Tag Archives: astronomy

Saving the Dark

What do we lose when we lose sight of the stars? Excessive and improper lighting robs us of our night skies, disrupts our sleep patterns, and endangers nocturnal habitats. Saving the Dark explores the need to preserve or restore night … Continue reading

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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

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CAA at Lakewood Summer Solstice Celebration

The Cuyahoga Astronomical Association (CAA) will, once again, be a major activity at the city of Lakewood’s annual Summer Solstice Celebration. The event takes place in Lakewood Park and on the park’s lakefront Solstice Steps feature on Thursday, June 21 … Continue reading

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Impressive early efforts of a beginning telescope user

CAA member John Burkett writes about how he, a person who says he has used a telescope only six times in his life, created images that would be the envy of many a veteran amateur astronomer. Wanting to do astrophotography … Continue reading

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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

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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

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First observation of gravitational wave source, a kilonova: the merger of two neutron stars

On 17 August 2017 the Laser Interferometer Gravitational-Wave Observatory (LIGO) and the Virgo Interferometerboth alerted astronomical observers all over the globe about the detection of a gravitational wave event named GW170817. About two seconds after the detection of the gravitational wave, ESA’s INTEGRAL telescope and NASA’s … Continue reading

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