Researchers discover a six-planet system with near 3:2 resonance

Almost visible to the naked eye in the Draco constellation, the star HD 158259 has been observed for the last seven years by astronomers using the SOPHIE spectrograph. This instrument, installed at the Haute-Provence Observatory ...

What makes Saturn's atmosphere so hot

The upper layers in the atmospheres of gas giants—Saturn, Jupiter, Uranus and Neptune—are hot, just like Earth's. But unlike Earth, the Sun is too far from these outer planets to account for the high temperatures. Their ...

Meteorites lend clues to solar system's origin

The isotopic composition of meteorites and terrestrial planets holds important clues about the earliest history of the solar system and the processes of planet formation.

Researcher makes the heart of Mars speak

For 20 years, Véronique Dehant, a space scientist at University of Louvain (UCLouvain) and the Royal Observatory of Belgium, has been working on understanding the Earth's core. In a few months, she will be able to complete ...

Hubble showcases new portrait of Jupiter

The NASA/ESA Hubble Space Telescope reveals the intricate, detailed beauty of Jupiter's clouds in this new image taken on 27 June 2019. It features the planet's trademark Great Red Spot and a more intense colour palette in ...

Icy giant planets in the laboratory

Giant planets like Uranus and Neptune may contain much less free hydrogen than previously assumed. Researchers from the German Helmholtz-Zentrum Dresden-Rossendorf (HZDR) drove shock waves through two types of plastic to ...

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