- An asterism is an observed pattern or group of stars in the sky. Asterisms can be any identified pattern or group of stars, and therefore are a more general concept than the 88 formally defined constellations. Constellations are based on asterisms, but unlike asterisms, constellations outline and today completely divide the sky and all its celestial objects into regions around their central asterisms. For example, the asterism known as the Big Dipper comprises the seven brightest stars in the constellation Ursa Major. Another is the asterism of the Southern Cross, within the constellation of Crux.
- Puerto Rico Trash Problem: Understanding the Crisis and Working Toward Solutions (theenvironmentalblog.org)
Puerto Rico is grappling with a pressing trash problem that’s not just a visual blight, but a serious threat to its stunning landscapes, marine life, and the environment. The urgency of this crisis is underscored by its far-reaching impacts on health, tourism, and the economy. Let’s delve into the reasons behind this crisis, its profound effects on Puerto Rico, and the ongoing efforts to restore the island to its former glory.