First audio recorded on Mars reveals two speeds of sound

The first audio recordings on Mars reveal a quiet planet with occasional gusts of wind where two different speeds of sound would have a strange delayed effect on hearing, scientists said Friday.

Deep diamonds contain evidence of deep-Earth recycling processes

Diamonds that formed deep in the Earth's mantle contain evidence of chemical reactions that occurred on the seafloor. Probing these gems can help geoscientists understand how material is exchanged between the planet's surface ...

A warp in the Milky Way linked to galactic collision

When most of us picture the shape of the Milky Way, the galaxy that contains our own sun and hundreds of billions of other stars, we think of a central mass surrounded by a flat disc of stars that spiral around it. However, ...

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 ...

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