When the smaller star merges with the other, "jets of material" can flow out and wobble, which is what researchers think is happening with the Butterfly Nebula. The way iron emissions — gas blown out at high speed by a star and captured by the Hubble camera filter — show up along opposing, off-center directions, implies that the source is wobbling over time, "like a spinning top that's about to fall," Kastner explains. "That's another telltale sign of the presence of a disk, which directs the flow, and also a binary companion." … [Read more...] about Hubble Hubble: Telescope Provides Stunning New Images of Two Planetary Nebulas
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The treasure hunt was a modified version of an earlier idea. Fenn was diagnosed with terminal kidney cancer in 1988 and had planned to die peacefully in the woods with his treasure. But when his cancer went into remission, he put his plans on hiatus, eventually writing the poem that described his ideal resting place, which is where he hid the treasure. The poem appeared in a self-published memoir called "The Thrill of the Chase." Fenn told Business Insider that the chest wouldn't be found by accident; only a treasure hunter who correctly interpreted the clues would find it. … [Read more...] about Fenn’s Treasure Has Been Found!