The Space Economy: Checkpoint 1

Quick checkpoint - five questions on the space economy, reusable rockets, satellite internet, GPS and ISRO.

Question 1 of 5 What makes up the largest share of space economy revenue?

Space tourism Downstream services like communications, navigation and Earth observation Astronaut salaries Moon mining

Most value comes from satellite services used on the ground.

Question 2 of 5 Why did reusable rockets cut launch costs?

They use no fuel Reusing the most expensive rocket stage spreads its cost over many flights They are smaller Governments pay for them

SpaceX first landed a Falcon 9 booster in December 2015.

Question 3 of 5 Why do satellite internet constellations use many satellites in low Earth orbit?

Low orbits are cheaper to reach and reduce signal delays, but many satellites are needed for constant coverage Low orbits never need replacing Geostationary orbit is banned It is required by law

Low-orbit satellites move quickly across the sky, so many are needed.

Question 4 of 5 Why is GPS considered a public good?

It is sold to the highest bidder Its signals are free and one person's use does not reduce another's Only governments can use it It works only in the United States

A U.S. study estimated GPS generated around 1.4 trillion dollars in private sector benefits.

Question 5 of 5 Which ISRO mission reached Mars orbit on the first attempt?

Chandrayaan-3 Mangalyaan PSLV-C37 NavIC

Its cost of around 450 crore rupees was famously low.

← Back to India's Space Start-ups Next lesson → Space Debris: A Tragedy of the Orbital Commons

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