Astronomy

the earth's atmosphere and the space beyond it

She studied aerospace engineering to pursue a career in space exploration.

a branch of biology that deals with the study of life in space

Astrobiology explores the potential for life beyond Earth, studying environments where life could exist.

having a connection to or originating in the Earth's atmosphere

Atmospheric conditions can affect weather patterns and climate.

related to the universe and the vast space outside the earth

Cosmic phenomena encompass the vast and often mysterious aspects of the universe beyond Earth.

the complete and round-shaped moon as seen from the earth

The couple decided to take a stroll in the park under the full moon, enjoying a romantic evening.

the moon when only half of its bright surface can be seen from the earth

During the evening sky, a captivating half-moon hung just above the horizon.

the moon when only a small portion of its bright side is visible from the earth

Skywatchers eagerly awaited the appearance of the new moon.

(of a price, temperature, etc.) to decrease in amount or level

During a sale, many items in the store will go down in price.

the explosion that, according to most scientists, caused the existence of the universe

The Big Bang theory posits that the universe began with a massive explosion approximately 13.8 billion years ago.

the universe, particularly when it is thought of as a systematic whole

The study of the cosmos encompasses the exploration of galaxies, stars, and planets.

any natural object in the space, such as the sun, moon, etc.

The moon is a celestial body that orbits the Earth.

a pale band of light seen in the sky at night that contains the solar system and billions of other stars

The Milky Way is a barred spiral galaxy that contains our solar system.

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

Orion is a well-known constellation visible in the winter sky.

a circular representation of the twelve zodiacal constellations, showing the corresponding astrological signs

The ancient chart depicted all twelve zodiac constellations.

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

Halley's Comet is one of the most famous comets, visible from Earth approximately every 76 years.

a person of unusually short stature due to genetic or medical conditions

The performer was a dwarf who traveled with a circus.

a planet that is outside the solar system

Astronomers have discovered thousands of exoplanets orbiting stars beyond our solar system.

a piece of rock coming from outer space that passes through the Earth's atmosphere, producing light

We saw a bright meteor streak across the sky during the meteor shower last night.

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

Scientists analyzed the composition of the meteorite that fell in the desert last month.

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

The Orion Nebula is a famous example of a stellar nursery.

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

A supernova is a powerful explosion that occurs at the end of a massive star's life cycle.

a US government agency responsible for space travel and the study of space

NASA, the National Aeronautics and Space Administration, is responsible for the United States' civilian space program.

a group of representatives or delegates sent to accomplish a specific purpose

The UN sent a mission to assess the disaster.

an astronaut from Russia or the former Soviet Union

Yuri Gagarin was the first cosmonaut to orbit the Earth in 1961.

(of a spacecraft or aircraft) to leave the ground, particularly vertically

The rocket lifted off with a thunderous roar, marking the beginning of the historic mission.

the central point or line around which an object turns

The Earth spins on its axis once every twenty-four hours.

a single complete circular movement around an axis or along an orbit

One full rotation of the Earth takes twenty-four hours.

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

The Space Shuttle program operated by NASA allowed astronauts to travel to and from space from 1981 to 2011.

a mysterious object that some people claim to have seen flying around in the sky and assume that it is a spaceship from another world

Witnesses reported seeing an unidentified flying object hovering silently in the night sky.

having or seeming to have no or little weight, caused by the absence of gravity

Objects inside the spacecraft become weightless once it reaches orbit around the Earth.