SAT Sciences Naturelles - Astronomie et sciences aérospatiales

a scientist who studies or observes planets, stars, and other happenings in the universe

astronome

a scientist who studies the physical properties and phenomena of celestial objects and the universe as a whole

astrophysicien

a device that simulates the motion and appearance of celestial objects such as planets, stars, and galaxies, typically using projectors and optical systems to depict the solar system and universe

planétarium

a building where scientists observe stars, meteors, the weather, etc. using equipment such as telescope

observatoire

related to or occurring in the sky or outer space

céleste

any of the rocky bodies orbiting the sun, ranging greatly in diameter, also found in large numbers between Jupiter and Mars

astéroïde

a piece of rock or metal from space that has hit the surface of the earth

météorite

an exploding star that as a result is emitting a very large amount of light, more than the sun

supernova

a specific group of stars that form a pattern and have a name related to their shape

constellation

an object in space that is a mass of ice and dust and when it nears the sun it starts illuminating in the shape of a tail

comète

a small, dense, and faint stellar remnant that is left after a medium-sized star exhausts the nuclear fuel in its core and undergoes gravitational collapse

nain blanc

a planet that is outside the solar system

exoplanète

a region in the solar system located between the orbits of Mars and Jupiter, populated by numerous small celestial bodies called asteroids

ceinture d'astéroïdes

to move around a star, planet, or a large object in space

orbiter

the motion of one celestial body around another in a fixed path or orbi

révolution

the process by which the surface of an object, such as a comet or an asteroid, erodes or vaporizes due to the effects of solar radiation and other environmental factors

ablation

the outer layer of the Sun's atmosphere, observable as a plasma halo during a solar eclipse

couronne

a sudden, brief burst of increased brightness observed from the sun's surface, usually accompanied by a burst of energy and radiation

éruption solaire

related to or characteristic of planets or the solar system

planétaire

a depression on the surface of a celestial body, formed by the impact of cosmic debris such as meteoroids or asteroids

cratère

a unit of mass used in astronomy, defined as the mass of the Sun

masse solaire

relating to or originating from outside the Earth or its atmosphere

extraterrestre

the visible surface of a star, including the Sun, where energy is emitted as light and other forms of electromagnetic radiation

photosphère

to overshadow another astrological body

éclipser

a type of solar eclipse where the moon, passing between the earth and the sun, appears smaller than the sun, creating a ring of sunlight around the darkened moon

éclipse annulaire

situated or occurring between stars or within the space that exists between stars

interstellaire

a glowing cloud of gas and dust in outer space, often the result of a star explosion or formation

nébuleuse

a natural light display in the Earth's polar regions, caused by the collision of charged particles from the sun with atoms in the Earth's atmosphere

aurore

a celestial body that orbits the Sun and has sufficient mass for its gravity to pull it into a nearly spherical shape

planète naine

a small, natural glassy object formed from terrestrial debris ejected during meteorite impacts, known for its smooth texture and found in strewn fields across the Earth's surface

tektite

a model of the celestial sphere, historically used to depict and study the positions of celestial objects, consisting of a series of hoops representing important circles in the sky

sphère armillaire

the science and practice of designing, building, and operating aircraft, including airplanes and spacecraft

aéronautique

a vehicle designed to travel in space

vaisseau spatial

to send an object, such as a satellite, missile, etc., into space

lancer

a designated area at a spaceport or rocket launch site where rockets or spacecraft are positioned and prepared for liftoff

aire de lancement

an unmanned spacecraft used to gather information from space and send it back

sonde

a vehicle designed and used to go to space and return multiple times

navette spatiale

a robotic vehicle designed to move across the surface of a celestial body to conduct scientific experiments and gather data

rover