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"Interstellar"
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Interstellar : beyond time and space : inside Christopher Nolan's sci-fi epic
\"Documents the making of Nolan's latest [film] in ... detail and features interviews with the acclaimed director, along with screenwriter Jonathan Nolan, producer Emma Thomas, and other key members of the production team. Delving into the science and philosophy behind the film, [this book] showcases its ... concept art, including costume designs, storyboards, and other ... preproduction elements. Also featuring interviews with the ... cast, including Matthew McConaughey and Anne Hathaway, [the book] tells the full story of the making of the film, with candid pictures illustrating its elaborate set pieces and reliance on classic special effects techniques\"--Amazon.com.
Book
Low-energy cosmic rays: regulators of the dense interstellar medium
Low-energy cosmic rays (up to the GeV energy domain) play a crucial role in the physics and chemistry of the densest phase of the interstellar medium. Unlike interstellar ionising radiation, they can penetrate large column densities of gas, and reach molecular cloud cores. By maintaining there a small but not negligible gas ionisation fraction, they dictate the coupling between the plasma and the magnetic field, which in turn affects the dynamical evolution of clouds and impacts on the process of star and planet formation. The cosmic-ray ionisation of molecular hydrogen in interstellar clouds also drives the rich interstellar chemistry revealed by observations of spectral lines in a broad region of the electromagnetic spectrum, spanning from the submillimetre to the visual band. Some recent developments in various branches of astrophysics provide us with an unprecedented view on low-energy cosmic rays. Accurate measurements and constraints on the intensity of such particles are now available both for the very local interstellar medium and for distant interstellar clouds. The interpretation of these recent data is currently debated, and the emerging picture calls for a reassessment of the scenario invoked to describe the origin and/or the transport of low-energy cosmic rays in the Galaxy.
Journal Article
The complete Psychotechnic League
World War III has ravaged the globe. Once great nations have been brought to their knees. Now, a new science offers hope for the future: Psychodynamics, the ability to influence government and popular opinion. Led by the Psychotechnic Institute, humanity denounces its violent ways, once and for all. While peace reigns on Earth, humankind ventures out into the Solar System--and to the stars beyond. But soon the cycle of war and destruction begins anew. Publisher.
Book
Inhomogeneity in the Local ISM and Its Relation to the Heliosphere
This paper reviews past research and new studies underway of the local interstellar environment and its changing influence on the heliosphere. The size, shape, and physical properties of the heliosphere outside of the heliopause are determined by the surrounding environment – now the outer region of the Local Interstellar Cloud (LIC). The temperature, turbulence, and velocity vector of neutral atoms and ions in the LIC and other partially ionized interstellar clouds are measured from high-resolution spectra of interstellar absorption lines observed with the STIS instrument on the
HST
. Analysis of such spectra led to a kinematic model with many interstellar clouds defined by velocity vectors derived from radial velocity measurements. This analysis identified fifteen clouds located within about 10 pc of the Sun and their mean temperatures, turbulence, and velocity vectors. With the increasing number of sight lines now being analyzed, we find that temperatures and turbulent velocities have spatial variations within the LIC and other nearby clouds much larger than measurement uncertainties, and that these spatial variations appear to be randomly distributed and can be fit by Gaussians. The inhomogeneous length scale is less than 4,000 AU, a distance that the heliosphere will traverse in less than 600 years. The temperatures and turbulent velocities do not show significant trends with stellar distance or angle from the LIC center. If/when the Sun enters an inter-cloud medium, the physical properties of the future heliosphere will be very different from the present. For the heliosheath and the very local interstellar medium (VLISM) just outside of the heliopause, the total pressures are approximately equal to the gravitational pressure of overlying material in the Galaxy. The internal pressure in the LIC is far below that in the VLISM, but there is an uncertain ram pressure term produced by the flow of the LIC with respect to its environment.
Journal Article
A, B, C : three short novels
Presenting these three novels in this omnibus volume for the first time, along with a new foreword and afterword by the author, A, B, C showcases Delanys masterful storytelling ability and deep devotion to his craft.
Book
A Galactic-scale gas wave in the solar neighbourhood
For the past 150 years, the prevailing view of the local interstellar medium has been based on a peculiarity known as the Gould Belt
1
–
4
, an expanding ring of young stars, gas and dust, tilted about 20 degrees to the Galactic plane. However, the physical relationship between local gas clouds has remained unknown because the accuracy in distance measurements to such clouds is of the same order as, or larger than, their sizes
5
–
7
. With the advent of large photometric surveys
8
and the astrometric survey
9
, this situation has changed
10
. Here we reveal the three-dimensional structure of all local cloud complexes. We find a narrow and coherent 2.7-kiloparsec arrangement of dense gas in the solar neighbourhood that contains many of the clouds thought to be associated with the Gould Belt. This finding is inconsistent with the notion that these clouds are part of a ring, bringing the Gould Belt model into question. The structure comprises the majority of nearby star-forming regions, has an aspect ratio of about 1:20 and contains about three million solar masses of gas. Remarkably, this structure appears to be undulating, and its three-dimensional shape is well described by a damped sinusoidal wave on the plane of the Milky Way with an average period of about 2 kiloparsecs and a maximum amplitude of about 160 parsecs.
