Pythagorean Astronomy · Chris North and Edward Gomez

Out with the old, in with the new

·36 min·3 clips

Betelgeuse, Orion's brightest star, is dimming and changing shape, hinting at its final death throes.

This episode of Pythagorean Astronomy features hosts Chris North, Claudia Antolini, and Edward Gomez discussing recent astronomical observations and discoveries. The hosts, who are astronomers and science communicators, explore new findings about the star Betelgeuse and the launch of a major new space telescope. They provide expert commentary on these significant developments in the field. Recent observations indicate Betelgeuse, the bright star in Orion, has been dimming over the past few months. New data suggests the star appears to be changing shape, which is an unusual phenomenon. One explanation involves convection zones creating bright and dull patches on the star's surface, making it look distorted. Another possibility is a cloud of dust ejected from Betelgeuse is absorbing some of its light. The star is a red giant known for forming cosmic dust, primarily from carbon atoms, in its stellar winds. These observations might indicate Betelgeuse is in its final death throes, though it likely has about 100,000 years remaining. The conversation then shifts to the successful launch of the James Webb Space Telescope on Christmas Day. This new telescope is a major international collaboration and a successor to the Hubble Space Telescope. A surprising claim is that a star as large as Betelgeuse might not appear perfectly spherical due to surface activity. The idea that its dimming could be caused by a simple dust cloud, rather than an imminent supernova, is a notable insight. The hosts clarify that cosmic dust is fundamentally different from household dust, forming in the extreme environments around red giants. They emphasize the James Webb Space Telescope's launch as a pivotal moment for future astronomy. The technical achievement of launching such a complex observatory is highlighted as a memorable milestone. The discussion balances immediate astronomical puzzles with the long-term promise of new observational tools. The tone is conversational and educational, with hosts sharing expertise in an accessible manner. The style is collaborative, with the hosts building on each other's points to explain complex topics. Listeners interested in the latest cosmic events and space mission updates would love this episode. Those seeking highly technical, physics-heavy analysis might find the discussion too broad.

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