Molecular oxygen detected in the nearest quasar

Observations using the IRAM 30 meter telescope and the NOEMA Interferometer have unveiled the presence of molecular oxygen in Markarian 231—the nearest known quasar. The finding, detailed in a paper published on the arXiv ...

Reducing the risk of blood clots in artificial heart valves

Most people are familiar with turbulence in aviation: certain wind conditions cause a bumpy passenger flight. But even within human blood vessels, blood flow can be turbulent. Turbulence can appear when blood flows along ...

A new tool for 'weighing' unseen planets

A new instrument funded by NASA and the National Science Foundation called NEID (pronounced "NOO-id"; sounds like "fluid") will help scientists measure the masses of planets outside our solar system—exoplanets—by observing ...

Globular cluster Terzan 9 investigated with MUSE

Using the Multi Unit Spectroscopic Explorer (MUSE), an international team of astronomers has investigated Terzan 9—one of the most central globular clusters in the Milky Way galaxy. Results of the study, presented in a ...

The ongoing search for habitable exoplanets

A balmy Florida evening, and my family and I stood on Cocoa Beach, looking northward toward the Cape Canaveral Air Force Station. We were part of a seaside crowd gathered to witness the launch of NASA's Kepler Space Telescope. ...

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