The three-dimensional structure of all cloud complexes in the solar neighbourhood is revealed, showing a narrow and coherent 2.7-kpc arrangement of dense gas, in disagreement with the Gould Belt model.
Journal Article
The 100 year starship
So far, our travels into outer space have been limited to the planets and moons surrounding the sun in our own solar system. What would we find if we made it all the way to another star's solar system? Today's astronomers are planning a mission to explore further reaches of space than humans have ever reached. Readers will discover how these bold scientists are working to build faster spaceships and overcome the obstacles that make it difficult for humans to survive in outer space.
Book
Detection of the aromatic molecule benzonitrile ( c -C 6 H 5 CN) in the interstellar medium
Aromatic molecules such as polycyclic aromatic hydrocarbons (PAHs) are known to exist in the interstellar medium owing to their characteristic infrared emission features. However, the infrared emission only indicates the general class of molecule, and identifying which specific molecular species are present is difficult. McGuire et al. used radio astronomy to detect rotational transitions of benzonitrile emitted from a well-known nearby cloud of interstellar gas (see the Perspective by Joblin and Cernicharo). This molecule may be a precursor to more complex PAHs. The identification of benzonitrile sheds light on the composition of aromatic material within the interstellar medium—material that will eventually be incorporated into new stars and planets. Science , this issue p. 202 ; see also p. 156 Radio astronomy is used to identify the aromatic molecule benzonitrile in the interstellar medium. Polycyclic aromatic hydrocarbons and polycyclic aromatic nitrogen heterocycles are thought to be widespread throughout the universe, because these classes of molecules are probably responsible for the unidentified infrared bands, a set of emission features seen in numerous Galactic and extragalactic sources. Despite their expected ubiquity, astronomical identification of specific aromatic molecules has proven elusive. We present the discovery of benzonitrile ( c -C 6 H 5 CN), one of the simplest nitrogen-bearing aromatic molecules, in the interstellar medium. We observed hyperfine-resolved transitions of benzonitrile in emission from the molecular cloud TMC-1. Simple aromatic molecules such as benzonitrile may be precursors for polycyclic aromatic hydrocarbon formation, providing a chemical link to the carriers of the unidentified infrared bands.
Journal Article
Love and mummies
Intergalactic cruiseliner Infinity 8, traveling between the Milky Way and Andromeda, day 15. The ship is immobilized by a cluster of unidentified artifacts and debris the size of an entire solar system. The captain, a Tonn Shèar able to explore several parallel timelines by generating temporal loops, triggers Protocol 8 and summons his best agents to investigate. Each agent will have 8 hours to explore the structure in a separate parallel time loop to hopefully discover its origin. First up: agent Yoko Keren, who uncovers a nest of out-of-control necrophages, a plot to destroy the ship, and a story of impossible love with octopus breath.
Book
Interstellar Mapping and Acceleration Probe (IMAP): A New NASA Mission
The Interstellar Mapping and Acceleration Probe (IMAP) is a revolutionary mission that simultaneously investigates two of the most important overarching issues in Heliophysics today: the acceleration of energetic particles and interaction of the solar wind with the local interstellar medium. While seemingly disparate, these are intimately coupled because particles accelerated in the inner heliosphere play critical roles in the outer heliospheric interaction. Selected by NASA in 2018, IMAP is planned to launch in 2024. The IMAP spacecraft is a simple sun-pointed spinner in orbit about the Sun-Earth L1 point. IMAP's ten instruments provide a complete and synergistic set of observations to simultaneously dissect the particle injection and acceleration processes at 1 AU while remotely probing the global heliospheric interaction and its response to particle populations generated by these processes. In situ at 1 AU, IMAP provides detailed observations of solar wind electrons and ions; suprathermal, pickup, and energetic ions; and the interplanetary magnetic field. For the outer heliosphere interaction, IMAP provides advanced global observations of the remote plasma and energetic ions over a broad energy range via energetic neutral atom imaging, and precise observations of interstellar neutral atoms penetrating the heliosphere. Complementary observations of interstellar dust and the ultraviolet glow of interstellar neutrals further deepen the physical understanding from IMAP. IMAP also continuously broadcasts vital real-time space weather observations. Finally, IMAP engages the broader Heliophysics community through a variety of innovative opportunities. This papersummarizes the IMAP mission at the start of Phase A development.
Journal Article