Back to Article List From the December 2009 issue Ask Astro web extra: Our Sun appears yellow, but the sky isn’t. Why? Associate Editor Liz Kruesi By Astronomy Staff | Published: December 28, 2009 | Last updated on May 18, 2023 Key Takeaways:
Robotic Spaceflight, Solar System Did Pluto’s gravity affect the trajectory of New Horizons when it flew past?
Solar System Biosphere 2’s latest mission: Learning how life first emerged on Earth – and how to make barren worlds habitable
