Recent work with type I supernovae at great distances suggests the universe may in
fact be accelerating its expansion, a discovery attributed to a newly found:
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dark energy
A newly formed protostar will radiate primarily at which wavelength?
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infrared
it is impossible for white dwarfs to..
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undergo a recurring Type-I supernova.
What did the discovery suggest to cosmologists?
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the universe is expanding
Eta Carinae is an example of a:
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supermassive star
What needs to be included in the measurement of density when considering whether
the density of the universe is above or below the critical density?
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Ordinary matter, dark matter, neutrinos, gravity waves, electromagnetic
energy and dark energy
If more mass was added to a 3.0 solar mass neutron star, what would occur?
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It would collapse to a black hole
star formation ceased first in the
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halo
The cosmic microwave background radiation is
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evidence supporting the big bang
Where are the heaviest elements formed?
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neutron capture during type II supernovae
a) its parent star had been studied before the explosion.
b) its distance was already known.
c) it was observed early, as its light was still increasing.
d) its evolution was captured with detailed images from the Hubble Space Telescope.
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supernova 1987A was important because
A high-mass star dies more violently than a low-mass star because:
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it generates more heat and its core eventually collapses very suddenly.
about 1017 kg/m3, similar to the density of atomic nuclei.
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The average density of neutron stars approaches
When spiral galaxies do collide, the impact is greatest on their:
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giant molecular clouds
How do single stars form within huge clouds of interstellar gas and dust?
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fact be accelerating its expansion, a discovery attributed to a newly found:
Give this one a try later!
dark energy
A newly formed protostar will radiate primarily at which wavelength?
Give this one a try later!
infrared
it is impossible for white dwarfs to..
,Give this one a try later!
undergo a recurring Type-I supernova.
What did the discovery suggest to cosmologists?
Give this one a try later!
the universe is expanding
Eta Carinae is an example of a:
Give this one a try later!
supermassive star
What needs to be included in the measurement of density when considering whether
the density of the universe is above or below the critical density?
Give this one a try later!
Ordinary matter, dark matter, neutrinos, gravity waves, electromagnetic
energy and dark energy
If more mass was added to a 3.0 solar mass neutron star, what would occur?
,Give this one a try later!
It would collapse to a black hole
star formation ceased first in the
Give this one a try later!
halo
The cosmic microwave background radiation is
Give this one a try later!
evidence supporting the big bang
Where are the heaviest elements formed?
Give this one a try later!
neutron capture during type II supernovae
a) its parent star had been studied before the explosion.
b) its distance was already known.
c) it was observed early, as its light was still increasing.
d) its evolution was captured with detailed images from the Hubble Space Telescope.
, Give this one a try later!
supernova 1987A was important because
A high-mass star dies more violently than a low-mass star because:
Give this one a try later!
it generates more heat and its core eventually collapses very suddenly.
about 1017 kg/m3, similar to the density of atomic nuclei.
Give this one a try later!
The average density of neutron stars approaches
When spiral galaxies do collide, the impact is greatest on their:
Give this one a try later!
giant molecular clouds
How do single stars form within huge clouds of interstellar gas and dust?
Give this one a try later!
