Herbig-Haro objects are:
A) dense dust clouds surrounding and being heated by massive protostars.
B) higher density knots of matter in protoplanetary disks around very young, low-mass stars.
C) regions of ionized gas on the edges of giant molecular clouds.
D) luminous knots of material at either end of bipolar jets emerging from young T Tauri stars.
Correct Answer:
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Q60: Some protostars, when they evolve onto the
Q61: Those interior regions of a protostar that
Q62: T Tauri stars are at what stage
Q63: A T Tauri star is:
A)an intermediate mass
Q64: A Herbig-Haro object is:
A)the gas cloud produced
Q66: Herbig-Haro objects, bright, variable regions within nebulae,
Q67: Typical jets of bipolar outflow last for:
A)10
Q68: What is a proplyd?
A)a protoplanetary disk around
Q69: The Hubble Space Telescope has photographed disks
Q70: A star-forming region is best viewed in
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