All about Enceladus, Saturn’s natural satellite
Enceladus is Saturn’s sixth largest natural satellite. Enceladus has a global ocean of liquid water beneath its icy surface. South…
Astronomy
Strange galaxies
Galaxies can take on the most disparate shapes: for example AM 0644-741 (bottom right) has the shape of a ring!…
XMM-Newton • Captures the final screams of the star destroyed by the black hole
In 2019, astronomers using ESA’s XMM-Newton Space Observatory studied a black hole devouring a star and discovered an exceptionally bright…
Perseid meteor shower and other astronomical events in August that you cannot miss
We tell you about the spectacular phenomena that you can see this month. The month of August has arrived and…
The secrets of the Orion nebula revealed by the VISTA telescope
The ESO project has so far identified nearly 800,000 new stars, young “stellar objects” and distant galaxies. The European Southern…
August: ready for the shooting stars?
August has begun: the days of the Perseids are approaching! Shooting stars will begin to be visible from early August…
Understanding the Solar Wind in Our Solar System (Infographic)
The Sun releases a constant stream of particles and magnetic fields called the solar wind. This solar wind strikes worlds…
The geomagnetic field
Earth’s magnetic field, also known as the geomagnetic field, is the magnetic field that extends from the Earth’s interior into…
Did you know? Like planets, asteroids can have their own moons
243 Ida is the second asteroid visited by a spacecraft and the first found to have its own moon. On…
The hydrohermatite suggests the existence of a substantial water reservoir on Mars
The combination of a water-bearing iron ore described in the 19th century and the fact that they are common rocks…