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Recently, CNN informed us that Mars One seems to still be on track for landing on Mars in 2025.

If this is the case, we may have humans celebrating the first Christmas on Mars of all time. Since this is such a big milestone in the history of Christmas, it would be unfortunate if Santa Claus couldn't deliver.

You may recall that in Santa's 1998 interview with NASA he discussed his plans for delivering presents to any human colonies on other planets in the solar system. How is Santa's space program coming? Will he be ready to deliver to Mars in 2025?

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closed as primarily opinion-based by PearsonArtPhoto Dec 14 '13 at 14:06

Many good questions generate some degree of opinion based on expert experience, but answers to this question will tend to be almost entirely based on opinions, rather than facts, references, or specific expertise. If this question can be reworded to fit the rules in the help center, please edit the question.

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Let's first get a few boring details out of the way, then we'll see if we need to tell Santa to add a detour to Mars to his 2025 schedule.

There won't be any children on Mars by 2025 with the minimum applicant age requirement of 18 years by end of August 2013, deadline for Mars One online application program:

The astronaut selection program will be open for applicants who are 18 years or older. This is the age by which children become legal adults in most countries in the world. Mars One believes it is important that applicants who enter the astronaut selection program are capable of entering into a legal contract without the supervision of others.

This means that even if Mars One is capable of following its own road map, the youngest first permanent settlers on Mars will be no less than 30 years of age (in Earth years, see below) by Christmas 2025.

But to answer more directly, if Santa Claus is coming to Mars in 2025, we have no way of confirming that, short of establishing that so far, till December 2013, Mars One project is on schedule according to set roadmap milestones. The application program has ended and here is a searchable list of all the applicants with links to their profiles and introduction videos.

So, Santa Claus will have to keep in shape until 2025, with 12 complete and worldwide Christmas deliveries of presents to all the well behaved children around the globe first, then the same, plus a quick (at least 40 minutes long)* detour to Mars to deliver present there in 2025 to a bit older children, too. How old? Since Martian year lasts whole 2.135 Julian years, some of the first settlers might be as young as 14 years of age in Martian terms by Christmas 2025. So it looks like we will have to make sure to notify Santa of this fact before planning his worldwide presents delivery route for 2025. It should indeed be the very first Santa's Interplanetary Presents Delivery (SIPD). ;)

   enter image description here

   Approximate location along the Earth's terminator (dividing line between day and night) when Santa might have 40 minutes to spare

* Assuming the speed of light in vacuum, the theoretical maximum speed at which information in the universe can travel. Since we know that Santa Claus is real and has a physical presence, he cannot move any faster to Mars and back (20 minutes in each direction). That shouldn't stop him from delivering all the Christmas presents to all the children in the world too, tough. He does have the best helpers available to him to help him achieve that. And there is just about 40 minutes of one Earth day available in his schedule during Christmas, because not all the Earth's globe is populated by children and there might be a bit of space in his schedule when the Christmas evening reaches Pacific.

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  • $\begingroup$ And of course, for precisely the reason that the Martian and Julian years do not line up nicely, short of the first delivery this should have only a minor impact on Santa's schedule. The closest near-miss is almost 79 (78.995) Julian years from the initial delivery, followed by 111.02 Jy and 157.99 Jy. Of course, since 0.01 Jy ~ 3.7 Julian days, even the near-miss of 157.99 Jy leaves Santa plenty of margin. He may, however, need to make special arrangements for Jy 2452. $\endgroup$ – a CVn Dec 13 '13 at 14:48
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    $\begingroup$ Mars One may have a minimum age requirement, but I wasn't aware that Santa had a maximum age requirement for who receives gifts. $\endgroup$ – called2voyage Dec 13 '13 at 15:50
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    $\begingroup$ @TildalWave I just found this NASA article saying that improvements to Santa's sleigh include using gravity assists. Perhaps you should incorporate this into your answer. $\endgroup$ – called2voyage Dec 13 '13 at 17:15
  • $\begingroup$ Theoretically there is a possibility having real small children on mars by 2025. Consider 9 month flying time... (I know, the radiation and unpredictable impact of zero gravity on embryo) $\endgroup$ – Boris Brodski Mar 6 '14 at 18:35

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