NP Astro - Satellites

What is a satellite?

• Something that orbits a larger thing in space

• Those big objects along BKE

• A gadget set up by aliens to observe us from afar

Which of the following objects is a satellite? Select the correct options.

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• 
• 
• 

Name some of the uses of artificial satellites. Select the correct options.

• Navigation

• Critical communications

• Imaging

• Telecommunications

What type of orbit do the ISS and Hubble Space Telescope take around Earth?

• Low-Earth Orbit (LEO)

• Middle-Earth Orbit (MEO)

• Geostationary orbit (GEO)

• Graveyard Orbit

What types of satellites are commonly at Middle-Earth Orbit (MEO)? Choose the correct answers.

• Navigations satellites

• Space telescopes

• Imaging satellites

• Communications satellites

What do builders of ground stations located at far North/far South latitudes need to do so that they can receive GEO satellite signals? Choose the correct answers.

• Construct at high altitudes

• Point their satellite dish towards the horizon

• Construct at low altitudes

• Point their satellite dish towards the sky right above us

How long does a GEO stationary satellite take to make a full round around Earth?

• 8 Hours

• 24 Hours

• 28 Hours

• 15.6 Hours

Who is behind the world's largest satellite constellation currently?

• Jeff Bezos

• Elon Musk

• Joe Biden

• Warren Buffett

• Tim Cook

What is the name of the phenomenon where space junk causes the destruction of other objects in orbit around Earth, thus creating even more space junk, leading to a cycle of the creation of even more and more space junk?

• Kessler Syndrome

• Full Orbit Syndrome

• Kepler Syndrome

• Apocalypse Orbit Syndrome

From the video, what is a possible solution that spacecraft can use to avoid destruction due to space junk/debris?

• Whipple Shield

• Cryo-cooled Shield

• Zinc-aluminium Shield

• Brahe Shield