RE1_U4A (VOC) Fill in the blank. Flashcard

Front

You can use a ______ to see things that are very far away in space.

Back

telescope

Front

An ______ studies stars, planets, and galaxies.

Back

astronomer

Front

A ______ is a group of many stars and planets in space.

Back

galaxy

Front

Do aliens really ______ on other planets?

Back

exist

Front

A hammer is a common ______ used for building things.

Back

tool

Front

The ______ contains everything—stars, planets, galaxies, and space itself.

Back

universe

Front

Some people believe that intelligent ______ may live outside Earth.

Back

beings

Front

Scientists are trying to ______ life on other planets by sending messages.

Back

contact

Front

The Earth ______ the Sun once every year.

Back

circles

Front

This telescope is very ______. It can show stars clearly.

Back

powerful