Betelgeuse Smaller Than Previously Calculated, Still Mystery

<p>Scientists collected fresh data on Orion’s bright star Betelgeuse to try and understand this star that caused so much controversy next 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.</p>