Sun&Stars Crossword Puzzle

The distance traversed by light in one mean solar year
A giant ball of gas, primarily hydrogen and helium, which undergoes nuclear fusion
The apparent change in position of an object when you look at it from different places
A star system that has two stars called double stars, or_________.
A force that attracts all objects toward each other
The amount of matter in an object is called it's ________.
The measure of the force of gravity on an object is called_______.
The tendency of an object to resist a change in motion is,_______.
A device that breaks light into colors and produces an image of the resulting spectrum
A star's __________________ or Luminosity is the brightness the star would have if it were at a standard distance from Earth.
A graph used by Astronomers to find a star's temperature and absolute brightness.
A ______ is a large cloud of gas and dust spread out in an immense volume.
The blue-white core of the star that is left behind cools and becomes a ___________.
The explosion of when a supergiant runs out of fuel is called a ________.
The process of building something up gradually by gathering together of smaller pieces is called ________
What are the remains of high-mass stars called?
A __________ is an object with gravity so strong that nothing, not even light, can escape.
What process causes hydrogen atoms to join to form helium?
The loops in sunspot regions that suddenly connect, sometimes causing the gas to erupt into space, is called a ________.
Active young galaxies, whith huge black holes at the center are called ________.
A _______ is an object that orbits a star, is large enough to have become rounded by it's own gravity, and has cleared the area of it's orbit.
Reddish loops of gas that link parts of sunspot regions are called ___________.
The outermost layer of the sun's interior is called the _____________.