Latest Space News
Sat, 21 May 2022 22:58:27 +0000
NASA is gearing up to perform another practice countdown of the Space Launch System in mid-June as it completes repairs to the vehicle from previous tests. The post NASA plans early June rollout of SLS for next countdown test appeared first on SpaceNews.
Sat, 21 May 2022 01:14:14 +0000
Boeing’s CST-100 Starliner spacecraft successfully docked with the International Space Station May 20, a little more than 24 hours after its launch. The post Starliner docks with ISS for the first time appeared first on SpaceNews.
Fri, 20 May 2022 11:44:09 +0000
Throughout Russia’s invasion and offensive in Ukraine, some of the most compelling images of the war have come from satellites in space operated by private companies. The post On National Security | Drawing lessons from the first ‘commercial space war’ appeared first on SpaceNews.
Fri, 20 May 2022 11:25:37 +0000
Space Perspective has raised an additional $17 million to further development of its stratospheric passenger balloon system that simulates one aspect of spaceflight. The post Space Perspective raises $17 million appeared first on SpaceNews.
Fri, 20 May 2022 08:16:04 +0000
Chinese launch vehicle developer Orienspace has raised $59.9 million in a Series A funding round, which the company says it will use for a first rocket launch and new engine development. The post Chinese launch startup Orienspace raises $59.9 million in Series A round appeared first on SpaceNews.
Thu, 19 May 2022 23:32:27 +0000
Boeing’s CST-100 Starliner spacecraft is on its way to the International Space Station on a critical, long-delayed uncrewed test flight of the commercial crew vehicle. The post Atlas 5 launches Starliner on second uncrewed test flight appeared first on SpaceNews.
Thu, 19 May 2022 22:18:11 +0000
Telesat said May 18 it demonstrated high-speed connectivity in India last month using a four-year-old prototype satellite The post Telesat tests LEO broadband prototype in India appeared first on SpaceNews.
Thu, 19 May 2022 21:42:28 +0000
Inmarsat said May 19 it has successfully tested a mesh network that enables ships to switch from satellite to terrestrial connectivity by using other vessels as stepping stones to land-based signal towers. The post Inmarsat uses ships as stepping stones in mesh network trial appeared first on SpaceNews.
Thu, 19 May 2022 20:44:02 +0000
NASA is seeking informal public input on a set of 50 objectives for its exploration efforts that agency leadership says will go into a broader effort to guide its activities for the next two decades. The post NASA seeks input on human exploration objectives appeared first on SpaceNews.
Thu, 19 May 2022 20:04:19 +0000
What the latest decadal survey portends for NASA's planetary science program. The post Ice giants and icy moons: The planetary science decadal survey looks beyond Mars to the outer solar system appeared first on SpaceNews.
Thu, 19 May 2022 17:47:59 +0000
Lt. Gen. Saltzman said one lesson from the cyber attacks in Ukraine is that the main targets are not the satellites but the ground systems and user equipment The post U.S. Space Force to step up protection of satellite ground systems in the wake of Russia’s cyber attacks appeared first on SpaceNews.
Thu, 19 May 2022 11:45:06 +0000
Boeing’s CST-100 Starliner spacecraft is ready to attempt another uncrewed test flight to the International Space Station, with both the company and the agency expressing confidence in the spacecraft despite past problems. The post NASA and Boeing set for second Starliner test flight appeared first on SpaceNews.
Wed, 18 May 2022 21:47:51 +0000
NASA is continuing to investigate water that leaked into a spacesuit helmet during a spacewalk earlier this year and is holding off on future spacewalks until engineers can resolve the problem. The post NASA puts ISS spacewalks on hold to investigate water leak appeared first on SpaceNews.
Wed, 18 May 2022 18:38:45 +0000
Space Force Lt. Gen. Michael Guetlein said commercial innovation today is "outpacing the demand signal from the government." The post Military buyers challenged to stay up on the latest commercial space innovations appeared first on SpaceNews.
Wed, 18 May 2022 18:20:19 +0000
Ball Aerospace & Technologies Corp. and Raytheon Intelligence & Space will begin developing technologies for the National Oceanic and Atmospheric Administration’s next generation of weather satellites under contracts announced May 17. The post Ball and Raytheon win weather instrument study contracts appeared first on SpaceNews.
Wed, 18 May 2022 15:39:51 +0000
Norway’s Kongsberg Defence & Aerospace has ordered three microsatellites to keep tabs on vessels operating clandestinely in the North Sea. The post Kongsberg orders satellites for Norwegian maritime surveillance appeared first on SpaceNews.
Wed, 18 May 2022 11:42:01 +0000
With Arctic aviation and maritime activity on the rise, Europe and Canada are taking the lead in developing weather satellites to gather global data and improve observation of Earth’s northernmost latitudes. The post Proposed constellations would enhance Arctic weather observations appeared first on SpaceNews.
Wed, 18 May 2022 07:15:54 +0000
NASA’s InSight Mars lander mission will likely conclude by the end of the year as power levels for the spacecraft continue to decline, project officials confirmed May 17. The post NASA confirms impending end for InSight appeared first on SpaceNews.
Tue, 17 May 2022 23:21:21 +0000
The Space Development Agency and its contractors have had to scramble to deal with parts shortages and other supply chain problems that have affected the entire space industry. The post Space Development Agency’s satellite contractors team up to deal with supply shortages appeared first on SpaceNews.
Tue, 17 May 2022 21:09:17 +0000
Two small satellites launched last summer by the Defense Advanced Research Projects Agency successfully established an optical link during a nearly 40-minute test. The post Military experiment demonstrates intersatellite laser communications in low Earth orbit appeared first on SpaceNews.
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  • CV: Research Fellow

