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        <Desc>OPERATING LEASE RIGHT OF USE ASSET</Desc>
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        <Desc>EMPLOYEE RETENTION CREDIT RECEIVABLE</Desc>
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        <Desc>OTHER LIABILITIES</Desc>
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        <Desc>OPERATING LEASE LIABILITY</Desc>
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      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>4057630</TotalRevenuePerForm990Amt>
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      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION IS A NOT-FOR-PROFIT ORGANIZATION THAT IS EXEMPT FROM INCOME TAXES UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE AND CLASSIFIED BY THE INTERNAL REVENUE SERVICE (IRS) AS OTHER THAN A PRIVATE FOUNDATION. ACCORDINGLY, NO PROVISION FOR FEDERAL OR STATE INCOME TAX HAS BEEN PRESENTED IN THE ACCOMPANYING FINANCIAL STATEMENTS. THE ORGANIZATION FOLLOWS THE PROVISIONS OF FASB ASC, INCOME TAXES. THE STANDARD PRESCRIBES A MINIMUM RECOGNITION THRESHOLD AND MEASUREMENT METHODOLOGY THAT A TAX POSITION TAKEN OR EXPECTED TO BE TAKEN IN A TAX RETURN IS REQUIRED TO MEET BEFORE BEING RECOGNIZED IN THE FINANCIAL STATEMENTS. IT ALSO PROVIDES GUIDANCE FOR DERECOGNITION, CLASSIFICATION, INTEREST AND PENALTIES, ACCOUNTING IN INTERIM PERIODS, DISCLOSURE, AND TRANSITION AS THEY RELATE TO THOSE TAX POSITIONS. THE ORGANIZATION BELIEVES THAT IT HAS APPROPRIATE SUPPORT FOR THE POSITIONS TAKEN ON ITS TAX RETURNS AND ACCORDINGLY, HAS NOT RECORDED ANY TAX PROVISION FOR THE YEARS ENDED SEPTEMBER 30, 2023 AND 2022. HOWEVER, THE ORGANIZATION IS SUBJECT TO AUDIT BY THE FEDERAL AND VARIOUS STATE JURISDICTIONS DURING CERTAIN STATUTORY PERIODS. AS SUCH, CERTAIN TAX POSITIONS COULD BE CHALLENGED AND THE AMOUNTS ULTIMATELY PAID, IF ANY, UPON RESOLUTION OF THE ISSUES RAISED BY THE TAXING AUTHORITIES, MAY DIFFER MATERIALLY FROM THE AMOUNTS FILED. AS REQUIRED BY LAW, THE ORGANIZATION FILES INFORMATIONAL RETURNS WITH BOTH THE UNITED STATES FEDERAL AND VARIOUS STATE JURISDICTIONS ON AN ANNUAL BASIS. THESE RETURNS ARE SUBJECT TO EXAMINATION BY THESE AUTHORITIES WITHIN CERTAIN STATUTORILY DEFINED PERIODS FOR THE FEDERAL GOVERNMENT AND VARIOUS STATES.</ExplanationTxt>
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        <RegionTxt>GERMANY</RegionTxt>
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        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SCIENCE COMMUNICATION WORKSHOPS</SpecificServicesProvidedTxt>
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      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>LIBYA</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SHIPPED TELESCOPES TO SCHOOLS</SpecificServicesProvidedTxt>
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      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>SWITZERLAND</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>33</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SCIENCE COMMUNICATION WORKSHOPS</SpecificServicesProvidedTxt>
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      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>UKRAINE</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>PROVIDE EDUCATION CLASSES TO CHILDREN</SpecificServicesProvidedTxt>
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      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>UKRAINE</RegionTxt>
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        <SpecificServicesProvidedTxt>SHIPPED TELESCOPES TO SCHOOLS</SpecificServicesProvidedTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III ACCOUNTING METHOD:</FormAndLineReferenceDesc>
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    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>BLUE MARBLE SPACE HAS ITS FORM 990 PREPARED BY AN OUTSIDE ACCOUNTING FIRM AND HAS ESTABLISHED THE FOLLOWING REVIEW PROCESS TO ENSURE THAT THE INFORMATION REPORTED IS COMPLETE AND ACCURATE. WHEN THE FORM 990 HAS BEEN PREPARED, REVIEWED BY MANAGEMENT AND IS READY TO BE FILED WITH THE INTERNAL REVENUE SERVICE, IT IS PROVIDED TO THE MEMBERS OF THE ORGANIZATIONS GOVERNING BODY FOR ANY COMMENTS PRIOR TO ITS SUBMISSION. THE GOVERNING BODY IS PROVIDED WITH A REASONABLE AMOUNT OF TIME TO REVIEW THE FORM 990. ANY COMMENTS ARE THEN GROUPED, SUMMARIZED AND PROVIDED THROUGH MANAGEMENT TO THE OUTSIDE ACCOUNTING FIRM. ANY APPLICABLE ISSUES ARE ADDRESSED PRIOR TO THE RETURN BEING FINALIZED AND APPROVED FOR FILING.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>BLUE MARBLE SPACE CURRENTLY HAS IN PLACE A CONFLICT OF INTEREST POLICY WHICH IT REGULARLY MONITORS AND ENFORCES. THE BOARD MANDATES THAT ALL MEMBERS OF MANAGEMENT AND THE GOVERNING BODY ANNUALLY SIGN A CONFLICT OF INTEREST POLICY AND DISCLOSE ANY POTENTIAL OR ACTUAL CONFLICTS THAT MAY EXIST. IF A POTENTIAL OR ACTUAL CONFLICT OF INTEREST EXISTS, THE GOVERNING BODY AND MANAGEMENT WILL INVESTIGATE THE ISSUE. IF A CONFLICT OF INTEREST IS DETERMINED TO EXIST MANAGEMENT AND THE GOVERNING BODY WILL BE NOTIFIED IMMEDIATELY. THE MEMBER WILL NOT BE ALLOWED TO VOTE OR BE A PART OF ANY DISCUSSION ABOUT ANY SUCH TRANSACTIONS THAT HAVE TO DO WITH THE CONFLICT UNTIL SUCH TIME THAT THERE IS NO LONGER A CONFLICT.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COMPENSATION OF THE OFFICERS IS REVIEWED AND APPROVED BY THE BOARD OF TRUSTEES, AN INDEPENDENT BODY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>BLUE MARBLE SPACE MAKES ITS FORM 990 AVAILABLE FOR PUBLIC INSPECTION AS REQUIRED UNDER SECTION 6104 OF THE INTERNAL REVENUE CODE UPON WRITTEN REQUEST AT THE ORGANIZATIONS OFFICE AT 600 1ST AVENUE, 1ST FLOOR, SEATTLE, WA 98104. IN ADDITION FORM 1023 AS WELL AS THE FINANCIAL STATEMENTS, AND CONFLICT OF INTEREST POLICY ARE AVAILABLE UPON WRITTEN REQUEST AT THE ORGANIZATIONS OFFICE AT 600 1ST AVENUE, 1ST FLOOR, SEATTLE, WA 98104.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>NO CHANGE FROM PRIOR YEAR.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, BOX B, AMENDED RETURN</FormAndLineReferenceDesc>
        <ExplanationTxt>THE 2022 990 RETURN IS BEING AMENDED TO CONFORM TO THE AUDITED FINANCIALS, SCHEDULE F HAS CHANGED.</ExplanationTxt>
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</Return>
