Private space exploration and its implications

La recherche spatiale privée et ses implications

IN SHORT Role of private companies in the transformation of the space industry Emergence of New Space and its impact on research Scientific ethics in the face of privatization Importance of technological advancements in space exploration Billionaires and their influence on space missions Space conquest and associated political issues Interaction between the private sector and … Read more

Plasma physics in space

La physique des plasmas dans l’espace

IN BRIEF State of matter: Plasma, the fourth state after solid, liquid, and gaseous. Composition: Composed of electrons, ions, and neutral gases. Examples: Present in the sun and other stellar environments. Measurements: Conducted by space probes to study the dynamics of plasmas. Applications: Research in astrophysics and high-temperature plasma physics. Interactions: Influenced by external forces … Read more

Magnetic fields in space: observation and role

Les champs magnétiques dans l'espace : observation et rôle

IN BRIEF Galactic magnetic fields: possibility of accelerating cosmic rays. Interplanetary magnetic field: values between 10−10 and 10−8 T. Impact of solar wind on the magnetic field. Cosmic magnetic fields influence the structure of stars and galaxies. Variations in the magnetic field of stars: information about their geometry. Study of magnetic fields is crucial for … Read more

Satellites and Orbital Physics: Understanding Space

Les satellites et la physique orbitale : comprendre l'espace

IN BRIEF Orbital mechanics: study of the movements of objects in space. Satellite orbits: relationship between altitude and duration of presence in orbit. Kepler’s laws: foundations of observed planetary movements. Artificial satellite: human-made object orbiting a celestial body. Trajectories: key concept in spatial mechanics for calculating orbits. Types of satellites: varieties ranging from weather to … Read more