Exam 10: The Deaths of Stars

Stars swell into giants when hydrogen is exhausted in their centers.

Open clusters tend to be ____ than globular clusters.

A(n) ____________________ is the sudden expulsion of the outer layers of a moderate mass star that has a dormant carbon core.

Synchrotron radiation occurs when high-speed electrons move through a magnetic field.

If the sun and stars are supported by gas pressure, what supports a white dwarf?

On the diagram below, draw the evolutionary track of the sun from the time it reaches the main sequence until it becomes a white dwarf. Label the major stages on this track.

A mass is transferred in a normal star in a binary system toward a white dwarf, the material forms a rapidly growing whirlpool of material known as a(n)

If the sun and stars are supported by gas pressure, what supports a white dwarf?

Mass can flow from one star in a binary system to its companion through the first ____________________ point.

The Crab nebula is

Why do many planetary nebulae show ring-like features on the sky instead of spheres?

A star begins fusing hydrogen to helium the moment it leaves the main sequence.

In the orbital plane of a binary star system matter can be transferred from one star to the other at the ________, located directly between the two stars is the point where the Roche lobes meet.

As a star like the sun exhausts hydrogen in its core, the outer layers of the star

As a main-sequence star exhausts hydrogen in its core, it next becomes