On this day 1604 – German astronomer Johannes Kepler observed an exceptionally bright star, now known as Kepler’s Supernova (remnant nebula), which had suddenly appeared in the constellation Ophiuchus.

This image shows a false-color composite of the supernova remnant nebula from SN 1604.

Credit: HST/NASA/ESA.

On this day 1604 – German astronomer Johannes Kepler observed an exceptionally bright star, now known as Kepler’s Supernova (remnant nebula), which had suddenly appeared in the constellation Ophiuchus.

This image shows a false-color composite of the supernova remnant nebula from SN 1604.

Credit: HST/NASA/ESA.


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