How are T Tauri stars characterized observationally?
A) by sudden changes in their brightness
B) by very high temperatures
C) by very high magnetic fields and large starspots
D) by very rapid rotation
E) They are newly-formed stars that are short period binaries.
A
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Observationally contrast the discoveries of most comets and asteroids
What will be an ideal response?
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Fill in the blank(s) with the appropriate word(s).