Latest Space News
Thu, 15 Nov 2018 15:03:25 +0000
Leaps in capabilities of commercial constellations of small Earth-observation satellites and the decreasing cost of their services were at the center of a debate about the future of publicly funded Earth-observation missions after Spire CEO Peter Platzer introduced the company’s ambition to become “the Amazon” of space. SpaceNews.com
Thu, 15 Nov 2018 14:06:23 +0000
While everybody is rightly celebrating recent successes in commercial space, some long-term trends are just beginning. It is still early days, and significant growth and new opportunities are just around the corner. SpaceNews.com
Thu, 15 Nov 2018 13:36:09 +0000
It’s no secret the megaconstellations will have a dramatic impact on space traffic. Experts now are turning their attention to ensuring they don’t also create a dangerous spike in orbital debris. SpaceNews.com
Thu, 15 Nov 2018 12:00:52 +0000
Space Tango, a Kentucky startup that develops microgravity research platforms, announced plans Nov. 15 to launch in the mid-2020s an autonomous in-orbit manufacturing facility. SpaceNews.com
Wed, 14 Nov 2018 23:36:34 +0000
With NASA committed to a human return to the moon, Mars exploration advocates say those lunar missions can be useful to achieve their long-term goals, if designed properly. SpaceNews.com
Wed, 14 Nov 2018 23:15:39 +0000
WASHINGTON — Air Force buyers of space systems are cutting red tape and removing layers of oversight to expedite programs, Vice Chief of Staff of the Air Force Gen. Stephen Wilson said on Wednesday. Wilson said the reorganization of the Air Force Space and Missile Systems Center and the establishment of a rapid procurement office […] SpaceNews.com
Wed, 14 Nov 2018 21:12:03 +0000
Senators Jerry Moran (R-Kan.) and Tom Udall (D-N.M.) wrote to FCC Chairman Ajit Pai saying the agency “must consider whether sufficient spectrum will remain available to accommodate today's C-band services,” among other issues. SpaceNews.com
Wed, 14 Nov 2018 19:00:40 +0000
One take-away from last week’s Global MilSatcom conference in London is that the satellite communications industry is giving government buyers more choices than they can handle. SpaceNews.com
Wed, 14 Nov 2018 17:00:45 +0000
Space transportation startup Momentus raised $8.3 million in seed funding for its business of offering satellite operators rides from one orbit to another, the Santa, Clara, California company announced Nov. 14. SpaceNews.com
Wed, 14 Nov 2018 17:00:22 +0000
Geospatial imagery and services provider DigitalGlobe secured a $900 million contract extension from the National Reconnaissance Office to provide commercial imagery until August 2023. SpaceNews.com
Wed, 14 Nov 2018 17:00:17 +0000
Elections have consequences. But exactly what the new power structure in Washington means for the future of the Space Force will not be known for some time. SpaceNews.com
Wed, 14 Nov 2018 14:31:29 +0000
The Army’s interest in small satellites has not wavered. Pentagon contractor Dynetics announced last week it has been selected to develop small satellites for the USASMDC/ARSTRAT under a program named Gunsmoke-L. SpaceNews.com
Wed, 14 Nov 2018 14:07:08 +0000
"The end of the development of Ariane 6 and the need to increase competitiveness in the European rocket launch business compel ArianeGroup to reduce its capacity by the equivalent of 2,300 full-time jobs by 2022," the company said in a statement. SpaceNews.com
Wed, 14 Nov 2018 01:36:05 +0000
Griffin said nothing has yet been decided on how the Space Development Agency should be organized. SpaceNews.com
Tue, 13 Nov 2018 23:50:40 +0000
The smaller crew complement on the International Space Station created by last month’s Soyuz launch abort has not affected research activities there or plans to send new experiments on upcoming cargo missions. SpaceNews.com
Tue, 13 Nov 2018 18:27:05 +0000
The European Space Agency expects to carry out the qualification flight of the Space Rider spaceplane in 2021 followed by multiple demonstration missions before handing over the program to industry, according to Lucia Linares, head of ESA space transportation strategy and policy. SpaceNews.com
Tue, 13 Nov 2018 15:59:42 +0000
China unveiled a heavy-lift launch vehicle it is developing to carry a next-generation crewed spacecraft and power human spaceflight missions beyond low Earth orbit. SpaceNews.com
Tue, 13 Nov 2018 15:49:02 +0000
The European Space Agency plans to launch an Earth observation satellite equipped with an artificially intelligent processor that would enable the spacecraft to make decisions regarding what to image and which data to send to the ground. SpaceNews.com
Tue, 13 Nov 2018 15:00:23 +0000
Rupert Pearce, Inmarsat’s CEO, said Nov. 8 that the company is taking steps to retain customers in its largest market segment, having identified broadband for social use among crews as the missing component of Inmarsat’s maritime service offering. SpaceNews.com
Tue, 13 Nov 2018 12:20:10 +0000
A week after the sudden firing of Roberto Battiston as the head of the Italian Space Agency, the reasons for his ouster remain unclear while a grassroots effort is underway to restore his job. SpaceNews.com
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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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