This printable crossword puzzle on the topic of Astronomy & Space has 20 clues. Answers range from 4 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Variable that is plotted on the x-axis of a HR diagram.
The birthplace of a star.
The second stage in the life of a star.
The third stage of a star's life, after it runs out of fuel.
A star after its Red Giant stage that isn't big enough to supernova
An extremely dense star that is formed after a supernova
Brightness of a star from Earth.
The measure of a stars brightness.
A star is born when this occurs.
Cloud of gas and dust, earliest stage of a stars life
Very large, cool and bright stars.
The explosive death of a star.
A contracting cloud of gas and dust with enough mass to form a star.
Exerts such a gravitational pull that no light can escape.
Blue main sequence
Red Giant
On the HR diagram, the y-axis indicates
The location of the hottest stars on the HR diagram
The location of the coolest stars on the HR diagram.
Stars brightness as if all were viewed from the same distance.