Buzz Aldrin on the lunar surface, Apollo 11 / NASA / Wikimedia Commons (Public Domain)
Scientific Discovery
Top 10 Greatest Space Missions of All Time
The most daring, groundbreaking, and impactful space exploration missions in history — from the first footprints on the Moon to a spacecraft that left the solar system entirely.
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Frequently asked questions
Which space mission is often ranked as the greatest of all time?
Apollo 11, which landed humans on the Moon in 1969, is widely regarded as the greatest space mission for its unprecedented human achievement and lasting impact on exploration.
What robotic missions are typically included in top 10 space mission lists?
Robotic missions like Voyager 1 and 2, the Hubble Space Telescope, and Mars rovers such as Curiosity and Perseverance are commonly featured for their groundbreaking scientific discoveries and longevity.
Why is the International Space Station considered a great space mission?
The ISS is celebrated for its continuous human habitation, international cooperation, and contributions to research in microgravity, spanning over 20 years.
Are there any uncrewed missions in the top 10 greatest space missions?
Yes, many uncrewed missions like the Voyager probes, Hubble, and the Mars rovers are consistently listed due to their profound scientific returns and technological innovations.
How are space missions typically evaluated for 'greatness' in such rankings?
Rankings consider factors such as scientific significance, technological achievement, historical importance, inspiration to humanity, and cultural impact.
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