Skyler Ware is a freelance science journalist covering chemistry, biology, paleontology and Earth science. She was a 2023 AAAS Mass Media Science and Engineering Fellow at Science News. Her work has also appeared in Science News Explores, ZME Science and Chembites, among others. Skyler has a Ph.D. in chemistry from Caltech.
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AstronomyMysterious, irradiated 'scar' in our galaxy may finally have an explanationContact me with news and offers from other Future brandsSign up for the latest discoveries, groundbreaking research and fascinating breakthroughs that impact you and the wider world direct to your inbox.Feed your curiosity with an exclusive mystery every week, solved with science and delivered direct to your inbox before it's seen anywhere else.Sign up to our free science & technology newsletter for your weekly fix of fascinating articles, quick quizzes, amazing images, and moreSign up to our monthly entertainment newsletter to keep up with all our coverage of the latest sci-fi and space movies, tv shows, games and books.Discover this week's must-see night sky events, moon phases, and stunning astrophotos. Sign up for our skywatching newsletter and explore the universe with us!Astronomers have spotted an unusual planetary system with a rebellious rocky planet orbiting well beyond where it would be expected to form. Typically, rocky planets develop closer to a star, and gaseous planets form farther out — as is the case in ourAnd in the newly spotted system of four planets, the first three follow this pattern. But the system also has a rocky planet orbiting at its outer edge, beyond the two gas planets. That suggests the planet formed after the gas in the protoplanetary disk was already used up, researchers reported Feb. 12 in the journalJames Webb telescope uncovers a new mystery: A broiling 'hell planet' with an atmosphere that shouldn't existAs the planets in our solar system formed and grew, they accreted dust, metals and other solids. Far from the sun, materials such as water and methane remained solid due to the cooler temperatures. As the outer planets got larger, they pulled in hydrogen and helium from their surroundings and grew into gas giants., said in the statement."As we are seeing more and more different exoplanet systems, we are starting to revisit these theories." In the new study, Wilson and colleagues searched for exoplanets surrounding the red dwarf star LHS 1903, which had been observed by the Transiting Exoplanet Survey Satellite between 2019 and 2023. When a planet passes between the star and the satellite, it dims the star's light slightly. Then, they studied the properties of those planets, using the Characterizing Exoplanets Satellite .Get the world’s most fascinating discoveries delivered straight to your inbox.orbiting the star, including the distant rocky one. The planets likely did not form at the same time, the team found; instead, they developed one by one and changed the environment in which each subsequent planet grew."By the time this final outer planet formed, the system may have already run out of gas, which is considered vital for planet formation," Wilson said in the statement."Yet here is a small, rocky world, defying expectations. It seems that we have found first evidence for a planet that formed in a gas-depleted environment." The team further ruled out ideas that the distant rocky planet had lost its atmosphere in a collision or swapped places with a gas planet., an astrophysicist at ESA, said in the statement."Finding clues like this one for solving this puzzle is precisely what CHEOPS set out to do." Skyler Ware is a freelance science journalist covering chemistry, biology, paleontology and Earth science. She was a 2023 AAAS Mass Media Science and Engineering Fellow at Science News. Her work has also appeared in Science News Explores, ZME Science and Chembites, among others. Skyler has a Ph.D. in chemistry from Caltech.Capture 2026's space and astronomy highlights with one of our favorite astrophotography cameras — the Sony Alpha 7 IV has 20% off at Amazon
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