The Milky Way
Thanks to two of the biggest space telescopes working together, here’s the sharpest picture ever made of the Galactic core.


With so much mention of the Milky Way throughout the other entries, it only makes sense to finish with a photo of exactly that. Here’s a composite image of the centre of our galaxy. It was made by combining the infra-red camera and multi-object spectrometer of the Hubble with color photos from the Spitzer Space telescope. What you can see in the image is about 20,000 light years away, and 300 light years across.

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