'John Wheeler named this singularity in the late 1960s; the Russians called it a collapsar'
a black hole
MATH & SCIENCE: John Wheeler named this singularity in the late 1960s; the Russians called it a collapsar
John Wheeler named this singularity in the late 1960s; the Russians called it a collapsar
John Wheeler named this singularity in the late 1960s; the Russians called it a collapsar
MATH & SCIENCE
a black hole
MATH & SCIENCE