Latest Space News
Thu, 23 Mar 2017 08:36:00 +0100
Designers of future Moon missions and bases have to contend with a chilling challenge: how might their creations endure the fortnight-long lunar night? ESA has arrived at a low-cost way of surviving. During prolonged night, when the surface is lit only by blue Earthlight, temperatures dip below -170C. Some locations at higher latitudes have shorter nights, though others have much longer or even permanent darkness. Numerous robotic missions have perished during this prolonged cold. Russia'...
Wed, 22 Mar 2017 19:19:00 +0100
Consider that the Earth is just a giant cosmic dust bunny-a big bundle of debris amassed from exploded stars. We Earthlings are essentially just little clumps of stardust, too, albeit with very complex chemistry. And because outer space is a very dusty place, that makes things very difficult for astronomers and astrophysicists who are trying to peer farther across the universe or deep into the center of our own galaxy to learn more about their structure, formation and evolution. Buildi...
Wed, 22 Mar 2017 15:00:00 +0100
From its final orbit location 22,000 miles above the equator, the third Lockheed Martin-built (NYSE: LMT) Space Based Infrared System (SBIRS) satellite recently sent its first images back down to Earth, a milestone known as "first light."   The satellite was launched on Jan. 20 aboard a United Launch Alliance Atlas V rocket and is the third in a series of Geosynchronous Earth Orbit (GEO) satellites that the U.S. Air Force uses to provide faster and more accurate missile ...
Wed, 22 Mar 2017 14:47:00 +0100
Space Situational Awareness remains a key priority for armed forces capable of operating above the Earth. Space is now extremely contested, congested and competitive as more and more countries and organisation gain access to space technology. However, high amounts of orbiting traffic is not the only threat; space weather, debris and ground based electronic and cyber threats could also have a massive impact on our operations by disrupting satellite activity and therefore military ability on the...
Wed, 22 Mar 2017 08:33:00 +0100
Arianespace’s second Ariane 5 launch of 2017 has been rescheduled for March 23, as continuation of the social movement in French Guiana has prevented today’s transfer of the heavy-lift vehicle to its ELA-3 launch zone. If the situation permits, the mission – designated Flight VA236 in Arianespace’s numbering system – will lift off on March 23 as early as possible within the following window: Between 4:31 p.m. and 7:20 p.m., Washington D.C. time Between ...
Tue, 21 Mar 2017 15:30:00 +0100
Rosetta scientists have made the first compelling link between an outburst of dust and gas and the collapse of a prominent cliff, which also exposed the pristine, icy interior of the comet. Sudden and short-lived outbursts were observed frequently during Rosetta's two-year mission at Comet 67P/Churyumov-Gerasimenko. Although their exact trigger has been much debated, the outbursts seem to point back to the collapse of weak, eroded surfaces, with the sudden exposure and heating of volatile m...
Tue, 21 Mar 2017 10:00:00 +0100
ESA's Swarm satellites are seeing fine details in one of the most difficult layers of Earth's magnetic field to unpick - as well as our planet's magnetic history imprinted on Earth's crust. Earth's magnetic field can be thought of as a huge cocoon, protecting us from cosmic radiation and charged particles that bombard our planet in solar wind. Without it, life as we know it would not exist. Most of the field is generated at depths greater than 3000 km by the movement of molten iron in ...
Mon, 20 Mar 2017 22:21:00 +0100
Teledyne Technologies Incorporated (NYSE:TDY) announced today that its subsidiary, Teledyne Scientific & Imaging, LLC (TS&I), was awarded a $9.98 million contract from the French Space Agency, the Centre National d'Etudes Spatiales (CNES), to provide infrared detectors and electronics for the European Space Agency (ESA) JUICE mission to Jupiter. JUICE is expected to launch in 2022 and reach Jupiter in 2030 to undertake a three and a half year study of Jupiter and three of its moons: Callisto, Ga...
Mon, 20 Mar 2017 15:57:00 +0100
Serionix, a startup fundamentally changing the way we look at air, received a $750,000 contract from NASA to fund continued development of filters to remove toxic gases from next-generation spacesuit life support systems. The same technology is on its way into consumer products expected to launch within the year. Poor indoor air quality is widely associated with significant negative health impacts; however, as awareness of this connection increases, Serionix is committed to making air fresher...
Mon, 20 Mar 2017 13:02:00 +0100
Orbital ATK (NYSE:OA), a global leader in aerospace and defense technologies, provided propulsion, composite and spacecraft technologies to enable the successful launch of both the United Launch Alliance (ULA) Delta IV rocket and the ninth Wideband Global SATCOM (WGS-9) satellite that was launched yesterday from Cape Canaveral Air Force Station, Florida. "Orbital ATK's is proud to contribute a number of key technologies to ULA's Delta IV launch vehicle," said Scott Lehr, President of Orbital ...
Mon, 20 Mar 2017 09:01:00 +0100
