Radar evidence of subglacial liquid water on Mars-Reference-Cited by-同舟云学术

Radar evidence of subglacial liquid water on Mars

Published:2018-08-03 Issue:6401 Volume:361 Page:490-493
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Orosei R.¹^ORCID,Lauro S. E.²^ORCID,Pettinelli E.²^ORCID,Cicchetti A.³^ORCID,Coradini M.⁴,Cosciotti B.²^ORCID,Di Paolo F.¹,Flamini E.⁴^ORCID,Mattei E.³^ORCID,Pajola M.⁵^ORCID,Soldovieri F.⁶^ORCID,Cartacci M.³^ORCID,Cassenti F.⁷,Frigeri A.³^ORCID,Giuppi S.³,Martufi R.⁷,Masdea A.⁸,Mitri G.⁹^ORCID,Nenna C.¹⁰^ORCID,Noschese R.³^ORCID,Restano M.¹¹,Seu R.⁷

Affiliation:

1. Istituto di Radioastronomia, Istituto Nazionale di Astrofisica, Via Piero Gobetti 101, 40129 Bologna, Italy.

2. Dipartimento di Matematica e Fisica, Università degli Studi Roma Tre, Via della Vasca Navale 84, 00146 Roma, Italy.

3. Istituto di Astrofisica e Planetologia Spaziali, Istituto Nazionale di Astrofisica, Via del Fosso del Cavaliere 100, 00133 Roma, Italy.

4. Agenzia Spaziale Italiana, Via del Politecnico, 00133 Roma, Italy.

5. Osservatorio Astronomico di Padova, Istituto Nazionale di Astrofisica, Vicolo Osservatorio 5, 35122 Padova, Italy.

6. Consiglio Nazionale delle Ricerche, Istituto per il Rilevamento Elettromagnetico dell’Ambiente, Via Diocleziano 328, 80124 Napoli, Italy.

7. Dipartimento di Ingegneria dell’Informazione, Elettronica e Telecomunicazioni, Università degli Studi di Roma “La Sapienza,” Via Eudossiana 18, 00184 Roma, Italy.

8. E.P. Elettronica Progetti, Via Traspontina 25, 00040 Ariccia (RM), Italy.

9. International Research School of Planetary Sciences, Università degli Studi “Gabriele d’Annunzio,” Viale Pindaro 42, 65127 Pescara (PE), Italy.

10. Danfoss Drives, Romstrasse 2 – Via Roma 2, 39014 Burgstall – Postal (BZ), Italy.

11. Serco, c/o ESA Centre for Earth Observation, Largo Galileo Galilei 1, 00044 Frascati (RM), Italy.

Abstract

Liquid water under Mars' southern ice cap Mars is known to host large quantities of water in solid or gaseous form, and surface rocks show clear evidence that there was liquid water on the planet in the distant past. Whether any liquid water remains on Mars today has long been debated. Orosei et al. used radar measurements from the Mars Express spacecraft to search for liquid water in Mars' southern ice cap (see the Perspective by Diez). They detected a 20-km-wide lake of liquid water underneath solid ice in the Planum Australe region. The water is probably kept from freezing by dissolved salts and the pressure of the ice above. The presence of liquid water on Mars has implications for astrobiology and future human exploration. Science , this issue p. 490 ; see also p. 448

Funder

Agenzia Spaziale Italiana

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference52 articles.

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