The name of the Infrared Orbiting Observatory launched in 2003 is the:
A) Hubble Space Telescope.
B) Compton Observatory.
C) Spitzer Space Telescope.
D) Chandra Orbiting Telescope.
E) Newton Imaging System.
C
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An object of mass m is hung from a string and set swinging. The period of the oscillation is recorded as T. The object of mass m is removed and is replaced by an object of mass 2m. When this object is set swinging, the period of its motion is
1. 2T 2. T/2 3. ?2T 4. T
Show that the coefficient of thermal expansion for an ideal gas is 1/T, where T is the absolute temperature.
GIVEN Ideal gas Absolute temperature = T FIND • Show that the thermal expansion coefficient (?) = 1/T
The stainless steel 17-7PH is precipitation hardened with the intermetallic compound _________.
Fill in the blank(s) with the appropriate word(s).
The rilles found in Ovda Regio are evidence of:
A) ancient river beds. B) plate tectonics. C) something akin to sea-floor spreading. D) ancient oceans. E) lava flows.