Arianespace’s dual-payload mission to orbit telecommunications satellites for Brazil and South Korea has been given the go-ahead for a March 21 liftoff from the Spaceport in French Guiana, carrying the SGDC and KOREASAT-7 relay platforms. The approval came at the completion of today’s Launch Readiness Review, which confirmed the “go” status of Ariane 5, its two payloads, the Spaceport launch infrastructure and the network of flight trajectory tracking stations. Th...
Sun, 19 Mar 2017 02:45:00 +0100
A United Launch Alliance (ULA) Delta IV rocket carrying the ninth Wideband Global SATCOM (WGS-9) satellite for the United States Air Force lifted off from Space Launch Complex-37 on March 18 at 8:18 p.m. EDT. "This launch commemorates the 70th anniversary of the USAF." said Laura Maginnis, ULA vice president of Government Satellite Launch. "We are absolutely honored to play a role in this important milestone, while safely delivering WGS-9 to orbit." This mission was launched aboard a Delta...
Sun, 19 Mar 2017 02:42:00 +0100
Boeing’s [NYSE: BA] ninth Wideband Global SATCOM (WGS) satellite launched into orbit today and will provide the United States and six allied nations with increased communications capabilities to prevent, protect against and respond to attacks. The WGS-9 satellite was funded through an agreement between the United States and Canada, Denmark, Luxembourg, the Netherlands and New Zealand, and will also serve Australia (which funded the WGS-6 satellite). Each partner country gains access t...
Fri, 17 Mar 2017 11:14:00 +0100
ESA astronaut Thomas Pesquet will make two more spacewalks under NASA's plans to maintain the International Space Station during his mission. Though intended for the end of March and April, the dates may change because the sorties require equipment yet to be launched on a Cygnus supply vessel. The first will see Thomas and NASA astronaut Shane Kimbrough head outside to install a new computer, work on the electrical power distribution system, and disconnect a docking adapter to allow its mo...
Thu, 16 Mar 2017 15:00:00 +0100
Demanding electric, magnetic and power requirements, harsh radiation, and strict planetary protection rules are some of the critical issues that had to be tackled in order to move ESA's Jupiter Icy Moons Explorer - Juice - from the drawing board and into construction. Scheduled for launch in 2022, with arrival in the Jovian system in 2029, Juice will spend three-and-a-half years examining the giant planet's turbulent atmosphere, enormous magnetosphere, its set of tenuous dark rings and its sa...
Thu, 16 Mar 2017 11:00:00 +0100
The ExoMars Trace Gas Orbiter has completed another set of important science calibration tests before a year of aerobraking gets underway. The mission was launched a year ago this week, and has been orbiting the Red Planet since 19 October. During two dedicated orbits in late November, the science instruments made their first calibration measurements since arriving at Mars. The latest tests were carried out 5-7 March from a different orbit, and included checking procedures associated with ...
Thu, 16 Mar 2017 08:28:00 +0100
French Guiana has welcomed another payload for Arianespace’s fast-paced mission schedule in 2017 with yesterday's arrival of SES-15 – the first hybrid satellite for SES, which will be launched in April by a medium-lift Soyuz. SES-15 was delivered by a cargo jetliner that landed at Félix Eboué Airport near Cayenne. After unloading in its protective shipping container, the satellite was readied for transfer by road to the Spaceport. Designed and manufactured b...
Thu, 16 Mar 2017 08:17:00 +0100
Cobham's products and services contributed to the recent successful orbital deployment of Iridium NEXT satellites. Cobham's antennas, motion control solutions, and RadHard microelectronics enable various Iridium NEXT systems. Iridium NEXT is the company's next-generation satellite constellation which replaces and enhances Iridium's existing network of low-Earth orbit satellites. "Cobham Advanced Electronic Solutions is proud to contribute to the next generation of commercial telecommunication...
Wed, 15 Mar 2017 19:00:00 +0100
New observations indicate that massive, star-forming galaxies during the peak epoch of galaxy formation, 10 billion years ago, were dominated by baryonic or "normal" matter. This is in stark contrast to present-day galaxies, where the effects of mysterious dark matter seem to be much greater. This surprising result was obtained using ESO's Very Large Telescope and suggests that dark matter was less influential in the early Universe than it is today. The research is presented in four papers, one ...
Wed, 15 Mar 2017 15:36:00 +0100
Just over a week after being lofted into orbit, the European Union's Sentinel-2B satellite delivered its first images of Earth, offering a glimpse of the 'colour vision' it will provide for the Copernicus environmental monitoring programme. With a swath width of 290 km, the satellite's first acquisition began over the Baltic Sea and made a strip-like observation through eastern Europe, ending in northern Libya. The data were relayed in real time to the Matera ground station in Italy, where...
More space news...
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  • CV: Independent astrophysics researcher

