Notices

• NOTICE: Amended March 20, 2020. In order to give organizations more time to adapt to remote activities because of the COVID-19 emergency, the Step-1 proposal due date has been delayed to April 17, 2020.
• NOTICE: Amended February 27, 2020. The text in sections 2.2 and 3.1.7 regarding sample-based and experimental studies of the chemical, petrological, and isotopic properties of lunar materials have been changed in parallel with an amendment to C.3 Solar System Workings. New text is in bold and deleted text is struck through.
• The description of the specific proposal opportunity on this page is contained in the document 'C.2 Emerging Worlds'. The document 'C.1 Planetary Science Research Program Overview' describes research activities within the NASA science division that is managing the specific proposal opportunity on this page and may impose requirements upon proposals submitted to this program element. The document 'Summary of Solicitation' describes the common requirements for all ROSES-2020 proposal opportunities. The documents 'Table 2' and 'Table 3' contain the list of all proposal opportunities and their due dates, sorted by due date or appendix number, respectively. All of these documents are kept up to date and incorporate amendments, clarifications, and corrections in a clearly identifiable manner.