We're entering a new era of astrophysics. The James Webb Space Telescope is helping scientists test existing ideas and models of how the universe was created—on a whole new level. This telescope is sending back images of galaxies forming under a billion years after the Big Bang—way earlier than astronomers had previously expected. Not only that, scientists had anticipated that later—but still very early—galaxies would be small, barely formed blobs; instead, the galaxies in these images have spiral arms. So, today's show is all about GALACTIC CONTROVERSY! Computational astrophysicist Jorge Moreno talks with fellow astronomer and Short Wave's Scientist in Residence Regina G. Barber about how these new findings are stirring up controversy in the scientific community and the lessons we can learn from galaxies. Questions or controversies? Email us at [email protected].
Cosmological redshift is the process by which wavelengths of light elongate as they travel through the expanding universe.Cosmological redshift is the process by which wavelengths of light elongate as they travel through the expanding universe.This light has been traveling a long time by the time it reaches the telescope. For reference, it takes around eight minutes for light to travel from the sun to your eye.
But much of the modeling astronomers have done up to this point has led them to believe that there wasn't enough time for galaxies to get this massive in so little time."It's like if you went to a kindergarten and you saw a teenager," says Moreno. "Some of them look a lot like galaxies in the local universe," he says."They seem to have added structure and maybe even spiral arms. That wasn't something we really expected."
"I think in science, if you already have a model that's simpler than that, you should stick to it—unless you have extraordinary evidence to do otherwise."
México Últimas Noticias, México Titulares
Similar News:También puedes leer noticias similares a ésta que hemos recopilado de otras fuentes de noticias.
Biblioracle the wave of books by Pelaton instructorsLooking at the array of books perhaps illustrates why Peloton has become so popular. There’s a connection to be had for everyone.
Leer más »
Starlink Is Falling Way Short of Projections on Revenue and UsersStarlink is over $10 billion short of the revenue it projected to have back in 2015, according to the Wall Street Journal.
Leer más »
– Short, Sun-Seeking Trips Can Disrupt the Skin’s MicrobiomeResearchers have demonstrated that excessive sun exposure can adversely impact the short-term diversity and composition of the skin’s bacterial makeup. Skin, the largest organ of the human body, houses a diverse collection of bacteria, fungi, and viruses that together form the skin microbiota. Amon
Leer más »
Trojans comeback attempt falls short against JMUThe Troy Trojans welcomed in the James Madison Bulldogs on Saturday night for what would turn out to become an epic Sun Belt Conference battle.
Leer más »
Fentanyl-laced stimulants driving '4th wave' of overdose deathsA
Leer más »