New Horizons flies by Pluto
Oh wow! Today the New Horizons spacecraft zipped past Pluto at 30,800 mph (49,600 km/hr), just 476,000 miles (768,000 kilometers) from the surface. I was expecting something cool, but not a heart 1,000 miles (1,600 kilometers) across. The heart is quie near Pluto’s equator (the photo mostly shows the northern hemisphere) and it seems remarkably flat. The best guess is that it’s geologically new, because much of the rest of…