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Space Exploration

📑 5 slides 👁 8 views 📅 1/19/2026
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Introduction to Space Exploration

Space exploration began in 1957 with the launch of Sputnik 1, the first artificial satellite.

Introduction to Space Exploration
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Milestones in Space History

  • 1961: Yuri Gagarin became the first human in space, orbiting Earth for 108 minutes.
  • 1969: Apollo 11 landed on the Moon, with Neil Armstrong taking the first steps.
  • 1990: Hubble Space Telescope launched, revolutionizing astronomy with deep-space images.
  • 2021: Perseverance Rover landed on Mars, searching for signs of ancient life.
Milestones in Space History
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Current Missions & Technology

  • James Webb Telescope explores distant galaxies, revealing the universe's early formation.
  • Artemis Program aims to return humans to the Moon by 2025, including the first woman.
  • Private companies like SpaceX and Blue Origin are revolutionizing reusable rocket technology.
  • Mars rovers like Curiosity and Perseverance study the planet's geology and climate.
Current Missions & Technology
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Challenges of Space Travel

  • Microgravity affects human health, causing muscle atrophy and bone loss over time.
  • Radiation exposure in space increases cancer risks, requiring advanced shielding solutions.
  • Long-duration missions need sustainable life support systems for food, water, and oxygen.
  • Cost remains a barrier, with launches averaging $100 million per mission.
Challenges of Space Travel
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Future of Space Exploration

  • Planned missions include crewed Mars expeditions by the 2030s and lunar bases by 2040.
  • New technologies like nuclear propulsion could shorten travel time to distant planets.
  • Space tourism is emerging, with companies offering suborbital flights for civilians.
  • International collaborations aim to establish sustainable space habitats and colonies.
Future of Space Exploration
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