A gigantic, balloon-like structure has been hiding in plain sight, right in the center of our own galaxy. An international team of astronomers, including Northwestern’s Farhad Yusef-Zadeh, discovered the structure, which is one of the largest ever observed in the center of the Milky Way. The newly spotted pair of radio-emitting bubbles reach hundreds of ...
Sean Carroll is a physicist at the California Institute of Technology who believes that the key to understanding the universe could lie in a theory known as the “Many Worlds universe” hypothesis. Many Worlds The idea of “Many Worlds” was first proposed by physicist Hugh Everett about five decades ago. It basically presents the universe ...
All comets might share their place of birth, new research says. For the first time ever, astronomer Christian Eistrup applied chemical models to 14 well-known comets, surprisingly finding a clear pattern. His publication has been accepted in the journal Astronomy & Astrophysics. Balls of ice or more? Comets travel through our solar system and are ...
A key tracer used to estimate how much atmosphere Mars lost can change depending on the time of day and the surface temperature on the Red Planet, according to new observations by NASA-funded scientists. Previous measurements of this tracer — isotopes of oxygen — have disagreed significantly. An accurate measurement of this tracer is important ...
Astronomers are closing in on a signal that has been traveling across the Universe for 12 billion years, bringing them nearer to understanding the life and death of the first stars. In a paper on the preprint site arXiv, soon to be published in the Astrophysical Journal, a team led by Dr. Nichole Barry from Australia’s University ...
In an unprecedented feat, an American research team discovered hidden secrets of an elusive exoplanet using a powerful new instrument at the 8-meter Gemini North telescope on Maunakea in Hawai’i. The findings not only classify a Jupiter-sized exoplanet in a close binary star system, but they also conclusively demonstrate, for the first time, which star ...
At Mauna Kea in Hawaii, an international coalition is trying to build a telescope. Called the Thirty Meter Telescope (TMT), it is expected to help scientists see what’s out in space with higher clarity. However, the project is facing stiff opposition from Native Hawaiians who believe the mountain is a sacred place. The telescope ...
Last December, scientists discovered an “active” asteroid within the asteroid belt sandwiched between the orbits of Mars and Jupiter. The space rock, designated by astronomers as 6478 Gault, appeared to be leaving two trails of dust in its wake — active behavior that is associated with comets, but which is rarely seen in asteroids. While ...
Scientists, including from The Australian National University (ANU), say they have detected a black hole swallowing a neutron star for the first time. These are the super-dense remains of dead stars. On Wednesday 14 August 2019, gravitational-wave discovery machines in the United States and Italy detected ripples in space and time from a cataclysmic event ...
This week, scientists from NASA’s upcoming Mars 2020 mission joined their counterparts from the joint European-Russian ExoMars mission in an expedition to the Australian Outback, one of the most remote, arid regions on the planet. Both teams came to hone their research techniques before their missions launch to the Red Planet next summer in search ...
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