Dark Matter/ Dark energy
The expansion of the Universe
Spectral Analysis
Life cycle of a star
100
General term for the substance of which all objects consist
What is matter?
100
The Universe is ______ its expansion
What is accelerating?
100
The result of seperation of components of light
What is spectrum?
100
Place where stars are born
What is nebula
200
Something that dark matter doesn't interact with, and thus is invisible
What is light?
200
Theory that stands in contrast to the theory of dark energy
What is Modified Newtonian Dynamics?
200
Machine used to observe spectrums in a more detailed fashion
What is spectroscope?
200
When matter from a nebula fails to reach 15 million degrees in the process of condensation, this type of star is born
What is brown dwarf?
300
Makes up 25% of the Universe and attempts to slow, but never stop, the expansion of the Universe
What is dark matter?
300
Current theories of this are insufficient to explain the expansion of the Universe
What is gravity?
300
A type of spectrum which has fine, dark lines called Spectral Lines
What is a star's spectrum?
300
Stars fight the inward pull of gravity with the outward force of...?
What is nuclear reactions?
400
Astronomer who discovered "missing mass" in orbital velocities of galaxies in clusters
Who was Fritz Zwicky?
400
Newton's Law of gravity states that objects farther out will have ________
What is lower velocities?
400
The type of spectrum gases have
What is emission spectrum?
400
When a star dies, carbon is compressed, then released, to form a ...?
What is planetary nebula?
500
Something that is causing the acceleration of the Universe's expansion and makes up 70% of the Universe's energy mass
What is dark energy?
500
Goes against the Newtonian theory of gravity
What is the expansion of the Universe?
500
The method of observing gases' spectrums to determine what gases exist in the Sun's atmosphere
What is spectral analysis?
500
If the core of a dead star survives, and is incidentally greater than 3 solar masses, it becomes a ...?
What is black hole?
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