Module ten

15 important questions on Module ten

The Hertz-Sprung Russell Diagram uses _____________ as the standard at which every other star is measured.

SUN

Some stars expand and contract giving off varying intensities of brightness. These are _______________.

pulsating stars

A type of star that is still hot but is running out of fuel for fusion is the __________.

black dwarf
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Which type of star emits radio waves?

pulsars

Stars of average size and average temperature are called _______________.

main sequence stars

Stars that appear to pulsate but are non-pulsating are called ___________________.

eclipsing binary stars


Rigel, in the constellation Orion, is  _______ and it is ______.

a blue supergiant
getting smaller

A red giant needs to be __________________ to be as luminous as a blue giant.

large

A(n) _______________ galaxy does not have any dust or gas in the center and is round or oval. (Spelling counts)

Elliptical


Quasi- stellar radio sources are also known as ______
______ and emit __

quasars
radio waves

At the center of a galaxy with a quasar you will find ____________________.

a black hole powering the quasar

Spiral galaxies make up of about _______________ percent of all known galaxies.

%75

The Big Bang is really a ________________ because __________________.

model, it can not be proven by the scientific method of experimentation

The current secular Big Bang Theory says that ______________________.

matter appeared simultaneously in all directions at the same time

The collision of two galaxies results in a(n) ____________________ galaxy.

irregular

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