History, 29.04.2021 06:00 ryansingl19
5. During the collapse and explosion of a giant star, an event called a type II supernova, heavy
elements are made in large quantities. And when I say âlarge,â I mean the heaps of nickel and uranium
and bismuth and gold that could most easily be measured with a measuring cup ten thousand Earths
could fit into. Real Paul Bunyan-sized heaps of heavy elements, is what Iâm trying to convey in words.
Sprayed into space by the universe-illuminating explosion, these heavy elementsâalong with a lot of
lighter elements as wellâpart of which one of these cosmic objects?
a. dark matter
b. a sonar
c. a galaxy
d. a nebula
6. Nebulas are big (really, really big); and they are not of uniform density. Dense parts of a nebula
will eventually begin to collapse inward around the collective gravitational center of that particular blob
that resides within the light-years wide cloud of gas and dust. The Eagle Nebulaâs âPillars of Creationâ
are a classic example of a dense region within a nebula.
What do you call the cosmic phenomenon that results from the inward collapse of a dense region of a
nebula? The motion involved is a lot like a mosh pit. And are you old enough to know what âmosh pitâ
means? Itâs slam dancing with the addition of angular momentum. Now Iâm really showing my age,
bringing up slam dancing. History and definition here: https://en. wikipedia. org/wiki/Moshing
a. spiral galaxy
b. protoplanetary disk
c. supernova
d. elliptical galaxy
7. What kind of rock is fine-grained enough to preserve fossils of bacteria?
a. flint or chert (amorphous silica)
b. olivine websterite
c. stishovite
d. madreporite
Answers: 3
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Which of the following wars was the most devastating to oklahoma? a. american revolution b. mexican-american war c. civil war d. world war i
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Which economic result of the civil war affected both the north and the south? a. inflation b. widespread hunger c. rising value of money d. loss of natural resources
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5. During the collapse and explosion of a giant star, an event called a type II supernova, heavy...
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