Unit 10! Flashcards
The most versatile piece of equipment for astrophotography is the _______
Single-Lens reflex camera
____ hold together quark trios
Gluons
The quality of a(n) ____- is determined by its focusing ability and its apparent field of view
Eyepiece
The universe is _____ and the curvature is becoming less prominent.
expanding
_______ explained the photoelectric effect by supposing all light was composed of individual packets of energy called phootons
Albert Einstien
A statement that can be tested is A(n) ____
hypothesis
______ is a distortion of space-time; thought to be the first fundamental force
Gravity
Today, the ____ measures ____ degrees above absolute zero and is detected across the entire sky.
CMBR, three
________ attempts to describe every function of our cosmos with one explanation
Theory of everything
“Bits” of radiant energy describe ____
Photons
_______ suggested that interactions between matter and radiation could best be understood by regarding ____ as systems of waves.
Louis de Broglie, Electrons
_____ binds the atomic nucleus into a unit
Strong nuclear force
Producing an image free from optical distortion is called _____
Orthoscopic
______ is responsible for our universe being filled with matter.
Weak nuclear force
Nothing can be said to be completely at ___ because the perception of any ____ is dependent on its observer
Rest, motion
In the ________ there is no absolute motion, mass is a function of energy content, time is relative, and space and time are interdependent
Theory of relativity
______ is inversely related to lens magnification
Field of view
If a _____” occurs, dark energy will overcome all four fundamental forces and totally disintegrate our universe
Big Rip
Eintsiens premise for ________ was that the laws of nature are the same for all systems, regardless of their state of motion.
General relativity
____ increases when moving at a large percentage of light speed because it is resistant to change in motion
Mass
the group of subatomic particles that contain quarks and electrons is called ____
Fermions
The needed subatomic particles to construct the universe, such as neutrons and protons is what?
COLOR
With the current view, it is said that our universe will end in a _____
Big chill
what event is known to form our existence when space expands itself?
Big bang
A well tested concept that explains a large number of proven hypothesis is A ___
THEORY
