This Sunday morning (15th January) at 10.12 am GMT a capsule containing dust from Comet Wild 2 will return to Earth landing in the Utah Desert near Salt Lake City. The landing of the capsule marks the return of NASA’s Stardust mission which has been on a three billion-mile trip to collect pristine cometary material and interstellar dust. After their collection samples will be distributed to a limited number of specialist research teams. Four UK institutions have been invited to be part of these Preliminary Examination Teams: scientists from the Open University, the Natural History Museum, Imperial College and the University of Kent will be hoping that the material provides a key to unlock some of the secrets of the Solar System.
Professor Keith Mason, Chief Executive Officer of the Particle Physics and Astronomy Research Council (PPARC), which part funded the UK involvement in Stardust, said, “The return of the samples from Stardust is a truly remarkable feat. It will be the first time in the history of space exploration that samples from a comet and from interstellar space will be returned to Earth. It is particularly exciting that scientists from the UK will be some of the first to analyse the samples – helping to further our understanding of the origins of the Solar System.”
Following its launch in February 1999 Stardust made its brief but dramatic encounter with Comet Wild 2 (pronounced Vilt after its Swiss discoverer) on 2nd January 2004 capturing thousands of particles as it came within 146 miles of the comet. Remarkably, it survived the high speed impact of millions of dust particles and small rocks of up to half a centimetre across (Stardust passed Comet Wild 2 at 13,000 mph – over 6 times faster than a speeding bullet). Stardust’s tennis racket shaped collector captured thousands of these comet particles into cells filled with Aerogel - a substance so light it almost floats in air.
Tracing aromatic molecules in the early universe
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New study maps space dust in 3-D
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Astronomers from Bonn and Tautenburg in Thuringia (Germany) used the 100-m radio telescope at Effelsberg to observe several galaxy clusters. At the edges of these large accumulations of dark matter, stellar systems (galaxies), hot gas, and charged particles, they found magnetic fields that are exceptionally ordered over distances of many million light years. This makes them the most extended magnetic fields in the universe known so far.
The results will be published on March 22 in the journal „Astronomy & Astrophysics“.
Galaxy clusters are the largest gravitationally bound structures in the universe. With a typical extent of about 10 million light years, i.e. 100 times the...
Researchers at the Goethe University Frankfurt, together with partners from the University of Tübingen in Germany and Queen Mary University as well as Francis Crick Institute from London (UK) have developed a novel technology to decipher the secret ubiquitin code.
Ubiquitin is a small protein that can be linked to other cellular proteins, thereby controlling and modulating their functions. The attachment occurs in many...
In the eternal search for next generation high-efficiency solar cells and LEDs, scientists at Los Alamos National Laboratory and their partners are creating...
Silicon nanosheets are thin, two-dimensional layers with exceptional optoelectronic properties very similar to those of graphene. Albeit, the nanosheets are less stable. Now researchers at the Technical University of Munich (TUM) have, for the first time ever, produced a composite material combining silicon nanosheets and a polymer that is both UV-resistant and easy to process. This brings the scientists a significant step closer to industrial applications like flexible displays and photosensors.
Silicon nanosheets are thin, two-dimensional layers with exceptional optoelectronic properties very similar to those of graphene. Albeit, the nanosheets are...
Enzymes behave differently in a test tube compared with the molecular scrum of a living cell. Chemists from the University of Basel have now been able to simulate these confined natural conditions in artificial vesicles for the first time. As reported in the academic journal Small, the results are offering better insight into the development of nanoreactors and artificial organelles.
Enzymes behave differently in a test tube compared with the molecular scrum of a living cell. Chemists from the University of Basel have now been able to...
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