Space Exploration quiz

More questions about Space Exploration

These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.

1. 1 Easy

   Which robotic arm on the ISS helps move heavy equipment?

   Answer: Canadarm2

   Why: It walks end over end between grapple fixtures, can handle 116,000 kg, and carries Dextre, a two-armed robotic hand, on its tip.

2. 2 Medium

   What do space toilets use instead of water to pull waste?

   Answer: Air suction

   Why: Air suction replaces gravity in orbit, pulling waste into specialized holding tanks so it cannot drift.

3. 3 Hard

   What phrase was printed on the circuit board of Musk's space-bound Tesla?

   Answer: Made on Earth by humans

   Why: Don't Panic showed on the dash screen instead; the Roadster flew on 6 February 2018 with the Hitchhiker's Guide in its glove box.

4. 4 Easy

   What kind of animal was Laika, the first creature to orbit Earth?

   Answer: Dog

   Why: Laika was a stray dog from Moscow chosen because street dogs were believed to be better conditioned for harsh, freezing conditions.

5. 5 Medium

   What instrument was installed to fix the Hubble Space Telescope's blurry vision?

   Answer: COSTAR

   Why: It worked like eyeglasses for three other instruments, and astronauts removed it in 2009 once every new camera could correct the flaw itself.

6. 6 Hard

   What material protected the Apollo Command Module from 2,760°C reentry heat?

   Answer: Avcoat ablator

   Why: Technicians gunned the paste into more than 300,000 fibreglass honeycomb cells one at a time; Orion now flies shaped Avcoat blocks.