There is less ammonia in the atmospheres of Uranus and Neptune than in Jupiter or Saturn
Indicate whether the statement is true or false
TRUE
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Answer the following statement true (T) or false (F)
You are on the surface of an object, and you have a fairly clear view out into space. Unfortunately, you are also very squashed. The light you observe from distant objects is slightly blueshifted
The surface of the object is composed primarily of carbon and oxygen, and the distance to the horizon seems about the same as that on Earth. By observing the sky for a few weeks, you realize that there are several planets orbiting your object. Where are you? A) You are on the surface of a neutron star. B) You are on the surface of the Earth. C) You are on the surface of a planet that is somewhat more massive than the Earth. D) You are on the surface of a white dwarf. E) You are "on" an accretion disk around a black hole.
The first self-sustaining nuclear fission reaction was achieved in Chicago in 1942 under the direction of a scientist named ______________
Fill in the blank(s) with correct word
A convex mirror with a focal length of -20 cm forms an image 12 cm behind the surface. If the object height is 1.2 cm what is the image height?
a. 0.30 cm c. 0.94 cm b. 0.48 cm d. 3.0 cm