Though most astronomers regard the question as either irrelevant or unanswerable, in Endless Universe: Beyond the Big Bang (Doubleday, $ 24.95) Steinhardt and Turok try to provide an answer.
Not exact matches
Then the floodgates opened:
Astronomers quickly found more than 1,000 similar bodies,
most of them about 4 billion miles from the sun,
though a few orbit four or five times farther out.
Being flexible, having initiative, and enjoying the challenge of continuous exposure to new ideas (often outside your expertise) are more important than possessing specific qualifications,
though presumably
astronomers, physicists, biochemists, and biologists will feel
most at home here.
Over the past several decades,
though,
astronomers have realized that black holes are not so unusual after all: Supermassive ones, millions or billions of times as hefty as the sun, seem to reside at the center of
most, if not all, galaxies.