Section 1: Observing the universe

Section 1: Observing the universe

Multiple Choice

The primary purpose of a telescope is to:

• measure the brightness of stars very accurately

• collect a large amount of light and bring it into focus

• separate light into its component wavelengths

• magnify distant objects

Multiple Choice

The electromagnetic spectrum consists of

• all of the colors of light you can see with your eyes.

• all of the different types of electromagnetic waves.

• a band of colors formed when white light passes through a prism.

• the distance between the crest of one wave and the crest of the next wave.

Multiple Choice

Radio waves have ______ wavelengths than waves of visible light.

• shorter
• longer
• the same length

Multiple Choice

Electromagnetic radiation is simply known as

• light

• refraction

• reflection

• time

Multiple Choice

What is radiant energy?

• Energy that electromagnetic waves carry

• Magnet Energy

• Radio waves that communicate

• Radio Energy

Multiple Choice

Hot stars are .................

• emit mostly shorter waves with higher waves

• x-rays, gamma rays

• ultraviolet waves

• All of the above.

Multiple Choice

• reflection telescope

• refraction telescope

• radio telescope

Multiple Choice

• reflection telescope

• refraction telescope

• radio telescope

Multiple Choice

A ______ telescope uses a mirror to focus light onto a small area.

• reflecting

• refracting

• radio

• spectrum

Multiple Choice

A ______ telescope uses a mirror to focus light onto a small area.

• reflecting

• refracting

• radio

• spectrum

Multiple Choice

What does a radio telescope do?

• collects light

• collects radio waves

• magnifies distant objects

• makes distant objects seem bright

Multiple Choice

Who created the Hubble Space Telescope?

• Albert Einstein

• Edward Hubble

• Stephen Hubble

• Edwin Hubble

Multiple Choice

what was the last discovery of the hubble telescope

• a Dusty Galaxy With Supermassive Center

• bigbang

• just space

• they found aliens

Multiple Choice

When was the Hubble Space Telescope launched?

• February 12, 1985

• January 18, 1950

• April 24, 1990

• August 15, 1995

Multiple Choice

What electromagnetic radiation does the Spitzer Space telescope measures

• Infrared

• UV

• Radiowaves

• Microwaves

Multiple Choice

The James Webb Space Telescope is designed to ...

• orbit the Moon

• view Earth from space

• collect information about early galaxies

• search for alien life

Multiple Choice

What year will the James Webb Telescope be put into orbit?

• 2016

• 2021

• 2018

• 1990