GOES-U, the fourth and final satellite in NOAA's GOES-R Series of advanced geostationary satellites, recently completed rigorous testing to ensure it can withstand the harsh conditions of launch and orbiting in space 22,236 ...
Space Exploration
Sep 15, 2023
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The Psyche mission is speeding toward its Oct. 5 launch date, preparing for the last of its launch-preparation milestones.
Space Exploration
Aug 3, 2023
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Engineers and technicians at Cape Canaveral are preparing the Psyche spacecraft for liftoff, which is slated for Oct. 5.
Space Exploration
Jul 18, 2023
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A few weeks ago, a team of scientists from Caltech announced that they had successfully transmitted energy from an orbiting satellite down to Earth. It wasn't a lot of energy, but it showed that it was possible.
Planetary Sciences
Jul 10, 2023
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Using a design inspired by one of the ocean's best sailors, a team of scientists at the Johns Hopkins Applied Physics Laboratory is developing a low-cost sensor for ocean observations. The sensors are modeled after Velella ...
Ecology
Jun 22, 2023
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Currently about halfway through the Euclid simulations campaign, the key focus in the Main Control Room is the Launch and Early Orbit Phase (LEOP) and spacecraft commissioning.
Space Exploration
Jun 6, 2023
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The first instrument to directly measure gravity on the surface of an asteroid has undergone testing in ESA's Mechanical Systems Laboratory.
Space Exploration
May 22, 2023
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GOES-U, the fourth and final satellite in NOAA's GOES-R Series, recently completed a successful test deployment of its solar array to ensure it will function properly in space.
Space Exploration
May 4, 2023
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Preparing the Juice mission to Jupiter has involved testing for all kinds of contingencies, down to the smallest of scales. This microscopic view shows surface damage to a tiny silver interconnector after being exposed to ...
Space Exploration
Apr 5, 2023
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Using the Atacama Large Millimeter/submillimeter Array (ALMA), an international team of astronomers has performed high-resolution observations of an M-dwarf star known as 2MASS J04124068+2438157. Results of the observational ...
A photovoltaic array is a linked collection of photovoltaic modules, which are in turn made of multiple interconnected solar cells. The cells convert solar energy into direct current electricity via the photovoltaic effect. The power that one module can produce is seldom enough to meet requirements of a home or a business, so the modules are linked together to form an array. Most PV arrays use an inverter to convert the DC power produced by the modules into alternating current that can plug into the existing infrastructure to power lights, motors, and other loads. The modules in a PV array are usually first connected in series to obtain the desired voltage; the individual strings are then connected in parallel to allow the system to produce more current. Solar arrays are typically measured by the peak electrical power they produce, in watts, kilowatts, or even megawatts.
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