a series of three novels or movies that are closely related and involve the same characters or themes

a minor planet; one of thousands of small bodies that circle around the sun.

a group of three singers or musicians who perform together; a group of three people or things.

a person who travels into outer space in a spacecraft.

able to speak and understand two languages; using or expressed in two

languages

a person who studies stars, planets, and other objects in outer space

different from each other; made up of people or things that are different

from each other.

(1) extremely large. The electricity bill was astronomical during

December because we hung so many Christmas lights. (2) of or relating to astronomy

a situation in which you must make a difficult choice.

There are millions of _______________ in our solar system.

The first female _______________ was Valentina Tereshkova in 1963.

The telescope revolutionized _______________ observations.

An _______________ resembles a conventional image of a star.

My science professor is an _______________.

Have you ever been faced with a tough _______________?

Currently, at least one in five children is _______________.

The scout group consisted of a very _______________ group of boys of many nationalities.

Jane’s mother let her leave school early to see the newest movie in her favorite _______________.

The three friends remained a tight-knit _______________ throughout middle and high school.