Research · Do this yourself

Use AI to explore free public science data, like telescope readings.

✅ He reports a candidate he believes nobody had catalogued.

Who it’s for

Students, hobbyists and curious learners.

Adapt it to your industry

  • Real estate: compare neighborhoods using public data
  • Restaurant: summarize what reviews say about you and nearby competitors
  • Consultant: build a short brief on a client’s market before the first call

Step by step

  1. Open ChatGPT, Claude or Grok and start a new chat (turn on web search or “deep research” if your plan has it).
  2. Write down the exact question you need answered and what a good answer looks like (a table, a one-page memo, a list).
  3. Paste the prompt below and add your question.
  4. Ask it to list every source it used with links, then open 2–3 of them to check they say what it claims.
  5. Ask for the result in the format you need, for example a table you can paste into Google Sheets.
  6. Save the prompt so you can re-run the same research next week.

Ready-to-copy prompt

Download public light curves for [target list], search for periodic transit dips, and show me each candidate with the plot and false-positive checks.

Start with AI

Opens the AI with this guide and the prompt filled in.

Cost
$0–20/month (free tiers or one AI plan)Our estimate
Time
2–6 weeksOur estimate

How to make money from it

Pricing idea: Offer short research briefs at a fixed price per report (for example $100–500), or a monthly retainer for a weekly update.

Finding your first 10 customers

  • Make one free sample report on a topic your target customers care about and share it.
  • Send it directly to 20 people in that field with a one-line note.
  • Ask anyone who replies what they would pay for a monthly version.

Ideas, not promises. Results vary.

Details: source, numbers and tags

What they did

The poster used Claude Code to pull and analyze public astronomy data and look for a planet signal.

How it went

He reports a candidate he believes nobody had catalogued. That is a claim, not a confirmed discovery.

Worth knowing

Candidates need professional follow-up; HN commenters debated it.

Difficulty
AdvancedOur rating
Time to build
Not reportedOur estimate
Monthly cost
Not reported
Revenue
Not reportedWe only show revenue the source states
Engagement
301 HN points132 comments · fetched Oct 15, 2026

Original builder recipe

  • Claude Code
  • Public telescope data
  • Python
  1. Define the question and success criteria.
  2. Let agents search, run or summarize in parallel.
  3. Verify key results yourself.
  4. Write up findings with sources.

Tags

Read the original

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