Technological Advancements in Space

Front

Until the early 1600s, people observed the night sky with __________.

Back

their eyes

Front

Who was the first astronomer to use a telescope to observe the sky?

Back

Galileo Galilei

Front

What do astronomers study?

Back

stars, planets, and other objects in space

Front

Which type of telescope uses lenses or mirrors to gather visible light?

Back

optical telescope

Front

Which type of telescope floats in space?

Back

space telescope

Front

Which type of telescope is the Hubble Space Telescope?

Back

space telescope

Front

What does a radio telescope record?

Back

radio waves

Front

Radio waves are _________________ waves that travel through space and can carry information.

Back

invisible

Front

Who were the first astronauts to travel into space?

Back

Soviet astronauts

Front

Where do astronauts go to conduct experiments and launch satellites while in space?

Back

the International Space Station