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We introduce an instrument for a wide spectrum of experiments on gravities other than our planet's. It is based on a large Atwood machine where one of the loads is a bucket equipped with a single board computer and different sensors. The…

Instrumentation and Methods for Astrophysics · Physics 2017-09-13 G. Viera-López , A. Serrano-Muñoz , J. Amigó-Vega , O. Cruzata , E. Altshuler

Current rocket technology can not send the spaceship very far, because the amount of the chemical fuel it can take is limited. We try to use dark matter (DM) as fuel to solve this problem. In this work, we give an example of DM engine using…

Cosmology and Nongalactic Astrophysics · Physics 2009-10-09 Jia Liu

This paper presents a study for the realization of a space mission which employs nanosatellites driven by an external laser source impinging on an optimized lightsail, as a valuable technology to launch swarms of spacecrafts into the Solar…

I discuss the scientific rationale and opportunities in the study of high energy particle accelerators away from the Earth; mostly, those outside the Solar System. I also briefly outline the features to be desired in telescopes used to…

High Energy Astrophysical Phenomena · Physics 2016-09-08 Jonathan Arons

This paper analyzes the suitability of a beamed propulsion concept having properties consistent with the impulse gravity generator described by Podkletnov et al. [physics/0108005]. The use of this propulsion concept for orbital maneuver,…

General Physics · Physics 2007-05-23 Giovanni Modanese , Chris Y. Taylor

The memo is exploring possibilities to set up extraterrestrial experimental facilities to study particles physics. The Moon is considered as the most promising location for artificial particle sources outside the Earth. This natural…

High Energy Physics - Experiment · Physics 2020-02-28 Nikolai Zaitsev

Water has been identified as a critical resource both to sustain human-life but also for use in propulsion, attitude-control, power, thermal and radiation pro-tection systems. Water may be obtained off-world through In-Situ Resource…

Instrumentation and Methods for Astrophysics · Physics 2019-02-12 Jorge Martinez , Jekan Thangavelautham

A new kind of Nuclear rocket engine with very High specific impulse is presented

General Physics · Physics 2010-05-07 G. M Piacentino

Mobile manipulator throwing is a promising method to increase the flexibility and efficiency of dynamic manipulation in factories. Its major challenge is to efficiently plan a feasible throw under a wide set of task specifications. We show…

Robotics · Computer Science 2022-08-05 Yang Liu , Aradhana Nayak , Aude Billard

As an end-member of terrestrial planet formation, Mercury holds unique clues about the original distribution of elements in the earliest stages of solar system development and how planets and exoplanets form and evolve in close proximity to…

There are hints of a novel object ("Planet 9") with a mass $5-10$ $M_\oplus$ in the outer Solar System, at a distance of order 500 AU. If it is a relatively conventional planet, it can be found in telescopic searches. Alternatively, it has…

Earth and Planetary Astrophysics · Physics 2020-05-05 Edward Witten

The minimum-fuel orbital transfer is analyzed in the case of a launcher upper stage using a constantly thrusting engine. The thrust level is assumed to be constant and its value is optimized together with the thrust direction. A closed-loop…

Optimization and Control · Mathematics 2017-04-05 Max Cerf

Highly magnetised rapidly spinning neutron stars are widely considered to be natural sites for acceleration of charged particles. Powerful acceleration mechanism due to unipolar induction is thought to operate in the magnetospheres of…

Astrophysics · Physics 2007-05-23 B. Rudak

Protostellar jets and winds are probably driven magnetocentrifugally from the surface of accretion disks close to the central stellar objects. The exact launching conditions on the disk, such as the distributions of magnetic flux and mass…

Astrophysics · Physics 2009-11-06 Ruben Krasnopolsky , Zhi-Yun Li , Roger D. Blandford

Placing satellites in geostationary obital (GEO) is propellant exigeant. It requires large propellant consumption that will take a large part of the total mass. Hence the interest is reduce the mass of propellant loaded both in the rocket…

Space Physics · Physics 2007-05-23 S. Ng

Conducting levitated mechanical experiments in extreme conditions has long been the aim of researchers, as it allows for the investigation of new fundamental physics phenomena. One of the great frontiers has been sending these experiments…

The first definitely interstellar object 1I/'Oumuamua (previously A/2017 U1) observed in our solar system provides the opportunity to directly study material from other star systems. Can such objects be intercepted? The challenge of…

Issues for transport facilities on the lunar surface related to science, engineering, architecture, and human-factors are discussed. Logistic decisions made in the next decade may be crucial to financial success. In addition to outlining…

Instrumentation and Methods for Astrophysics · Physics 2022-01-05 Paul C. Kainen

The rapid cost growth of flagship space missions has created a crisis for astronomy and planetary science. We have hit the funding wall. For the past 3 decades scientists have not had to think much about how space technology would change…

Instrumentation and Methods for Astrophysics · Physics 2016-08-04 Martin Elvis

Indian Centre for Space Physics is engaged in studying terrestrial and extra-terrestrial high energy phenomena from meteorological balloon borne platforms. A complete payload system with such balloons is at the most about five kilograms of…

Instrumentation and Methods for Astrophysics · Physics 2019-09-12 Debashis Bhowmick , Sandip K. Chakrabarti , Ritabrata Sarkar , Arnab Bhattacharya , A. R. Rao
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