Tag Archives: stars

Exoplanets, Iron, Evolution and Strange Geochemistry

Science stories and topics have been piling up in my ‘to do’ list for more than a year. This week, I’m catching up on what we’re learning about life here on Earth; and developments in the ongoing search for extraterrestrial … Continue reading

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A Star by Any Other Name, and a Galilean Interlude

I started writing about stars, names, designations and how we got to a point where Sirius is also known as BD-16°1591, ADS 5423 and GJ 244. That started me thinking about telescopes, Galileo, Aristotle and Dante. One Star, Many Names: … Continue reading

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TESS, Three Stars and a Planet’s Odd Orbit

Transiting Exoplanet Survey Satellite (TESS), a robotic observatory, began watching 200,000 nearby stars on August 7, 2018. So far, scientists have found more than 2,200 TESS Objects of Interest (TOI). Of these, again so far, 154 have turned out to … Continue reading

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Supernova Requiem: Reruns From a Gravity Lens

Nothing in this universe lasts forever, including stars. Massive stars live fast and die young: exploding as supernovae. One of these, AT2016jka, nicknamed “Requiem,” was first spotted in 2016. It showed up again in 2019. Scientists figure they’ll get another … Continue reading

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