Space Exploration

Optical telescopes collect what type of electromagnetic radiation?

• visible light

• x rays

• gamma rays

• radio waves

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What is a benefit of space based telescopes?

• very expensive

• hard to maintain

• above the atmosphere (no interference by clouds, humidity, etc)

• must be durable

What are the advantages of radio telescopes over ground optical telescopes?

• uses radio waves

• less affected by weather and works during the day

• very large

• very small

Which of the following are space spinoffs?

• dehydrated food

• scratch resistant coatings

• memory foam

• all of the above

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How does microgravity affect the human body?

• bones lose minerals which causes them to weakened

• the heart weakens because it doesn 't need to pump as hard

• red blood cell production declines

• all of the above

What is a challenge to going to Mars?

• long exposure to solar radiation during travel may cause cancer

• risk of being left behind

• never coming back to Earth

• Mars has no water on the surface

The 2 most recent Canadian astronauts are ...

• Chris Hadfield &

  Mike McKay

• Julie Payette &

  Dave Williams

• Jenni Sidey-Gibbons &

  Joshua Kutryk

• Roberta Bondar

  Marc Garneau

How is space technology used to monitor climate change?

• high resolution images can take images of people and cars

• satellite images can be used to monitor changes over time

• high resolution images can only be used on a small area

• Envisat was launched in 2002

What is an artificial satellite?

• the moon

• as asteroid

• a device placed in orbit around the Earth

• space junk

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What is the name of the first Canadian satellite?

• Anik

• Explorer 1

• Sputnik 1

• Alouette 1