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

Physics & Space Science

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Few ________ actually strike the Earth, because most are small and burn up in the atmosphere

Fill in the blank(s) with correct word

Physics & Space Science

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?

Physics & Space Science

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.

Physics & Space Science

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

Physics & Space Science