Science Updates - A look at CfA discoveries from recent journals

optical image of the cluster of galaxies Abell 959
September 13, 2019

Most galaxies lie in clusters containing from a few to thousands of objects. Our Milky Way, for example, belongs to the Local Group, a cluster of about fifty galaxies whose other large member is the Andromeda galaxy about 2.3 million light-years away.

September 6, 2019

Life on Earth is dominated by photosynthesis, the process by which green plants and some organisms use sunlight at visible wavelengths to synthesize carbon-based nutrients from carbon dioxide gas and water. Photosynthesis arose relatively early in Earth's evolutionary history, perhaps as long ago as three billion years.

artist concept of Kepler in space
August 30, 2019

The Kepler satellite is famous for its discovery of thousands of exoplanets by continuously and meticulously measuring the brightnesses of over half-a-million stars for the signatures of transiting exoplanets. Less well known are the revolutionary consequences of its monitoring program for stellar astrophysics, in particular for the study of stellar oscillations.