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    Personal information
     Name:<withheld>
     Age:<withheld>
     Country:<withheld>
     Location:<withheld>
    Contact information
     Email:<withheld>
     Phone:<withheld>
     Mobile:<withheld>
    Candidate Profile
     Date Submitted:08-07-2012
     Last Modified:09-07-2012 (09:39)
    Job information
     Current job:Research Fellow
     Employment Term:Temp/Contract
     Job location:Anywhere
     Date available:immediately
     Industry:
     KeywordsMSc. Physics, Astrophysics, Mathematics, Acoustics, Vibrations, Programmer
    CV
    PROFILE
     
    Date of birth: 23-05-1985 (Lisboa, Portugal)
     
     
    EDUCATION
     
    . Integrated Master (MSc) in Physics Engineering
    Instituto Superior Técnico, Lisboa, Portugal 2011
    Final mark (second cycle): 16/20
     
    Thesis: Acoustic Black Holes and Superresonant Mechanisms
    Supervisor: Vitor Cardoso
    Thesis mark: 19/20
    Thesis abstract:
    In this work we study an analogue model of gravity, referred to as acoustic black hole, which is based on the propagation of sound waves in supersonic fluids. We show that, considering certain constraints, there is a mathematical correspondence between fluid dynamics and a general relativistic lorentzian manifold.
    We extend the usual analogy of the rotating black hole to the case of a fluid with non-constant density.
    We study the geodesy of the motion of massless scalar fields around the considered analogue space-time, and find the absorption cross-section of the acoustic event horizon in the high frequency limit. We show the existence of superradiance in these analogues, and compute numerically the reflected amplitude of the scatter of a monochromatic wave. We compute numerically the absorption cross-section, finding an excellent agreement with the analytical result in the high frequency limit. Finally, we argue that it may be difficult to implement a fission-like process in the laboratory.
     
    . Università degli Studi di Padova, Padova, Italy 2008-2009
    ERASMUS program
     
    COMPLEMENTARY EDUCATION / OTHER EDUCATION
     
    . Course on Digital Photography (ESN-Padova) 2009
     
    . Centro Linguistico di Ateneo - Università degli Studi di Padova 2008-2009
    Italian course level A1
     
    . Course on Basic Life Support (Nebm/IST) 2007
     
    . EF Education First Language Courses 1999, 2000 and 2001
    Frequented summer schools of english language in England, in the cities of Dauntsey, Brighton and Torquay
     
    . Alliance Française 1996 and 1997
    Basic French course
     
     
     
    CONFERENCES ATTENDED / CONFERENCE PRESENTATIONS
     
    . Planck 2011, Instituto Superior Técnico, Lisboa, Portugal May/June 2011
     
    . Workshop and School on Higher Gauge Theory, TQFT and Quantum Gravity, Instituto Superior Técnico,
    Lisboa, Portugal February 2011
     
    . Black Hole Workshop III, Universidade do Minho, Braga, Portugal December 2010
    Presented a lecture on “Acoustic Black Holes And Superradiant Instabilities”
     
