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Strange winds on seven hot Jupiters reveal strongest signs yet of exoplanet magnetic activity
Strange winds on seven hot Jupiters reveal strongest signs yet of exoplanet magnetic activity Sadie Harley Scientific Editor Robert Egan Associate Editor A team of astronomers has found the strongest evidence yet that some planets outside our solar system may be magnetic. Using the European Southern Observatory's Very Large Telescope (ESO's VLT) and the Gemini North telescope, the researchers measured wind speeds on seven very hot, Jupiter-like exoplanets. The observations reveal that the...
Small Magellanic Cloud is being pulled apart, reshaping how astronomers read its past
Small Magellanic Cloud is being pulled apart, reshaping how astronomers read its past Gaby Clark Scientific Editor Robert Egan Associate Editor Using more than a decade of observations from the VISTA Survey of the Magellanic Clouds (VMC), researchers measured the motions of millions of stars across the Small Magellanic Cloud with unprecedented precision. The new study, published in Astronomy & Astrophysics, provides direct evidence of a galaxy-wide tidal disruption of the Small Magellanic...
'Hot Jupiter' winds blasting at over 15,000 mph reveal 1st evidence of exoplanets with magnetic fields
'Hot Jupiter' winds blasting at over 15,000 mph reveal 1st evidence of exoplanets with magnetic fields "A key step toward ultimately understanding which planets can stay alive, keep their water, and perhaps even, one day, host life as we know it." Astronomers have discovered the first evidence of magnetic fields around planets beyond the solar system, and they did so by studying the worlds' high-speed, violent winds. This marks the first direct measurement of exoplanet magnetic field...
Trouble near the Milky Way: The Large Magellanic Cloud is ripping its smaller neighbor galaxy apart
Trouble near the Milky Way: The Large Magellanic Cloud is ripping its smaller neighbor galaxy apart In the gravitational tug of war between the dwarf galaxy siblings, it's the Small Magellanic Cloud that's losing. The Small Magellanic Cloud seems to be coming undone at the gravitational hands of its sibling galaxy, the Large Magellanic Cloud, which has been found to be unwrapping its little brother's stars. The Small and Large Magellanic Clouds (SMC and LMC for short) are two dwarf irregular...
'Totally counterintuitive': Scientists accidentally discover magnetic fields around 7 distant planets, opening new window in the search for life
'Totally counterintuitive': Scientists accidentally discover magnetic fields around 7 distant planets, opening new window in the search for life In an astronomical first, researchers have measured the magnetic fields of seven "hot Jupiter" planets beyond our solar system — adding new clues in the search for alien life. In a first-of-its-kind discovery, astronomers claim they have directly measured the magnetic fields of multiple planets beyond our solar system — potentially providing a...
Astronomers discover exoplanets with magnetic fields
Astronomers discover exoplanets with magnetic fields WASHINGTON: Based on the behaviour of winds on seven large and hot gas exoplanets, astronomers have obtained the strongest evidence to date that planets beyond our solar system possess magnetic fields, like Earth and five other planets in our solar system. The finding, based on observations by telescopes in Chile and Hawaii, deepens the understanding of exoplanets by showing that at least some share an important characteristic present in...
A cosmic case of mistaken identity that can only be solved right now
I’m certain scientists before me have thought this about their own era, but nonetheless, I think we are living in a wildly exciting time for galaxy research. Though US and UK research budgets might be doing the opposite, our understanding of the universe is rapidly expanding. In just the few years since its launch on Christmas 2021, the James Webb Space Telescope (what I prefer to call the Just Wonderful Space Telescope, or JWST) has transformed our understanding of what galaxies looked like...
Brightness 'gap' in ancient star cluster reveals missing red dwarfs
Brightness 'gap' in ancient star cluster reveals missing red dwarfs Gaby Clark Scientific Editor Robert Egan Associate Editor Scientists from the Space Telescope Science Institute (STScI) in Baltimore, Maryland, sought to study one stellar subject and ended up finding something even more exciting. The team's results published today in Astronomy & Astrophysics. Using data from the European Space Agency's (ESA's) Euclid space telescope and NASA's Hubble Space Telescope, the team planned to...