algol paradox and mysteries - the story of the demon star - universe sandbox² Published 7 years ago • 42K plays • Length 13:16 Download video MP4 Download video MP3 Similar videos 1:56 the algol paradox 3:38 empire of the sands 4:13 the algol planet 11:00 the strangest star in the universe 15:15 crash! 5 biggest asteroid craters on earth - universe sandbox² 11:01 why are there no green stars?