Betelgeuse Smaller Than Previously Calculated, Still Mystery

Betelgeuse Smaller Than Previously Calculated, Still Mystery

Scientists collected fresh data on Orion’s bright star Betelgeuse to try and understand this star that caused so much controversy last year. They found it’s smaller than previously calculated, and last year’s dimming was likely caused by dust, but it’s also more complex than thought. Plus, galaxies, Earth’s forests, ice on Mars, and Saturn’s moon Rhea.

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Anatomical Dissection of Planetary Nebula Using Hubble Images

Anatomical Dissection of Planetary Nebula Using Hubble Images

Our coverage of last week’s AAS meeting continues with new work on the formation of planetary nebula based on Hubble Space Telescope images. Plus, a massive quasar in the early universe, water ice on Ganymede, a super-puff planet, and plans for taking spectra of Venus’ surface, featuring our guest, PSI scientist Dr. Darby Dyer.

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