Deep dives into Pluto, twilight science, NASA missions, and the wonders of our solar system's most distant worlds.
Showing 1–5 of 5 articles
Discover how the inverse square law means Pluto receives just 1/1560th of Earth's sunlight, why 60-100 lux is brighter than you think, and how to experience Pluto's noon during Earth's twilight.
Pluto shines at magnitude 14.4 — far too faint for the naked eye. Learn what telescope you need, where Pluto is in the sky, and the best conditions for spotting this distant dwarf planet.
Pluto is approximately 4.5 billion years old, born from the same solar nebula as Earth. Explore its formation, Clyde Tombaugh's 1930 discovery, the 2006 reclassification, and what New Horizons revealed.
A day on Pluto lasts 153.3 Earth hours — about 6.4 Earth days. Learn about Pluto's retrograde rotation, its extreme axial tilt, and what experiencing a full day-night cycle would feel like on the dwarf planet's surface.
Discover what Pluto Time is, how NASA created the concept during the New Horizons mission, and how the Sun's -1.5° elevation angle lets you experience Pluto's noon brightness right from Earth.