CH 20-22 Flashcards
T/F all neutron stars are pulsars, but not all pulsars are neutron stars
F
T/F The density of a neutron star is comparable to the density of an atomic nucleus
T
T/F the escape speed for a black holes event horizon is the speed of light
T
T/F Special relativity says that c, the speed of light, is the maximum velocity for both matter and energy in our universe
T
In a neutron star, the core is made up of
Neurons compressed
Pulsars spin rapidly or slowly when they r young
Rapidly
Describe the light house model of a pulsar
Flashes when it comes into vise
Which of the following can actually escape from inside a black holes event horizon?
None of the above
A hypernova creates a
Black hole
Wht r the 2 main points of Eintiens general theory of relativity?
Nothing travels faster than light
Light is attracted by gravity
If light from a distant star passes close to a massive body, the light will
Bend toward the star due to gravity
According to conventional science, most of the mass of the Milky Way seems to exist in the form of
Dark matter
Most galaxies are
Dwarf ellipticals
Galaxies are classified based on their
shape
The magallanic clouds are wht yype of galaxy
Irregular
