Old stars gleaned neighbors’ gas, Hubble data show
Snatching matter helps blue stragglers stay hot and look young
FAKING YOUTH Some of the blue stragglers (circled) in the open star cluster NGC 188 have white dwarf companions, confirming that the hot, blue stars once stole material from the now-dead ones to stay young looking.
K. Garmany, F. Haase NOAO/AURA