Exam 18: The Universe

The "surface" of a black hole is known as the ______________.

Stars in the process of forming are called

One parsec is equivalent in distance to how many light-years?

The estimated number of stars in the Milky Way is about how many billion?

The branch of astronomy that studies the structure and evolution of the entire universe is called ______________.

In a star, the condition of balance between the inward force of gravity and the outward force of thermal and radiation pressure is known as ______________ equilibrium.

A Type II supernova can form a(n) ______________ or a black hole.

The half-circle that defines the starting point for designating longitude on the celestial sphere is called the

The visible surface of the Sun has a temperature of about ______________ K.

The radial distance to the event horizon from the singularity of a black hole is called

Gas and dust distributed among the stars is known as the ______________.

What is the value for the total energy that reaches each square meter of Earth from the Sun each second called?

The closest star to the Sun is named ______________.

Most cosmologists favor the Big Bang theory over other cosmological theories because of

The recent modification of the standard Big Bang model is called the ______________ model.

The Sun's energy is generated from the fusion of

Which of the following represents the shortest distance?

The three fusion reactions used by the Sun to generate energy are together known as the ______________.

It is not true that the neutrino

The most distant objects yet detected in the universe are