New Horizons Explores Pluto and Its Moons

Pluto and its moons hold many secrets that New Horizons discovered through Alice – its sensitive ultraviolet imaging spectrometer. Instruments have detected an atmospheric haze which could contain methane. Pluto Underground team has created a unique spacecraft designed to investigate this mystery. The Mission As New Horizons will pass Pluto this Wednesday, astronomers will finally…

Spacecraft Names – Culture, Heroes, Values and Priorities

Fraser: The Planetary Society and JAXA recently collected names for their Hayabusa2 mission to asteroid Ryugu. These will be inscribed onto target markers dropped by the spacecraft, returning home when Hayabusa2 makes landfall. How and what do spacecraft names mean to us? Theme Names given to spacecraft typically reflect their creators’ culture, heroes and values;…

Why is the Sky Blue and the Sunset Red?

Sunlight from the sun passes through our atmosphere and becomes dispersed, with shorter wavelengths like blue being scattered more widely than other colors. Blue light must travel further through the atmosphere than other colors, which explains why the sky appears blue. Rayleigh Scattering Sunlight passing through Earth’s atmosphere is scattered by molecules and particles in…