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    Personal information
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    Candidate Profile
     Date Submitted:08-12-2016
     Last Modified:08-12-2016 (05:31)
    Job information
     Current job:Independent astrophysics researcher
     Employment Term:Either
     Job location:US only
     Date available:within 2 months
     Industry:
     KeywordsAstrophysicist researcher
    CV

    Summary


    Research scientist with 4 years experience as a professional theoretical astrophysicist. Skilled at independent research involving novel lines of inquiry and technical writing.

     

    Work Experience


    Postdoctoral Member

    Institute for Advanced Study – Princeton, NJ

    September 2014 – September 2015

    Wrote and published peer-reviewed scientific papers on independent scientific research

    Presented research talks throughout the USA


    Jansky Fellow

    National Radio Astronomy Observatory – Princeton, NJ

    September 2011 – August 2014

    Wrote and published peer-reviewed scientific papers on independent scientific research

    Presented research talks at international scientific conferences in the USA, Europe, and Japan

     

    Projects


    Cosmic rays in star-forming galaxies

    Cosmic rays and magnetic fields shape space weather. My primary work in astronomy is understanding the “space climate” of galaxies: how cosmic rays and magnetic fields interact with matter and starlight in the space between stars and regulate star formation. I constrained the properties of cosmic rays in other galaxies and in distant regions of the Milky Way from radio and gamma-ray emission. I concluded that interstellar plasma turbulence controls their magnetic fields.

