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NanoSail-D2

📖 3 min read 📊 beginner 🏷️ NASA APOD

In Brief

In 2011, on January 20, NASA's NanoSail-D2 unfurled a very thin and very reflective 10 square meter sail becoming the first solar sail spacecraft in low Earth orbit. Often considered the stuff of science fiction, sailing through space was suggested 400 years ago by astronomer Johannes Kepler, who ha...

NanoSail-D2

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The Full Story

In 2011, on January 20, NASA's NanoSail-D2 unfurled a very thin and very reflective 10 square meter sail becoming the first solar sail spacecraft in low Earth orbit. Often considered the stuff of science fiction, sailing through space was suggested 400 years ago by astronomer Johannes Kepler, who had observed comet tails blown by the solar wind. But modern solar sail spacecraft designs, like NanoSail-D2, Japan's interplanetary spacecraft IKAROS, or the Planetary Society's Lightsail A, rely on th...

Key Takeaways

  • 1 Important astronomical discovery
  • 2 Advances our understanding
  • 3 Future research potential
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How We Know This

Scientific observation and analysis

What This Means

Contributes to our knowledge of the universe

Why It Matters

Important advance in astronomy

Related Topics

#astronomy #discovery