STEM

Astronomer

Use telescopes, satellites, and computer models to study planets, stars, and galaxies

Open interactive guide

What does an Astronomer do?

Astronomers work at universities, observatories, and space agencies. They plan observations, analyze light from faraway objects, and publish what they find. Most spend more time at computers than at telescopes. It suits patient people who love big questions and hard math.

A day in the life

10:00 AMCheck the weather and the telescope schedule for the night
11:00 AMWrite code to sort through a huge set of star images
1:00 PMFit a model to the light from a distant galaxy
3:00 PMMeet with students about their research projects
4:30 PMWrite a proposal asking for telescope time
9:00 PMWatch a remote telescope collect data

What's great

  • Study planets, stars, and galaxies
  • Team up with scientists around the world
  • Some trips go to mountaintop observatories
  • Programming skills open other careers

The hard parts

  • A PhD plus postdoc jobs come before a stable job
  • Few permanent jobs open each year
  • Telescope time is hard to win
  • Night work and travel can strain family life

What is an Astronomer's salary and outlook?

$77k – $192k
Salary Range
Doctorate / Professional degree
Typical Education
Growing

Typical pay in this guide runs from about $76,800 to $192,000 a year, with a midpoint around $128,000. These are planning figures for students, not a job offer or an official wage.

CareerLens rates the outlook as Growing.

For the official national outlook, see BLS Occupational Data.

How do you become an Astronomer?

A common path is PhD in astronomy or astrophysics after a bachelor's in physics. The ladder often runs from Postdoctoral Researcher to Astronomer, then Senior Astronomer or Associate Professor, and Observatory Director. Other routes: Bachelor's degree, then planetarium or science outreach jobs; Bachelor's plus a software or data science career; Master's degree for observatory or instrument jobs; Summer research programs as an undergraduate.

  • Bachelor's degree, then planetarium or science outreach jobs
  • Bachelor's plus a software or data science career
  • Master's degree for observatory or instrument jobs
  • Summer research programs as an undergraduate

Career path

Entry level
Postdoctoral Researcher
Mid career
Astronomer
Senior
Senior Astronomer or Associate Professor
Executive
Observatory Director

Will AI replace an Astronomer?

How much will AI change this job?

A lot

AI will change many everyday tasks in this job. The work shifts toward judgment, checking, and people.

AI helps astronomers sort data fast, but ideas stay human.

Astronomers will use AI to sort through huge amounts of telescope data quickly. This means less time crunching numbers and more time asking big questions about the universe. The job shifts toward guiding research and understanding what the data really means.

AI can help with

  • Sorting through huge amounts of telescope images
  • Spotting patterns in star and galaxy data
  • Running quick calculations for orbits or distances

What stays human

  • Deciding which questions about space matter most
  • Explaining discoveries clearly to other scientists and the public
  • Designing new experiments and creative research ideas

Skills to build now

  • Practice math and physics, especially algebra and geometry
  • Learn basic coding, like Python, through free tutorials
  • Join a science club or star-gazing group to ask questions

Based on public research from Anthropic and OpenAI, drafted with AI, checked automatically, and read by a person. How we know

This describes how the work may change. It is not a prediction that the job will disappear.