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Related papers: Measuring the Interplanetary Medium with a Solar S…

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The forces acting on solar Coronal Mass Ejections (CMEs) in the interplanetary medium have been evaluated so far in terms of an empirical drag coefficient $C_{\rm D} \sim 1$ that quantifies the role of the aerodynamic drag experienced by a…

Solar and Stellar Astrophysics · Physics 2015-06-11 Prasad Subramanian , Alejandro Lara , Andrea Borgazzi

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…

We discuss the in-flight autonomous assembly as the means to build advanced planetary science payloads to explore the outer regions of the solar system. These payloads are robotically constructed from modular parts delivered by a group of…

Instrumentation and Methods for Astrophysics · Physics 2024-04-30 Slava G. Turyshev , Henry Helvajian , Louis D. Friedman , Tom Heinsheimer , Darren Garber , Artur Davoyan , Viktor T. Toth

Interstellar radar is a potential intermediate step between passive observation of exoplanets and interstellar exploratory missions. Compared to passive observation, it has the traditional advantages of radar astronomy. It can measure…

Instrumentation and Methods for Astrophysics · Physics 2015-06-12 Louis K. Scheffer

The electric solar wind sail (E-sail) propellantless propulsion device uses long, charged metallic tethers to tap momentum from the solar wind to produce spacecraft propulsion. If flying through planetary or moon eclipse, the long E-sail…

Instrumentation and Methods for Astrophysics · Physics 2015-05-20 Pekka Janhunen , Petri Toivanen

The outer heliosphere is a dynamic region shaped largely by the interaction between the solar wind and the interstellar medium. While interplanetary magnetic field and plasma observations by the Voyager spacecraft have significantly…

Space Physics · Physics 2016-12-07 T. K. Kim , N. V. Pogorelov , G. P. Zank , H. A. Elliott , D. J. McComas

We demonstrate how observations of pulsars can be used to help navigate a spacecraft travelling in the solar system. We make use of archival observations of millisecond pulsars from the Parkes radio telescope in order to demonstrate the…

Instrumentation and Methods for Astrophysics · Physics 2015-06-16 X. P. Deng , G. Hobbs , X. P. You , M. T. Li , M. J. Keith , R. M. Shannon , W. Coles , R. N. Manchester , J. H. Zheng , X. Z. Yu , D. Gao , X. Wu , D. Chen

We investigate the thermal condensation caused by a massive object that passes through the interstellar medium with high velocity, and propose a mechanism for creating a filamentary gaseous object, or interstellar contrail. Our main result…

Astrophysics of Galaxies · Physics 2023-03-15 Kanta Kitajima , Shu-ichiro Inutsuka

This article is devoted to research the application of the spacecraft with a solar sail to support the certain climatic conditions in an area of the Mars surface. Authors propose principles of functioning of the spacecraft, intended to…

Space Physics · Physics 2017-09-19 Miroslav A. Rozhkov , Irina V. Gorbunova , Olga L. Starinova

All known interstellar transportation methods encounter monumental technological or engineering roadblocks, or even rely on speculative unknown science. In particular light of the recent public excitement and ensuing disappointment…

Space Physics · Physics 2019-06-17 Drew Brisbin

After a decade of great progress in understanding gas flow into, out of, and through the Milky Way, we are poised to merge observations with simulations to build a comprehensive picture of the multi-scale magnetized interstellar medium…

In the framework of a strict mathematical approach based on classical theory of elasticity we present an idea of the deployment and stretching of the circular solar sail attached to the inflatable toroidal shell. It is predicted that by…

Space Physics · Physics 2022-10-26 Vladimir Ya. Kezerashvili , Roman Ya. Kezerashvili , Olga L. Starinova

Recent numerical simulations of the interstellar medium driven by energy input from supernovae and stellar winds indicate that HI clouds can be formed by compression in shock waves and colliding turbulent streams without any help from…

Astrophysics · Physics 2007-05-23 Anvar Shukurov

Space exploration is of paramount importance to advancing fundamental science and providing global services, such as navigation and communications. However, today's space missions are hindered by limitations of existing propulsion…

Optics · Physics 2021-07-21 Ho-Ting Tung , Artur Davoyan

The solar gravitational lens (SGL) provides a factor of $10^{11}$ amplification for viewing distant point sources beyond our solar system. As such, it may be used for resolved imaging of extended sources, such as exoplanets, not possible…

Instrumentation and Methods for Astrophysics · Physics 2024-02-14 Louis D. Friedman , Darren Garber , Slava G. Turyshev , Henry Helvajian , Thomas Heinshiemer , John McVey , Artur R. Davoyan

The POLAR Investigation of the Sun (POLARIS) mission uses a combination of a gravity assist and solar sail propulsion to place a spacecraft in a 0.48 AU circular orbit around the Sun with an inclination of 75 degrees with respect to solar…

Space provides unique opportunities to test gravitation. By using an interplanetary spacecraft as a test mass, it is possible to test General Relativity at the Solar System distance scale. This requires to compute accurately the trajectory…

Instrumentation and Detectors · Physics 2014-09-16 Benjamin Lenoir , Bruno Christophe , Serge Reynaud

We scrutinize the light sail scenario of the first interstellar object (ISO) 1I/2017 U1 (`Oumuamua) by making comparisons between physical models and observational constraints. These analyses can be generalized for future surveys of…

Earth and Planetary Astrophysics · Physics 2022-11-16 Wen-Han Zhou , Shang-Fei Liu , Yun Zhang , Douglas N. C. Lin

Recently, we witnessed how the synergy of small satellite technology and solar sailing propulsion enables new missions. Together, small satellites with lightweight instruments and solar sails offer affordable access to deep regions of the…

While it is possible to estimate the dark matter density at the Sun distance from the galactic center, this does not give information on actual dark matter density in the Solar system. There can be considerable local enhancement of dark…

High Energy Physics - Phenomenology · Physics 2024-08-21 Dmitry Budker , Joshua Eby , Marianna S. Safronova , Oleg Tretiak