astronomy
the science of space and stars
The science that studies the sun, moon, stars, planets, and other things in space.
to study [astronomy]
- She decided to major in astronomy after taking an introductory course at university.
- Modern astronomy relies heavily on powerful telescopes and advanced computer models.
- Astronomy has helped us understand how galaxies form and evolve over billions of years.
- The local observatory offers free public talks on current discoveries in astronomy.
- His interest in astronomy began when he saw Saturn through a telescope as a child.
- I want to study astronomy at university.
- Astronomy helps us learn about stars and planets.
- My school has an astronomy club after class.
- We used a small telescope in astronomy class.
- She reads many books about astronomy in her free time.
- Base: astronomy
- Plural: astronomy
amateur astronomy
1astronomy as a hobby
Astronomy done for fun by people who are not paid scientists.
- Amateur astronomy has contributed many discoveries of new comets.
- He got into amateur astronomy after buying a small telescope.
astronomy class
1course about astronomy
A lesson or course where students learn about stars, planets, and space.
- We learned about black holes in astronomy class today.
- His astronomy class meets twice a week in the science building.
astronomy club
1club for astronomy enthusiasts
A group of people who meet to talk about space and to look at the sky with telescopes.
- She joined the university astronomy club to use the large telescope on the roof.
- The astronomy club organizes stargazing nights twice a month.
astronomy degree
1university degree in astronomy
A university qualification you get after studying astronomy for several years.
- She earned an astronomy degree before starting her PhD in astrophysics.
- Many students with an astronomy degree work in data science or research.
astronomy textbook
1textbook about astronomy
A school or university book that explains ideas and facts in astronomy.
- The new astronomy textbook includes the latest images from space telescopes.
- He spent the weekend reading his astronomy textbook before the exam.
observational astronomy
1astronomy based on observations
A part of astronomy that focuses on watching the sky and recording what we see with telescopes and instruments.
- Advances in observational astronomy have revealed thousands of exoplanets.
- Radio telescopes play a key role in modern observational astronomy.
observational astronomy
1astronomy using direct observations
astronomy based on looking at and measuring objects in space
- New telescope technology has transformed observational astronomy.
- She studies galaxy formation through observational astronomy.
- Observational astronomy depends on precise instruments and clear data.
optical astronomy
1astronomy using visible light
A kind of astronomy that uses normal light, like the light we see with our eyes, to study stars and other objects in space.
- Clouds and city lights can severely limit optical astronomy.
- Space-based telescopes have revolutionized optical astronomy.
radio astronomy
1astronomy using radio waves
A kind of astronomy that studies space by listening to radio waves from stars, galaxies, and other objects.
- Radio astronomy has allowed scientists to map the structure of our galaxy.
- The remote desert location is ideal for radio astronomy because it has little interference.