Astronomers discover new phenomenon as white dwarf star switches ‘on and off’ in 30 minutes / news. sky. com /

Astronomers have discovered a new cosmic phenomenon in which a white dwarf star has been switching “off and on”, with its brightness dipping and strengthening in just 30 minutes...

more: `news.sky.com/story/astronomers-discover-new-phenomenon-as-white-dwarf-star-switches-on-and-off-in-30-minutes-12437351