    Example Papers

    “The Physics of the FIR-Radio Correlation: I. Calorimetry, Conspiracy, and Implications” (2011) by Lacki et al. in The Astrophysical Journal volume 717, pg. 1-28

    “The Star-Forming Galaxy Contribution to the Cosmic MeV and GeV Gamma-Ray Background” (2014) by Lacki et al. in The Astrophysical Journal volume 786, article 40

    “The Fermi Bubbles as Starburst Wind Termination Shocks” (2014) by Lacki in The Monthly Notices of the Royal Astronomical Society Letters volume 444, pg. L39-L43

    Sturm und Drang: Supernova-Driven Turbulence, Magnetic Fields, and Cosmic Rays in the Chaotic Starburst Interstellar Medium” (2013) by Lacki at arXiv:1308.5232

     

    Cherenkov telescopes for visible light remote sensing

    The highest energy gamma-rays are observed using Cherenkov telescopes stationed on the ground. These are giant telescopes (up to 10 meters in aperture) that detect the <1 ms long flash of light emitted when gamma-rays hit the upper atmosphere. They collect enormous amounts of light – comparable to the largest normal telescopes – but have poor angular resolution. I showed that these instruments are excellent for making measurements of bright astronomical sources, and calculated signal-to-noise ratios for photometric, spectroscopic, and polarimetric observations. I also demonstrated how they could be used for remote sensing of objects in the Kuiper Belt, using Fisher matrices and Bayesian models. The use of Cherenkov telescopes as receivers for optical laser communications has been proposed.

    Papers

    “Cherenkov Telescopes as Optical Telescopes for Bright Sources: Today's Specialised Thirty Metre Telescopes?” (2011) by Lacki in The Monthly Notices of the Royal Astronomical Society volume 416, pg. 3075-3082

    “On the Use of Cherenkov Telescopes for Outer Solar System Body Occultations” (2014) by Lacki in The Monthly Notices of the Royal Astronomical Society volume 445, pg. 1858-1877

     

    Generalized interferometry

    Standard interferometry applies the Fourier transform of electric field measurements to reconstruct the direction that radio waves are coming from. I have shown how interferometry could be generalized with other transforms. The entire class of Linear Canonical Transforms allows one to instantiate a linear optical system digitally. Of special importance is the Fractional Fourier Transform, which allows an interferometer to focus on nearby sources rather than at infinity, an important consideration for satellites in low Earth orbit. I also noted that the signal can be decomposed in time with non-Fourier transforms, which could prove useful for brief radio pulses.

    Paper

    “Arbitrary Transform Telescopes: The Generalization of Interferometry” (2015) by Lacki at arXiv:1501.07309

     

    New methods in SETI

    The viability of space travel is directly related to the Search for Extraterrestrial Intelligence (SETI) by Fermi’s Paradox. As an independent researcher, I have explored the feasibility of “cosmic engineering” enabled by interstellar travel. I demonstrated that it is possible to collect starlight very efficiently on planetary, stellar, and galactic scales using smart dust fashioned into resonant dipole antennas. The lack of such engineering strengthens Fermi’s Paradox. Other work includes the feasibility of cosmic-scale particle accelerators, Bayesian estimates for the rate that intelligence evolves on planets, and the commonality of the mysterious “Boyajian’s Star” phenomenon.

    Papers

    “SETI at Planck Energy: When Particle Physicists Become Cosmic Engineers” (2015) by Lacki at arXiv:1503.01509

    “Type III Societies (Apparently) Do Not Exist” (2016) by Lacki at arXiv:1604.07844

    “The Log-Log Prior for the Frequency of Extraterrestrial Intelligences” (2016) by Lacki at arXiv:1609.05931

    “The High Rate of the Boyajian's Star Anomaly as a Phenomenon” (2016) by Lacki at arXiv:1610.03219

     

    Technical Skills


    Programming languages: C (including GNU Scientific Library), Perl, Bourne shell scripts

    Operating systems: Windows, Linux

    Additional software: Microsoft Word, Excel, and PowerPoint; LaTeX typesetting; gnuplot

    Photometric and spectroscopic data reduction


    Education


    Ph. D. in Astronomy from Ohio State University (July 2011)

    Thesis: “Cosmic Rays in Star-Forming Galaxies” (adviser: Professor Todd A. Thompson)
     

    B. S. in Astronomy & Astrophysics and in Physics from Pennsylvania State University (June 2006)


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