Sublime

As the ice melts, the region’s albedo, or reflectivity, changes. Clean, fresh snow is one of the most reflective substances known in nature, reflecting away more than 90 percent of the sunlight that hits it. But as the ice softens, its structure alters, lowering the reflectivity and absorbing more heat. As

I am superterrestrial, he thought, and passed untouched through crowds on Aldleigh High Street with the waters of his body drawn up by the moon with the tides.

In addition to being small and oddly shaped, ‘Oumuamua was strangely luminous. Despite its diminutive size, as it passed the Sun and reflected the Sun’s light, ‘Oumuamua proved to be relatively bright, at least ten times more reflective than typical solar system asteroids or comets. If, as seems possible, ‘Oumuamua was a few times smaller than the