Which of the following telescopes is best suited for studying the hottest intergalactic gas (10 million K) in a cluster of galaxies?

A) Very Large Array Radio Telescope
B) Chandra X-ray Telescope
C) Herschel Infrared Telescope
D) Hubble Space Telescope (UV and optical and some infrared)


B

Physics & Space Science

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The more mass a white dwarf has, the larger it is.

Answer the following statement true (T) or false (F)

Physics & Space Science

A careful photographic survey of Jupiter's moon Io by the spacecraft Voyager 1 showed active volcanoes spewing liquid sulfur to heights of 70 km above the surface of this moon. If the value of g on Io is 2.0 m/s2, estimate the speed with which the liquid sulfur left the volcano

a. 260 m/s b. 530 m/s c. 790 m/s d. 970 m/s

Physics & Space Science

A starship is constructed to be 100 m long in the factory. It is launched and as it coasts by Earth, it is measured to be shortened to 5.48 m long

(a) How fast, in terms of the speed of light, is it moving past Earth? (b) What length does the ship's crew measure for the ship?

Physics & Space Science

The ground state electronic configuration for sodium is 1s22s22p63s1 . What is the orbital quantum number of the last (3s1) electron?

a. 3 c. 2 b. 1 d. 0

Physics & Space Science