How long does it take for a star like our Sun to form?
A) 100 thousand years
B) Two million years
C) Fifty million years
D) One billion years
E) 4.6 billion years
C
You might also like to view...
Few ________ actually strike the Earth, because most are small and burn up in the atmosphere
Fill in the blank(s) with correct word
In March 2004, a new world, Sedna, with a comet-like orbit and a perihelion over three times farther out than Pluto's was announced. What did this do to Pluto's status as a major planet?
What will be an ideal response?
A river's suspended load and bed load may accumulate at its mouth and form a
a. sea arch. b. guyot. c. delta. d. sea mount.
Which one of the following is the correct representation of the electromagnetic waves from longer wavelength to shorter wavelength?
A) radio waves, infrared, microwaves, UV, visible, X-rays, gamma rays B) radio waves, UV, X-rays, microwaves, infrared, visible, gamma rays C) radio waves, microwaves, visible, X-rays, infrared, UV, gamma rays D) radio waves, microwaves, infrared, visible, UV, X-rays, gamma rays E) radio waves, infrared, X-rays, microwaves, UV, visible, gamma rays