Tag Archives: ESO

ESO announces first direct observation of an exoplanet using optical interferometry

March 27 — The GRAVITY instrument on ESO’s Very Large Telescope Interferometer (VLTI) has made the first direct observation of an exoplanet using optical interferometry. This method revealed a complex exoplanetary atmosphere with clouds of iron and silicates swirling in … Continue reading

Posted in Uncategorized | Tagged , , ,

A fleeting moment in (astronomical) time

  An evanescent shell of glowing gas spreading into space — the planetary nebula ESO 577-24 —  dominates this image. This planetary nebula is the remains of a dead giant star that has thrown off its outer layers, leaving behind … Continue reading

Posted in Uncategorized | Tagged , , , ,

Monday, July 9: A quick trip to Alpha Centauri, and CAA’s Monthly General Membership Meeting

Coming up on Monday, July 9 is the monthly meeting of the Cuyahoga Astronomical Association (CAA). The evening’s speaker will be Jay Reynolds, club member, research astronomer at Cleveland State University, and host of WKYC’s “In The Sky.” Jay will … Continue reading

Posted in Uncategorized | Tagged , , , , ,

Extrasolar star’s turbulent surface imaged

Astronomers using ESO’s Very Large Telescope have for the first time directly observed granulation patterns on the surface of a star outside the Solar System — the ageing red giant π1 Gruis. This remarkable new image from the PIONIER instrument … Continue reading

Posted in Uncategorized | Tagged , , , , , ,

Discovered: An Earth-sized temperate planet only 11 light-years away

A team working with ESO’s High Accuracy Radial velocity Planet Searcher (HARPS) at the La Silla Observatory in Chile has found that the red dwarf star Ross 128 is orbited by a low-mass exoplanet every 9.9 days. This Earth-sized world … Continue reading

Posted in Uncategorized | Tagged , , ,

Seven Earth-sized planets discovered around dwarf star 40 light-years distant

Feb. 22, 2017 — Astronomers have found a system of seven Earth-sized planets just 40 light-years away. Using ground and space telescopes, including ESO’s Very Large Telescope, the planets were all detected as they passed in front of their parent … Continue reading

Posted in Uncategorized | Tagged , , , , , , , ,

Earth-sized world detected at Proxima Centauri

Astronomers using ESO telescopes and other facilities have found clear evidence of a planet orbiting the nearest star to our own Sun, Proxima Centauri. The long-sought world, designated Proxima b, orbits its cool red parent star every 11 days and … Continue reading

Posted in Uncategorized | Tagged , , , , ,