Observing the Universe Quiz

What is the primary advantage astronomers today have over people in the past?

• The ability to travel to other planets

• The use of telescopes

• The invention of the compass

• The discovery of new planets

What is the speed of light in space?

• 300,000 km/s

• 150,000 km/s

• 450,000 km/s

• 600,000 km/s

Tags

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Which type of electromagnetic wave has the shortest wavelength?

• Microwaves

• Infrared waves

• Gamma rays

• Radio waves

Tags

NGSS.HS-PS4-1

What type of telescope is the Hubble Space Telescope?

• Reflecting telescope

• Radio telescope

• Microwave telescope

• Refracting telescope

Which part of the electromagnetic spectrum can humans see?

• Gamma rays

• Radio waves

• Visible light

• X-rays

What is the main reason for placing telescopes in space?

• To avoid light pollution

• To be closer to the stars

• To collect energy at all wavelengths

• To avoid Earth's gravity

What type of waves do radio telescopes collect?

• Ultraviolet waves

• Radio waves and some microwaves

• Gamma rays

• Visible light waves

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What is the primary function of a convex lens in a refracting telescope?

• To magnify the image

• To detect radio waves

• To concentrate light from a distant object

• To reflect light

Which space telescope was launched to collect infrared waves in 2003?

• Keck Telescope

• Hubble Space Telescope

• James Webb Space Telescope

• Spitzer Space Telescope

What do larger primary mirrors in telescopes usually produce?

• Larger images

• Faster data collection

• Clearer images

• More colorful images