Astro Update – October

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Astronomy and space news summarized by Don Lynn from NASA and other sources

Most Massive Black Hole Merger – The largest black holes ever observed to merge were detected by the LIGO and Virgo gravitational wave detectors. The black holes were 85 and 66 times the Sun’s mass and merged to form one of 142 solar masses.… Continue reading.

Astro Update – September

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Astronomy and space news summarized by Don Lynn from NASA and other sources

Dense Exoplanet – Observations by astronomers at the Pennsylvania State University found an unusually dense exoplanet orbiting a star in the Hyades open star cluster. Known as K2-25b, it is slightly smaller than Neptune but about 1.5 times as massive.… Continue reading.

Astro Update – August

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Astronomy and space news summarized by Don Lynn from NASA and other sources

Mass Gap Breached – The largest known neutron star is about 2.2 times the mass of the Sun, which aligns with theoretical projections that predict a neutron star should collapse into a black hole at about this mass.… Continue reading.

Astro Update – June

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Astronomy and space news summarized by Don Lynn from NASA and other sources

General Relativity – While Newton’s formula for gravity yields elliptical shapes for orbits, Einstein’s theory of general relativity dictates that orbiting bodies follow an ellipse that moves. Each time around an orbit, the perihelion of the ellipse advances a little bit, rotating about the main mass.… Continue reading.

Astro Update – May

with No Comments

Astronomy and space news summarized by Don Lynn from NASA and other sources

Earth-like Planet Found – An exoplanet has been found that is the closest yet to being the size and temperature of Earth. It was found by NASA scientists in archived Kepler data, and has been dubbed Kepler-1649c.… Continue reading.

Astro Update – April

with No Comments

Astronomy and space news summarized by Don Lynn from NASA and other sources

Betelgeuse – As reported here over the last two months, the star Betelgeuse dimmed to its lowest recorded level in early February. New observations made in late February showed it creeping back up in brightness.… Continue reading.

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