esa
Gaia Hit by a Micrometeoroid AND Caught in a Solar Storm
For over ten years, the ESA's Gaia Observatory has monitored the proper motion, luminosity, temperature, and composition of over a…
ESA is Building a Mission to Visit Asteroid Apophis, Joining it for its 2029 Earth Flyby
According to the ESA's Near-Earth Objects Coordination Center (NEOCC), 35,264 known asteroids regularly cross the orbit of Earth and the…
LEGO Bricks Printed out of Space Dust
There have been many proposals for building structures on the Moon out of lunar regolith. But here’s an idea sure…
ESA Sets the Launch Date for Ariane 6: July 9th
The European Space Agency has retired its Ariane 5 rocket, and all eyes are on its next generation, Ariane 6.…
Solar Orbiter Takes a Mind-Boggling Video of the Sun
You've seen the Sun, but you've never seen the Sun like this. This single frame from a video captured by…
Watch a Satellite Reaction Wheel Melt in a Simulated Orbital Re-Entry
Most satellites share the same fate at the end of their lives. Their orbits decay, and eventually, they plunge through…
Phew, De-Icing Euclid’s Instruments Worked. It’s Seeing Better Now
From its vantage point at the Sun-Earth L2 point, the ESA's Euclid spacecraft is measuring the redshift of galaxies with…
Ice is Starting to Cloud Euclid's Optics
On July 1st, 2023, the European Space Agency (ESA) launched the Euclid Observatory, a mission that will spend the next…
An Astronaut Controls a Robotic Dog From Orbit
Swedish astronaut Marcus Wandt took control of a series of robots in Germany while on board the International Space Station,…
The Ice Sheet on Mars is Even Thicker Than Previously Believed
Maybe Mars isn’t as dry as we thought. ESA's Mars Express has revealed new details about a region near Mars’…