Which of the following is always true about images captured with X-ray telescopes?
A) They are always very pretty.
B) They are always shown with colors that are not the true colors of the objects that were photographed.
C) They always have very high angular resolution.
D) They show us light with extremely long wavelengths compared to the wavelengths of visible light.
E) They always are made with adaptive optics.
B
You might also like to view...
Which of the following statements is true of the first reaction in the proton-proton chain?
A) It yields a helium atom. B) It emits a positron. C) It emits a gamma ray. D) It yields carbon dioxide.
Power: Which one of the following quantities is equivalent to 1 W?
A. 1 V/A B. 1 ? ? m C. 1 V ? A D. 1 V/? E. 1 A ? s
A simple beam (L 5 9 m) with attached bracket BDE has force P 5 5 kN applied downward at E. The bending moment just right of B is approximately:
(A) 6 N?m
(B) 10 N?m
(C) 19 N?m
(D) 22 N?m
Why is Venus so much hotter than the Earth?
A) because it has much more carbon dioxide in its atmosphere B) because it rotates backwards compared to its orbital rotation C) because its clouds have a very high re?ectivity D) because it is closer to the Sun