Guide stars found as Euclid’s navigation fine tuned

Guide stars found as Euclid’s navigation fine tuned

Science & Exploration 05/10/2023 4217 views 36 likes In brief Euclid has found its ‘lost’ guide stars as a software patch has solved its navigation woes and the next six years of observation schedules have been redesigned to avoid stray sunlight: it’s the end of...
Which exoplanets could host life?

Which exoplanets could host life?

This artist’s impression of Gliese 581 planetary system, which is 20.5 light years away from Earth and hosts four planets, all larger than Earth. Credit: ESO/L. Calçada I remember well the thunderous moment in 1992 when astronomers discovered the first planet outside...
Watch OSIRIS-REx Release its Sample Capsule

Watch OSIRIS-REx Release its Sample Capsule

Most of the spacecraft we send out into the Solar System are never meant to return. Time, space, and entropy overtake them, or else they’re purposely sent crashing to their doom at the end of their missions. But not OSIRIS-REx. Its mission was only a success when it...
Ozone hole goes large again

Ozone hole goes large again

Applications 04/10/2023 1651 views 31 likes Measurements from the Copernicus Sentinel-5P satellite show that this year’s ozone hole over Antarctica is one of the biggest on record. The hole, which is what scientists call an ‘ozone depleting area,’ reached a size of 26...