<p style="text-align:center"></p> <p>ESA’s Sun-watching Proba-2 satellite has been in orbit since November 2009, demonstrating a range of technologies and serving as a platform for scientific observations.</p> <p>The 130-kg satellite carries two solar
<p>This beautiful aurora illuminates the sky over the snow-clad landscape near Tromsø, Norway.</p> <p style="text-align:center" class="small"></p> Bright aurora illuminating the sky over Norway (near Tromsø) on 17 February 2013. Image credit: ESA–S.
<p>ESA’s quartet of satellites studying Earth’s magnetosphere, Cluster, has discovered that our protective magnetic bubble lets the solar wind in under a wider range of conditions than previously believed.</p> <p style="text-align:center"