Astronomers have captured the last moments of a star just before it was ripped apart by a black hole. The violent occurrence-called a tidal disruption event-created a blast of light seen just 215 million light years from Earth, the closest such flare recorded to date.
Analysis of previously unpublished data from observations of M87* between 2009 and 2013 by scientists at the Event Horizon Telescope (EHT) has revealed that the crescent shadow of the black hole is wobbling, and has rotated significantly over the past ten years of observation.
Following extensive observations of stellar winds around cool evolved stars scientists have figured out how planetary nebulae get their mesmerizing shapes. The findings, published in Science , contradict common consensus, and show that not only are stellar winds aspherical, but they also share similarities with planetary nebulae.
A new theory published today in The Astrophysical Journal Letters by scientists from Harvard University suggests that the Sun may once have had a binary companion of similar mass. If confirmed, the presence of an early stellar companion increases the likelihood that the Oort cloud was formed as observed and that Planet Nine was captured rather than formed within the solar system.
Astronomers have found compelling evidence that planets start to form while infant stars are still growing. The high-resolution image obtained with the Atacama Large Millimeter/submillimeter Array (ALMA) shows a young protostellar disk with multiple gaps and rings of dust.
Recent science missions and results are bringing the search for life closer to home, and scientists at the Center for Astrophysics Harvard & Smithsonian (CfA) and the Florida Institute of Technology (FIT) may have figured out how to determine whether life is-or was-lurking deep beneath the surface of Mars, the Moon, and other rocky objects in the universe.
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