Tag Archives: universe

The universe is getting hot, hot, hot, a new study suggests

Temperature has increased about 10-fold over the last 10 billion years

The universe is getting hotter, a new study has found.

The study, published Oct. 13 in the Astrophysical Journal, probed the thermal history of the universe over the last 10 billion years. It found that the mean temperature of gas across the universe has increased more than 10 times over that time period and reached about 2 million degrees Kelvin today — approximately 4 million degrees Fahrenheit. (more…)

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Finding Neutrinos – a Q&A with Matthew Green

Matthew Green is an assistant professor of physics at NC State. He was involved in a multi-institutional research project aimed at detecting a process called Coherent Elastic Neutrino Nuclear Scattering (CEvNS). The project was successful, and its findings appear in Science. Matthew agreed to a Q&A with The Abstract on the project and its results. (more…)

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Next-Gen Dark Matter Detector in a Race to Finish Line

Berkeley Lab is leading the construction of a mile-deep experiment that seeks to solve a science mystery

The race is on to build the most sensitive U.S.-based experiment designed to directly detect dark matter particles. Department of Energy officials have formally approved a key construction milestone that will propel the project toward its April 2020 goal for completion. (more…)

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The Unfolding Story of the Universe: A Conversation with Mary Evelyn Tucker and Julianne Warren

In their Journey of the Universe project—which includes a film, book, and website—philosopher Brian Thomas Swimme and historian of religions Mary Evelyn Tucker attempt to tell the biggest story ever told: the history of the universe. Through a compelling blend of scientific facts and humanistic inquiry, they move from exploring the formation of the galaxies, stars, planets, and evolution of life on Earth to reflecting on the role of humanity during our current moment of social and ecological challenges. (more…)

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We’re not alone – but the universe may be less crowded than we think

There may be far fewer galaxies further out in the universe then might be expected, according to a new study led by Michigan State University.

Over the years, the Hubble Space Telescope has allowed astronomers to look deep into the universe. The long view stirred theories of untold thousands of distant, faint galaxies. The new research, appearing in the current issue of the Astrophysical Journal Letters, however, offers a theory that reduces the estimated number of the most distant galaxies by 10 to 100 times. (more…)

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Earthlike ‘Star Wars’ Tatooines may be common

Simulations dispute dogma: rocky planets may orbit many double stars

Luke Skywalker’s home in “Star Wars” is the desert planet Tatooine, with twin sunsets because it orbits two stars. So far, only uninhabitable gas-giant planets have been identified circling such binary stars, and many researchers believe rocky planets cannot form there. Now, mathematical simulations show that Earthlike, solid planets such as Tatooine likely exist and may be widespread. (more…)

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“Assassin” Targets Supernovae in Our Neighborhood of the Universe

Project’s success spawns a new effort to study other local sky events

SEATTLE — While many astronomical collaborations use powerful telescopes to target individual objects in the distant universe, a new project at The Ohio State University is doing something radically different: using small telescopes to study a growing portion of the nearby universe all at once. (more…)

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