"What surprised us, at the end, was how effective this type of impact could be in explaining Mercury's unusual structure ...

We've known for over 30 years that there are other stellar systems in our galaxy, but we don't have any idea how many there are.

though we only ever see the ones that show up in the inner solar system as long-period comets. Estimating the cloud's ...

Those "arms" resemble the elongated structures of a spiral galaxy, like our very own Milky Way. At an epic timescale "comparable to the age of the solar system," which is 4.6 billion years old ...

This discovery has led experts to conclude that the Solar System and the Milky Way interact ... the Oort Cloud could hide within it a spiral structure that has remained intact for millions of ...

The Sun and its planets – Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune The different planets have different properties and conditions. In general, as the distance from the ...

Now, University of Vienna doctoral student Efrem Maconi thinks that our whole Solar System may have passed through this incredible structure. Using data from the European Space Agency's Gaia ...

Webb Telescope Captures Its First Direct Images of Carbon Dioxide Outside Solar System Mar. 17, 2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a ...

Dyson swarm structures are likely to use photovoltaic ... a megastructure could be built using materials available in our solar system while still preserving Earth's habitability, balancing ...

The Sun is the largest object in the Solar System. The Sun’s huge gravitational field keeps many other objects - planets, dwarf planets, asteroids and comets - in orbit around it. The Sun and ...