Astronomers refer to this pair as an eclipsing binary.
The stars Algol A (center) and Algol B photographed with Georgia State University's Center for High Angular Resolution Astronomy (CHARA) interferometric array on Mount Wilson, California.
Dive into the different types of macromolecules, what they are made up of, and how they are built up and broken down.
You, like other living systems, are an amazing energy transformer.
We'll look at the bonding properties of carbon, the structures of hydrocarbons, different types of isomerism, and some functional groups important in biology.During November, skygazers at mid-northern latitudes have front-row seats to one of the great dramas of Greek mythology.The royal family of boastful Cassiopeia and her husband Cepheus soar high overhead.Explore the science along with the scenery – Image Tours show Hubble pictures through an astronomer's eyes, pinpointing and explaining key features to add understanding to the joy of cosmic sightseeing. From you, to your dog, to your dinner, to the global ecosystem, all living systems are made out of atoms that obey the basic rules of chemistry. Learn more about this fascinating molecule: its hydrogen bonds, its properties, and why it's a key ingredient for biological systems of all sizes.