Discovering the theoretically predicted "electron capture type supernova" World's first research on the National Astronomical Observatory of Japan
If you write the contents roughly
Coincidentally, that time coincides with the time when the asteroids that destroyed the dinosaurs struck Earth, which is also interesting.
The National Astronomical Observatory of Japan is a supernova discovered by amateur astronomer Koichi Itagaki in March 29, SN2018 ... → Continue reading
Wikipedia related words
If there is no explanation, there is no corresponding item on Wikipedia.