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    CubeSats tagged posts

    Tiny satellites could be ‘Guide Stars’ for huge next-generation Telescopes

    January 6, 2019, Categories  Astronomy/Space

    In the coming decades, massive segmented space telescopes may be launched to peer even closer in on far-out exoplanets and their atmospheres. To keep these mega-scopes stable, MIT researchers say that small satellites can follow along, and act as “guide stars,” by pointing a laser back at a telescope to calibrate the system, to produce better, more accurate images of distant worlds. In the coming decades, massive segmented space telescopes may be launched to peer even closer in on far-out exoplanets and their atmospheres. To keep these mega-scopes stable, MIT researchers say that small satellites can follow along, and act as “guide stars,” by pointing a laser back at a telescope to calibrate the system, to produce better, more accurate images of distant worlds.
    Credit: Christine D...
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    NASA’s First Image of Mars from a CubeSat

    October 23, 2018, Categories  Astronomy/Space

    One of NASA's twin MarCO spacecraft took this image of Mars on October 2 -- the first time a CubeSat, a kind of low-cost, briefcase-sized spacecraft -- has done so. Credit: NASA/JPL-Caltech

    One of NASA’s twin MarCO spacecraft took this image of Mars on October 2 — the first time a CubeSat, a kind of low-cost, briefcase-sized spacecraft — has done so.
    Credit: NASA/JPL-Caltech

    NASA’s MarCO mission was designed to find out if briefcase-sized spacecraft called CubeSats could survive the journey to deep space. Now, MarCO – which stands for Mars Cube One – has Mars in sight. One of the twin MarCO CubeSats snapped this image of Mars on Oct. 3 – the first image of the Red Planet ever produced by this class of tiny, low-cost spacecraft. The two CubeSats are officially called MarCO-A and MarCO-B but nicknamed “EVE” and “Wall-E” by their engineering team.

    A wide-angle camera on top of MarCO-B produced the image as a test of exposure settings...

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    New CubeSat Propulsion System uses Water as Propellant

    August 9, 2017, Categories  Astronomy/Space, Physics, Technology/Electronics

    Purdue University graduate student Katherine Fowee and postdoctoral research associate Anthony Cofer work on a new micropropulsion system for miniature satellites called CubeSats. Credit: Purdue University photo/Erin Easterling

    Purdue University graduate student Katherine Fowee and postdoctoral research associate Anthony Cofer work on a new micropropulsion system for miniature satellites called CubeSats. Credit: Purdue University photo/Erin Easterling

    A new type of micropropulsion system for miniature satellites called CubeSats uses an innovative design of tiny nozzles that release precise bursts of water vapor to maneuver the spacecraft. Low-cost “microsatellites” and “nanosatellites” far smaller than conventional spacecraft, have become increasingly prevalent. Thousands of the miniature satellites might be launched to perform a variety of tasks, from high-resolution imaging and internet services, to disaster response, environmental monitoring and military surveillance...

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    A Box of ‘Black Magic’ to Study Earth from Space

    November 8, 2016, Categories  Astronomy/Space

    A box of 'black magic' to study Earth from space

    RainCube, due to fly in 2017, forced JPL’s engineers to get creative in order to squeeze an antenna into a CubeSat. Credit: Tyvak/Jonathan Sauder/NASA/JPL-Caltech Read more at: http://phys.org/news/2016-11-black-magic-earth-space.html#jCp

    Black magic. That’s what radiofrequency engineers call the mysterious forces guiding communications over the air. These forces involve complex physics and are difficult enough to master on Earth. They only get more baffling when you’re beaming signals into space.Until now, the shape of choice for casting this “magic” has been the parabolic dish. The bigger the antenna dish, the better it is at “catching” or transmitting signals from far away. But CubeSats are changing that...

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