Contact Us

Have a question, correction, suggestion, or concern about something published on BigBangRegistry.com?

We welcome useful feedback from readers, educators, students, researchers, science communicators, and anyone interested in understanding the universe.

Big Bang Registry is an independent educational reference focused on the Big Bang, the early universe, the Cosmic Microwave Background, cosmology, scientific observations, missions, measurements, and related topics.

Please use the contact form on this page to get in touch.

    General Inquiries

    For general questions about Big Bang Registry, its content, tools, or the project itself, select General Inquiry when submitting the contact form.

    Before contacting us with a scientific question, we recommend searching the website first. Our articles, Registry entries, timelines, and tools may already cover the topic you are looking for.

    Please note that Big Bang Registry cannot provide personalized professional, academic, or research advice.

    Report a Scientific or Factual Error

    Accuracy is important to us.

    If you believe an article contains an incorrect statement, outdated measurement, misleading explanation, calculation error, or other factual problem, please let us know.

    When reporting a possible correction, please include:

    • the URL of the page;
    • the statement or section you believe is incorrect;
    • a brief explanation of the issue;
    • and, if possible, a reliable source supporting the correction.

    Useful sources may include peer-reviewed research, official mission documentation, scientific datasets, universities, observatories, or organizations such as NASA and ESA.

    Corrections are reviewed against appropriate sources before changes are made.

    Submitting a correction does not guarantee that the suggested change will be adopted.

    Suggest a Scientific Source

    Found a paper, dataset, mission page, archive, or other authoritative resource that could improve one of our articles?

    We welcome source suggestions.

    Please include:

    • the relevant BigBangRegistry.com page;
    • the title of the proposed source;
    • a link or citation;
    • and a short explanation of why it is relevant.

    We prioritize primary scientific literature, official datasets, research institutions, mission documentation, and reputable scientific reviews.

    Questions About Our Calculators and Tools

    Big Bang Registry may provide tools such as:

    • Redshift Calculator;
    • Lookback Time Calculator;
    • Universe Age Calculator;
    • Cosmological Distance Calculator;
    • CMB Temperature Calculator;
    • Cosmic Timeline;
    • Cosmic Epoch Explorer;
    • and other interactive resources.

    If you find a possible calculation or software issue, please tell us:

    • which tool you were using;
    • the values you entered;
    • the result you received;
    • the result you expected, if known;
    • and the device/browser you were using if the problem appears technical.

    Remember that cosmological calculators may produce different results depending on assumptions such as the Hubble constant, matter density, dark-energy density, spatial curvature, and cosmological model.

    Report a Technical Problem

    If something on BigBangRegistry.com is not working correctly, we appreciate reports about problems such as:

    • broken links;
    • pages that do not load;
    • calculator errors;
    • incorrect redirects;
    • display problems;
    • inaccessible content;
    • mobile layout problems;
    • missing images;
    • or other technical issues.

    Please include the URL of the affected page and enough information for us to reproduce the problem.

    Screenshots or descriptions of any error messages can also be helpful.

    Image, Data, and Attribution Concerns

    BigBangRegistry.com may reference scientific imagery, maps, datasets, charts, research publications, or other material originating from external institutions and creators.

    If you believe:

    • an image has incorrect attribution;
    • a credit is missing;
    • material has been associated with the wrong source;
    • licensing information needs correction;
    • or material should not appear on the website,

    please contact us with the relevant URL and details.

    Where possible, include information identifying the original work and rights holder.

    We take reasonable attribution and intellectual-property concerns seriously and will review appropriately documented reports.

    If you are a copyright owner or authorized representative and believe material appearing on BigBangRegistry.com infringes your rights, please provide:

    • identification of the copyrighted work;
    • the URL where the material appears;
    • information identifying the allegedly infringing material;
    • your contact information;
    • your relationship to the rights holder;
    • and an explanation of your concern.

    Providing complete information helps us evaluate the request.

    For third-party imagery or datasets linked from BigBangRegistry.com, you may also need to contact the organization that originally hosts the material.

    Historical Big Bang Registry Information

    BigBangRegistry.com has a history associated with an earlier interactive Cosmic Microwave Background project presented by MinutePhysics in 2012.

    The present Big Bang Registry is a new and independently operated publication and is not the official continuation of that earlier project.

    If you have reliable historical information about the earlier website—such as contemporary articles, archived references, interviews, or other documentation—we welcome relevant historical-source suggestions.

    However, please do not submit historical copyrighted material unless you have permission to do so.

    For more information, see our Project History page.

    Researchers and Subject-Matter Experts

    Researchers, astronomers, cosmologists, educators, and other subject-matter experts are welcome to contact us regarding:

    • potential factual corrections;
    • recently published research relevant to existing content;
    • dataset information;
    • suggested primary sources;
    • clarification of scientific terminology;
    • or possible expert review.

    Contacting Big Bang Registry does not create an editorial, employment, consulting, or other contractual relationship unless separately agreed in writing.

    Media and Collaboration Inquiries

    For legitimate media, educational, research, or collaboration inquiries, please select the appropriate option in our contact form and provide:

    • your name;
    • organization, if applicable;
    • purpose of the inquiry;
    • relevant website or publication;
    • and sufficient details about the request.

    We evaluate collaborations individually.

    No organization should imply partnership, sponsorship, or endorsement by Big Bang Registry unless such a relationship has been expressly agreed.

    What We Cannot Help With

    Big Bang Registry is an educational publication, not an official astronomy or space-agency support service.

    We cannot handle requests relating to:

    • NASA programs or employment;
    • ESA programs or employment;
    • telescope observation requests;
    • spacecraft missions;
    • university admissions;
    • official scientific datasets maintained by another organization;
    • research grants;
    • professional astronomical services;
    • or official statements from scientific institutions.

    For those matters, please contact the responsible organization directly.

    Important: We Are an Independent Publication

    Big Bang Registry is not affiliated with, operated by, sponsored by, or endorsed by NASA, the European Space Agency, MinutePhysics, Henry Reich, the Planck Collaboration, the WMAP Science Team, or other organizations and researchers referenced on this website unless an affiliation is expressly stated.

    If your question is intended for one of those organizations, please contact that organization through its official website.

    Before You Submit

    To help us understand your message, please provide as much relevant information as practical.

    For website-related questions, including a specific URL is especially useful.

    Please do not submit:

    • passwords;
    • financial information;
    • government identification numbers;
    • confidential research data;
    • sensitive personal information;
    • or other information that is unnecessary to address your request.

    We may not be able to respond individually to every submission, particularly unsolicited promotional messages or requests outside the scope of the website.

    Contact Big Bang Registry

    Questions, corrections, source suggestions, and feedback help us improve the project.

    If your message concerns a specific article, Registry entry, map, timeline, or calculator, please include its URL so we can identify it quickly.

    Thank you for helping us make Big Bang Registry a more useful and reliable resource for exploring cosmology.

    Big Bang Registry
    Mapping the Beginning of the Universe