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The library for keeping and converting astronomical measurements. Feel free to use it in your awesome projects.

Astronomical Measurements #

SDK version Supported platforms Supported SDKs

Cover - Astronomical Measurements

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Keeping and converting astronomical measurements. Easy-to-use and well-tested Dart package. Feel free to use it in your awesome project.


Share some ❤️ and star repo to support the Astronomical Measurements.

If you write an article about AstronomicalMeasurements or any of these packages, let me know and I'll post the URL of the article in the README 🤝

🚀 Usage #

Converting #

final u = Unit.parsec(12);
print('$u = ${u.toLightYear} = ${u.toKilometre}');

12.0 pc = 39.138765325920005 ly = 2475178.5718530393 au = 370281443951481.56 km

See also the folder test for the use cases.

🧮 Supported Units #

Distance, Size #

  • gigaparsec
  • megaparsec
  • kiloparsec
  • parsec
  • light year
  • million astronomical units
  • thousand astronomical units
  • hundred astronomical units
  • astronomical unit
  • million kilometres
  • thousand kilometres
  • hundred kilometres
  • kilometre
  • metre
  • centimetre
  • millimetre

✨ What's New #

Look at changelog.

👋 Welcome #

If you encounter any problems, feel free to open an issue. If you feel the package is missing a feature, please raise a ticket on Github and I'll look into it. Requests and suggestions are warmly welcome. Danke!

Contributions are what make the open-source community such a great place to learn, create, take a new skills, and be inspired.

If this is your first contribution, I'll leave you with some of the best links I've found: they will help you get started or/and become even more efficient.

The package AstronomicalMeasurements is open-source, stable and well-tested. Development happens on GitHub. Feel free to report issues or create a pull-request there.

General questions are best asked on StackOverflow.

And here is a curated list of how you can help:

  • Documenting the undocumented. Whenever you come across a class, property, or method within our codebase that you're familiar with and notice it lacks documentation, kindly spare a couple of minutes to jot down some helpful notes for your fellow developers.
  • Refining the code. While I'm aware it's primarily my responsibility to refactor the code, I wholeheartedly welcome any contributions you're willing to make in this area. Your insights and improvements are appreciated!
  • Constructive code reviews. Should you discover a more efficient approach to achieve something, I'm all ears. Your suggestions for enhancement are invaluable.
  • Sharing your examples. If you've experimented with our use cases or have crafted some examples of your own, feel free to add them to the example directory. Your practical insights can enrich our resource pool.
  • Fix typos/grammar mistakes.
  • Report bugs and scenarios that are difficult to implement.
  • Implement new features by making a pull-request.

✅ TODO (perhaps) #

Once you start using the AstronomicalMeasurements, it will become easy to choose the functionality to contribute. But if you already get everything you need from this package but have some free time, let me write here what I have planned:

  • A mass.

It's just a habit of mine: writing down ideas that come to mind while working on a project. I confess that I rarely return to these notes. But now, hopefully, even if you don't have an idea yet, the above notes will help you choose the suitable "feature" and become a contributor to the open-source community.

Created with ❤️

pub points



The library for keeping and converting astronomical measurements. Feel free to use it in your awesome projects.

Repository (GitHub)
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#measurements #astronomical #lenght #distance #tools


API reference


MIT (license)




Packages that depend on astronomical_measurements