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Questions tagged [outer-space]

The application of Judaism in locations outside the Earth or to entities that come from outside the Earth.

2
votes
1answer
59 views

Celebrating Rosh Chodesh & Yom tovs on Planets

Would it be possible theoretically to celebrate Rosh Chodesh and Yomim Tovim on planets that have more than one moon? As the Jewish Calender is based on the moon.
21
votes
1answer
488 views

Which way to face while praying on another planet

On Earth, we pray facing Jerusalem. On another planet, it makes sense to pray facing Earth. However, since planets move relative to each other, Earth might not be always in the same direction. In ...
4
votes
0answers
42 views

Should one say a bracha when observing extraterrestrial lightning?

Follow up to my related question on whether one can make a bracha on lightning observed through a telescope. Assuming that one can do this, should he make a bracha when observing lightning occurring ...
1
vote
0answers
68 views

Kiddush Levanah in Outer Space

Inspired by questions about observing Shabbos in outer space, I've been wondering about Kiddush Levanah. Would someone living in space use similar opinions to determine when to sanctify the moon as ...
3
votes
0answers
161 views

Would you need to make a bracha on a rainbow seen on another planet?

This NASA article claims that Titan, one of Saturn's moons, has a wet climate and occasionally, rainbows occur when sunlight refracts off these "water" droplets. However, these droplets are composed ...
8
votes
1answer
160 views

Teshuva that halachot don't apply off of earth

Around the time of the ill-fated shuttle mission STS-107 (the space shuttle mission that Ilan Ramon was on), I heard a shiur about the laws of space travel. One of the sources presented was from a ...
1
vote
1answer
204 views

Jewish considerations regarding moving to Mars

My question is independent of particular halachic issues that a Jew would face on Mars. It is not even about the legality of the decision to move to Mars in light of the knowledge that many obstacles ...
7
votes
2answers
155 views

When and how often would someone say Kiddush Levana (Blessing for the moon) if he were on another planet?

This M.Y. answer says that there are differing views as to whether someone is exempt from mitzvoth while in space. If we were to follow the opinion that one is obligated, should a person on Jupiter ...
6
votes
3answers
366 views

Does the Torah prohibit leaving Earth?

I don't really know from where in the Torah or from which Rabbi this comes from, but I've heard that the Torah prohibits leaving the planet. Maybe it is because every mitzvah is made for Earth only, ...
3
votes
0answers
159 views

Would a non-kosher Earth animal born in space be kosher?

Inspired by this question. The question linked quotes Sanhedrin 59b in saying that if an animal came down from heaven (whether it had kosher signs or not) it would be kosher. If I were, however, to ...
7
votes
0answers
135 views

Is altering human genetics wrong in Judaism?

So, our colonists of the oceanic planet Mayim (yes, that's its name), of whom every single one is a Jew, have encountered a problem: there is no more room on the buoyant-colony-thing that they live in,...
3
votes
1answer
105 views

Zmanim in Space [duplicate]

If an astronaut is in space, how does he or she determine what time to pray? Does it revolve around where the spaceship is in relation to the sun, or does he just follow zmanim on Earth?
14
votes
1answer
583 views

Can a Jew who dies on Mars be buried there?

Recently, the news has been talking about sending people on a 1-way trip to Mars. AFAIK, no Jews have applied or are scheduled to make the trip. B"H, because I see all sorts of interesting halachic ...
8
votes
1answer
330 views

A Jew is born in space. What time rules does he follow?

I know that the title sounds like a sequel to a TV show (Lost in space). But based on a statement in this article : The Rabbis therefore rule that a person should continue to follow the time from ...
11
votes
1answer
399 views

Would a space fish be kosher?

In the episode "TKO" of the science-fiction show Babylon 5, Lt. Commander Susan Ivanova, a Jew, has dinner with her rabbi and they have a discussion about the food that they are eating. Rabbi ...
15
votes
7answers
664 views

Does the Zodiac really have influence on our lives?

Ancient thought, even among the rabbis of the Talmud, was that the Zodiac controlled certain Earthly events. In Hebrew, the signs of the Zodiac are מזלות, now known as "luck". For example, in Shabbat ...
7
votes
2answers
3k views

Does the Torah ever allude to Earth being a spherical celestial body in space?

Taken at face value, the instances in which the Heavens and Earth are mentioned in the Torah, it is the Heavens above and Earth below. From what I gather, many secular scholars take from this that the ...
10
votes
6answers
585 views

Is there any reason to deny aliens according to Judaism?

Is there any reason that we couldn't believe in life on another planet somewhere? Is there any source that indicates to the contrary?
4
votes
1answer
184 views

Burial in Space

Assume that we have a space-colony, or ch"ch, a member of an interplanetary mission dies in space. We know that cremation is forbidden, so what would the process for burial be? Would it be similar to ...
12
votes
1answer
278 views

Sending a Torah to the Moon

According to this article, there's an organization that wants to blast a Sefer Torah into space for safe keeping on the moon. Are there any halachik problems regarding such an endeavour (and if so, ...
8
votes
1answer
478 views

Mission to Mars: halachic challenges

There is talk in the scientific community of a manned Mars mission: sending an elderly couple to slingshot past Mars and return to Earth as a trial mission, toward eventual other missions that will ...
4
votes
1answer
98 views

Is there a legal minimum on the amount of soil needed to make a suitable grave?

This is not being asked for any pragmatic need. I had the thought about people living off of planets. Without getting into the issue of whether a burial can take place anywhere beside Earth, I ...
3
votes
0answers
51 views

How would you keep shabbos in space? [duplicate]

Possible Duplicate: When does somebody living in space (e.g. ISS) observe Shabbat? If someone lived in outer space, either on a space station or a planet, for an extended period of time (or was ...
14
votes
3answers
432 views

What is the halachic status of things in outer space?

Is everything in outer space hefker? For example if a private person lands on the moon or an asteroid can he be koneh it? Do you retain the rights to something that you send into space?
21
votes
3answers
1k views

Can an Alien convert to Judaism?

Suppose we one day find an extraterrestrial walking on our planet that originated from another planet. The alien quickly learns all about religion and now wants to become a Jew. Do we let him? ...
15
votes
7answers
798 views

Why is there so much space and matter,etc. in the universe?

If the point of all of creation is for the Jewish people to accept and carry out the torah [I realize this is not axiomatic and may be a point of contention - see Shabbat 88a] what is the need for the ...
17
votes
3answers
2k views

When does somebody living in space (e.g. ISS) observe Shabbat?

I understand that Jewish astronauts have been advised to observe Shabbat by Cape Canaveral time, by analogy with traveling to a place that doesn't have daily sunrise/sunset where some rule you use the ...
44
votes
6answers
6k views

Does the Torah discuss aliens?

Does the Torah discuss extra-terrestrial life and/or civilizations? Do any Torah sources exist which discuss what these hypothetical beings would be like and their status/nature? (eg. Would they be ...