuhl für Astrophysik, RUB

I know what you’re thinking: ‘where can I see it?’ Well, the astronomers graciously built a dedicated web tool which you can use to zoom in and out on different sections of your choosing, basking in the glow of distant stars or quasars. Right now, it’s a bit crowded and the server’s taking a strain, so be sure to check back if the tool isn’t loading sections properly.

Another section, this time showing the M8 nebula. © Lehrstuhl für Astrophysik, RUB

Another section, this time showing the M8 nebula. © Lehrstuhl für Astrophysik, RUB

Of course, there’s much more the project than a pretty picture. Dr. Rolf Chini and colleagues first began to compile this work to map out the variable phenomena in the Milky Way, which refers to blinking stars. A change in a star’s brightness means that an object must have obscured it, like a planet. Using the telescope in the  Atacama Desert in Chile, the researchers found 50,000 objects of variable brightness previously unknown to science.

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