About the SA Blog Network

Posts Tagged "exoplanet image"

Life, Unbounded

First Reconnaissance Of An Exoplanetary System

HR 8799

Using cutting edge techniques, a team of astronomers has directly imaged a distant system of four planets, and made history by obtaining simultaneous spectra of these worlds. This first comparative look reveals that the objects each have distinct atmospheric compositions, none of which directly match any previously known class of astrophysical body.     Only [...]

Keep reading »
Life, Unbounded

Dance of the Exoplanets

Fomalhaut and Fomalhaut b (inset) Hubble imagery (Credit:  NASA, ESA, and P. Kalas (University of California, Berkeley and SETI Institute))

It’s been an exciting few days for exoplanetary science. A slew of refined statistical measurements of the abundance of other worlds have made it clearer than ever that our galaxy is crammed with planets. One in six stars should host at least one Earth-sized object in an orbit smaller than that of Mercury, implying that [...]

Keep reading »

More from Scientific American

Email this Article