Back to Articles Image Of The Day

3I/ATLAS Flyby

📖 3 min read 📊 beginner 🏷️ NASA APOD

In Brief

Attention grabbing interstellar visitor 3I/ATLAS made its not-so-close flyby of our fair planet on December 19 at a distance of 1.8 astronomical units. That's about 900 light-seconds. Still, this deep exposure captures the comet from another star system as it gently swept across a faint background o...

3I/ATLAS Flyby

Disclosure: This post contains affiliate links. As an Amazon Associate, I earn from qualifying purchases.

The Full Story

Attention grabbing interstellar visitor 3I/ATLAS made its not-so-close flyby of our fair planet on December 19 at a distance of 1.8 astronomical units. That's about 900 light-seconds. Still, this deep exposure captures the comet from another star system as it gently swept across a faint background of stars in the constellation Leo about 4 days earlier, on the night of December 15. Though faint, colors emphasized in the image data, show off the comet's yellowish dust tail and bluish ion tail alon...

Key Takeaways

  • 1 Important astronomical discovery
  • 2 Advances our understanding
  • 3 Future research potential
National Geographic Planisphere Star Finder

National Geographic Planisphere Star Finder

Essential tool for identifying constellations and stars. Perfect for beginners learning the night sky.

Check Price on Amazon
*As an Amazon Associate, we earn from qualifying purchases.

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