Young Jupiter was smacked head-on by massive newborn planet

A colossal, head-on collision between Jupiter and a still-forming planet in the early solar system, about 4.5 billion years ago, could explain surprising readings from NASA's Juno spacecraft, according to a study this week ...

Solar physics with the Square Kilometre Array

Although solar physics is one of the most mature branches of astrophysics, the sun confronts researchers with a large number of outstanding fundamental problems. These problems include the determination of the structure ...

One year, two trips around sun for NASA's Parker Solar Probe

Since NASA's Parker Solar Probe launched on Aug. 12, 2018, Earth has made a single trip around the sun—while the daring solar explorer is well into its third orbit around our star. With two close passes by the sun already ...

Image: Small object spotted orbiting 67P/Churyumov-Gerasimenko

Last week marked five years since ESA's Rosetta probe arrived at its target, a comet named 67P/Churyumov-Gerasimenko (or 67P/C-G). Tomorrow, 13 August, it will be four years since the comet, escorted by Rosetta, reached its ...

A new timeline of Earth's cataclysmic past

Welcome to the early solar system. Just after the planets formed more than 4.5 billion years ago, our cosmic neighborhood was a chaotic place. Waves of comets, asteroids and even proto-planets streamed toward the inner solar ...

Asteroid's features to be named after mythical birds

Working with NASA's OSIRIS-REx team, the International Astronomical Union's Working Group for Planetary System Nomenclature (WGPSN) approved the theme "birds and bird-like creatures in mythology" for naming surface features ...

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