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SteveE113
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SPACE EXPLORATION
Asteroid Missions
Hayabusa2
Asteroid samples from space reveal clues to Earth's water and life origins
41 hours ago
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What key advancement did Hayabusa2 achieve compared to its predecessor in asteroid sample collection?
It collected subsurface samples by firing a projectile to excavate material.
It was the first mission to orbit an asteroid without landing.
It only collected surface dust without any subsurface material.
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SteveO1
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SPACE EXPLORATION
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Hayabusa2
Japan's Hayabusa2 mission defied odds to bring asteroid secrets back to Earth
3 days ago
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What was the primary challenge Hayabusa2 faced in its mission to collect and return asteroid samples?
Navigating and operating on the asteroid's unpredictable surface while ensuring safe sample return
Avoiding collisions with other spacecraft in Earth's orbit
Finding water sources on the asteroid to support human colonization
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f0rmationlap
Formation laps
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SPACE EXPLORATION
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Hayabusa2
Hayabusa2 successfully returned asteroid samples to Earth, advancing space exploration
4 Feb 2026
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What was the primary scientific objective of the Hayabusa2 mission during its time at asteroid Ryugu?
To land astronauts on the asteroid and establish a permanent base
To redirect the asteroid's orbit to prevent potential Earth impact
To survey the asteroid and collect surface and subsurface samples for return to Earth
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