    . ICPS 2010 - International Conference of Physics Students, Graz, Austria August 2010
    Presented a lecture on “Acoustic Black Holes And Superresonant Instabilities”
     
    . Black Hole Workshop II, Instituto Superior Técnico, Lisboa, Portugal December 2009
     
    . PASC (Particle-ph, Astro-ph and Cosmology) Winter School, Sesimbra, Portugal December 2009
     
    . PASC (Particle-ph, Astro-ph and Cosmology) Winter School, Sesimbra, Portugal December 2007
     
     
    LIST OF PUBLICATIONS
     
    . On the dynamical behaviour of worn guitar strings, Miguel Marques, Octávio Inácio, Vincent Debut and José Antunes, to appear on the proceedings of the 19th International Congress on Sound and Vibration, 2012
    . Instability of Reissner-Nordstrom black holes in de Sitter backgrounds, Vitor Cardoso, Madalena Lemos and Miguel Marques, Physical Review D 80, 127502 (2009)
     
     
    WORKING POSITIONS
     
    . Grant for Scientific Initiation, FCT-Portugal, project - PTDC/FIS/103306/2008 “Dynamical analysis and improvements on the Portuguese guitar strings and string-body interaction”, with José Antunes (work currently in progress) 2011-2012
    Summary: In the context of this grant, I’ve developed a mathematical model for the dynamical behaviour of an archtop guitar with twelve strings (six pairs), wich are affected by the guitar frets, locally losing or gaining mass, and developed Matlab codes to obtain the “perturbed” normal modes of both string and
    body, and for dynamical simulations on the time-domain. This work is currently in progress, and one publication in a peer-review journal is expected.
     
    . Grant for Scientific Initiation, FCT-Portugal, project - PDTC/FIS/64175/2006 “Gravitational waves: emission and detection”, with Vitor Cardoso 2009-2010
    Summary: In the context of this grant, I’ve developed most of the work which is part of my master thesis. I’ve searched for superradiant instabilities in acoustic analogies of rotating black holes, and developed Mathematica and Fortran codes to compute scattering amplitudes of a massless scalar field, absorption
    cross-sections and the numerical integration of geodesic paths. I’ve also colaborated in a research were it was found an analytical prove of the existance of instabilities in charged black holes, in a de-Sitter background, for dimensions larger than 6.
     
     
     
    INFORMATIC SKILLS
     
    . Programming
    JAVA, Fortran 95, Mathematica, Matlab, Assembly
    . Text Processing
    LaTeX, Pages, Word
    . Data Processing
    Numbers, Origin, Excel
    . Presentation Software
    Keynote, PowerPoint
    . Operating Systems
    Mac OS, Microsoft Windows OS, Linux Ubuntu
     
     
    HOBBIES, SPORTS AND OTHER INTERESTS
     
    Science Divulgation:
    . Presented a workshop on stellar evolution (aimed to the general public), in the context of activities developed by NFIST (Physics Students Association Of The Instituto Superior Técnico) for the Astronomy International year 2009.
    . Collaborated (during the years between 2005-2008) with NFIST on the annual activity labeled “Physics Week”, which consists in presenting the general public and the high school students with many dozens of basic physics experiments.
    . Collaborated (during the years between 2005-2008) with NFIST on many planetarium public sessions.
    . Collaborated (during the years between 2005-2008) with NFIST on many astronomical observations public sessions.
     
    Sports:
    . Karate, Federated on the Portuguese Karate Federation and affiliated to the Japonese Karate-do Hayashi-Ha Shito-Ryu Kay Association 2000-2008, 2010-...
    . Kobudo, Affiliated to the Okinawa Kobudo Association 2002-2008, 2010-...
    . Swimming 1991-2003
    . Basketball, Federated on the Portuguese Basketball Federation 1996-1998
    . Judo, Federated on the Portuguese Judo Federation 1990-1995
     
    Musical Instruments:
    . Classical Guitar starting year 1999
    Has given classical guitar lessons in 2006-2008 and 2010-...
    Has experience of playing live
    . Electric Guitar starting year 2001
    Has experience of playing live
    . Portuguese Guitar starting year 2007
    Has experience of playing live
    . Saxophone starting year 2009
     
     
    Other activities and hobbies:
    . Moderator of the online “reuse” network Freecycle in Lisboa - www.freecycle.org
    . Amateur digital photography, with personal dSLR camera.

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