This printable crossword puzzle on the topic of Astronomy & Space has 25 clues. Answers range from 4 to 15 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
a dark feature in the spectrum of a star made by cooler gases in a star’s outer layer.
the ratio of total reflected-light
the height of anything above given a planetary reference plane
The gravitational field is intense that nothing can escape it
a compact quasar is called a
a large meteor that explodes is called a
red giant having a spectrum with strong bands of carbon compounds is called a
a cold dark star that is too small to initiate nuclear reactions
a stony meteorite containing chondrules
a gravitationally collapsed star
Perfectly aligning a telescope’s optics is called
The central region of a planet, star, and galaxy is called the
a grouping of two stars
Minute particles floating in space is called
a small galaxy that contains a few million stars is called
two asteroids that orbit around each other
a very bright meteor is called a
violent outburst of energy from stars surface
disk of a spiral galaxy
a projection of the Milky Way’s disk on the sky is called a
Edge of a celestial object
the total amount of light that an object radiates is called
One million parsecs, equivalent to 3.26 million light-years is a
small rock that orbits the Sun is called a
One millionth of a meter is a