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...b0b0cf27ed9786229dd.pdf A new analysis of Mars “special regions”: findings of the second MEPAG Special Regions Science Analysis Group (SR-SAG2)].</ref><R ...e limits of life, and the requirements for Mars Special Regions, page 940 of<ref name=MarsSpecialRegions2014/>) ...

...r) on Mars. While there is intriguing but inconclusive evidence suggestive of extraterrestrial liquid water, it has so far eluded direct confirmation.]] ...[Earth]]. It is a subject of wide interest because it is recognised as one of the key prerequisites for life as we know it and thus surmised as essential ...

...ation in Google Mars)]. Displayed region 188.5 meters by 172 meters. Dates of sequence: 19 January (sol 396), 24 January (sol 401), 29 January (sol 406) ...an scientists proposed that they might be the result of spreading colonies of overwintering photosynthetic microbial life. <ref name=Andras/> ...

[[File:RedDwarfPlanet.jpg|thumb|An artist's impression of a planet in orbit around a red dwarf]] ...between these factors affect habitability may help to reveal the frequency of [[extraterrestrial life]] and intelligence. ...

...0}}[[File:Titan multi spectral overlay.jpg|250px|thumb|Multi-spectral view of Titan]] ...ese liquid mixes may provide pre-biotic chemistry for [[Hypothetical types of biochemistry|living cells different from those on Earth]]. ...

{{Needs-Attention|This is rather out of date}}{{Vetted|0}}{{Use dmy dates|date=November 2012}} ...3-9_540-1|isbn=978-1-4614-9213-9 }}</ref> – are the two most visible types of features ascribed to these eruptions. ...

| image_caption = Model of ''Schiaparelli'' lander at [[ESOC]] (2016) ...Red Planet: How NASA is Preparing to Send Humans to Mars |journal=Journal of Young Investigators |first=Selby |last=Cull |date=September 2005 |accessdat ...

...chive_12B/Nov16_1353054110CH.php |title=Sri Lanka to investigate the cause of red rain received in some parts |publisher=Colombopage.com |date=2012-11-16 ...the-blood-rain-mystery/article7057859.ece |title=Blood rain mystery spores of micro algae |publisher=The Hindu |date=2015-04-01 |accessdate=2015-10-18 |d ...

| names_list = Mars Surveyor '98<!--list of previous names if the spacecraft has been renamed. <!--image of the spacecraft/mission--> ...

...ncluding [[DNA]], into the [[Natural environment|environment]] as evidence of their presence in a particular location.<ref name="NYT-20150122">{{cite new [[File:Calcidiscus leptoporus 05.jpg|thumb|left|200px|Electron micrograph of microfossils from a sediment core obtained by the [[Deep Sea Drilling Progr ...

[[Image:Myoglobin.png|thumb|200px|A representation of the 3D structure of [[myoglobin]], showing [[alpha helix|alpha helices]], represented by ribbon ...etabolite]]s, and [[natural product]]s. A more general name for this class of material is biological materials. Biomolecules are usually [[endogeny (biol ...

...nternational Public Debate| Legal Issues]] - [[Discussion of science value of a Mars sample return |science value]] - [[Dissenting views on Mars sample r ...rticle concerns legal issues and requirements for public debate for return of a sample to a [[Mars Sample Receiving Faclity | Mars Sample Return Receivin ...

...ass of cargo carried by spacecraft (e.g. for Space Shuttle), or total mass of instrumentation/equipment/experiments for mission--> ...uncements/Call_for_2020_Mars_Science_Rover-G.pdf |title=Call for ''Letters of Application'' for Membership on the Science Definition Team for the 2020 Ma ...

| names_list = <!--list of previous names if the spacecraft has been renamed. <!--image of the spacecraft/mission--> ...

| image_caption = Artist's impression of TiME lake lander ...|last=Hsu |first=Jeremy |title=Nuclear-Powered Robot Ship Could Sail Seas of Titan |work=Space.com |publisher=Imaginova Corp. |date=14 October 2009 |url ...

| names_list = Testing the Habitability of Enceladus's Ocean (THEO) <!--image of the spacecraft/mission--> ...

[[File:Venuspioneeruv.jpg|250px|thumb|The atmosphere of Venus as viewed in ultraviolet by the [[Pioneer Venus Orbiter]] in 1979.]] The speculation of life currently existing on [[Venus]] decreased significantly since the earl ...