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Curiosity is high, a lot has been said and written, but nobody knows what is really happening with the star Betelgeuse. Its luminosity has decreased drastically over the last five months. Now, there is speculation that the star could soon become a supernova – the explosion at the end of a large celestial body's life.
In his logbook, HP3 Instrument Lead Tilman Spohn gives us the latest updates regarding the InSight mission and our HP3 instrument - the 'Mole' - which will hammer into the Martian surface.
Earth observation and artificial intelligence can be used to assist with sustainable development decisions. Earth observation and artificial intelligence can be used to assist with sustainable development decisions.
Can low-cost drones capable of carrying as much weight as a pickup truck be built and operated cost-effectively? An interactive event format brought representatives from industry and humanitarian aid organisations and DLR researchers together to discuss this topic.
No matter how many measurement flights we have already conducted, just before take-off the entire team assembles in front of the hangar and watches HALO's departure together. However, it takes days of planning and preparation to get to this point.
Global change is no secret – neither is the annual TerraSAR-X and TanDEM-X Science Meeting at DLR Oberpfaffenhofen! High-level experts from all over the world presented the latest state of research from 21 to 24 October 2019 and point the way for future technologies in satellite-based remote sensing. Data source and mutual starting point are the two radar satellite missions TerraSAR-X and TanDEM-X.
At last, the airborne observatory SOFIA has returned to Germany! In the early hours of the morning on 16 September, the research aircraft landed safely at Stuttgart airport and was visited by about 2000 astronomy and aircraft enthusiasts over the following two days. On the third day, it took to the skies for its first scientific flight over Europe.
We have a new home. Today, we moved out and moved back in – all at the same address! We proudly present the brand new DLR.de
The first campaign of the Artificial Gravity Bed Rest Study (AGBRESA) is over, the 12 test participants have moved out and all the utensils, beds, equipment and instruments have been checked and stored away. The majority of staff can now enjoy a breather before preparations begin in August for the second campaign, which will start early in the following month.
Participants in AGBRESA are on a long-duration mission to advance our understanding of the effects of spaceflight on the human body. During the AGBRESA mission, our team, Eric Bershad, Karina Marshall-Goebel and others, seek to understand how long-duration exposure to a six-degree head-down tilt, a spaceflight analogue, affects brain and eye health.
HDT 47. Forty-seventh day of bedrest. Another 13 days – and what's left of today. Yesterday I spoke with my wife on the phone. She still can't imagine what would possess a person to volunteer for 60 days in bed without even a pillow. “Do you never feel the urge to get up?” she asks. One of the support staff asked me a similar question just recently. With less than two weeks of bedrest left on the schedule it seems an apt time to answer this question. My summary is simple: it was exactly the way I imagined.
The AGBRESA study is the first to explore using the DLR short-arm human centrifuge as a possible mitigation for the negative effects of weightlessness, which are being simulated by bed rest. This involves eight of the 12 terrestrial astronauts – the AGBRESA bedrest study participants – spinning in the centrifuge for 30 minutes every day. To allow them to experience artificial gravity they adopt a specific position – supine with heads pointed inwards – which exposes their feet to two g (twice Earth gravity) and the centre of gravity of their bodies to one g (Earth gravity). This could become a training method for future long-term missions in space. By the end of their 60 days of bed rest, the participants will have spent 1800 minutes on the centrifuge and will have rotated 54,000 times!
The spaceship hatch is open, so pressure equalisation with the outside world has clearly already taken place. Standing before the :envihab facility in Cologne early on a Monday evening on my way to a special kind of ‘nauts’, namely ‘explornauts’, I feel as if I’m about to enter a space station. While Earth’s astronauts have not come much closer to their goal – the stars (astro-) – explornauts are in a comparatively better position. On the way to new inventions and discoveries, which explorers have always made, one does not always need impressive technology; sometimes a bed inclined down at the head end by six degrees is sufficient.
"Do not disturb – Experiment ongoing!" is the message hanging from the door of participants' rooms during the AGBRESA studies. Often, a concession of scientists and medical staff march in and out of the participants' rooms – which are usually open – to administer various experiments – to transport them via gurney to the experiments in the nearby modules of the aerospace medicine research facility: envihab.
During the AGBRESA study, we are studying the cardiac deconditioning that occurs during space flight. Together with colleagues from the Université Libre de Bruxelles, the German Aerospace Center (DLR) and the Politecnico di Milano, and with the support from the European Space Agency (ESA) and the Belgian Science Policy Office, we are looking at the weakening of the heart, which can lead to an astronaut fainting upon returning to gravity after a long duration spaceflight. This is a big problem for space exploration and requires countermeasures to be implemented during such missions.
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