
Copernical Team
Europe space telescope's sight restored after de-icing procedure

The vision of the Euclid space telescope has been restored following a delicate operation that successfully melted a thin layer of ice that had been clouding its sight, the European Space Agency announced on Tuesday.
There had been fears that the creeping ice could delay the mission of Europe's space telescope, which blasted off in July on the world's first mission to investigate the cosmic mysteries of dark matter and dark energy.
However a de-icing procedure to gently warm up an optimal mirror on the telescope "performed significantly better than hoped", the ESA said.
"After the very first mirror was warmed by just 34 degrees, Euclid's sight was restored," it added.
In November, scientists on the ground noticed that they were losing a little light coming into the telescope's visible light imager.
They determined that the problem was a layer of ice—thought to be just the width of a strand of DNA—building up on the telescope's optical surfaces.
Best geologic map for a European rover on Mars

A team of European scientists have published the most detailed geologic map of Oxia Planum – the landing site for ESA’s Rosalind Franklin rover on Mars. This thorough look at the geography and geological history of the area will help the rover scout the once water-rich terrain, in the search for signs of past and present life.
Marvel at stunning echo of 800-year-old explosion

In the year 1181 a rare supernova explosion appeared in the night sky, staying visible for 185 consecutive days. Historical records show that the supernova looked like a temporary ‘star’ in the constellation Cassiopeia shining as bright as Saturn.
Ever since, scientists have tried to find the supernova’s remnant. At first it was thought that this could be the nebula around the pulsar (dead star) 3C 58. However closer investigations revealed that the pulsar is older than supernova 1181.
In the last decade, another contender was discovered; Pa 30 is a nearly circular nebula with a central star in
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