Existence of a celestial body big enough for early civilization to be thought of as a second moonA world with...
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Existence of a celestial body big enough for early civilization to be thought of as a second moon
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$begingroup$
Is there a possible scenario in which once a year a celestial body can be seen from the surface of the Earth-like planet for a short period of time?
- With it being big enough for early civilization to consider it a second moon but much smaller than the actual one.
- And occurring each year for one thousand years.
I thought two moons questions are similar enough, but I haven't found a proper answer for myself.
Thank you!
space earth-like
edited 13 mins ago
Willk
113k27211472
asked 3 hours ago
shootshishootshi
283
New contributor
shootshi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
add a comment |
$begingroup$
Is there a possible scenario in which once a year a celestial body can be seen from the surface of the Earth-like planet for a short period of time?
- With it being big enough for early civilization to consider it a second moon but much smaller than the actual one.
- And occurring each year for one thousand years.
I thought two moons questions are similar enough, but I haven't found a proper answer for myself.
Thank you!
space earth-like
edited 13 mins ago
Willk
113k27211472
asked 3 hours ago
shootshishootshi
283
New contributor
shootshi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
$begingroup$
Humans considered all celestial bodies to be going around the Earth until a chap named Copernicus (and some of his contemporaries) suggested otherwise. I doubt the size would make a difference or periodicity.
$endgroup$
– StephenG
2 hours ago
$begingroup$
Welcome to Worldbuilding.SE! We're glad you could join us! When you have a moment, please click here to learn more about our culture and take our tour. What do you mean by "occurring for 1,000 years"? Do you mean the moon is in the sky, visible and basically the same size, for a 1,000 year period, or that the inhabitants see it once every 1,000 years, like a comet?
$endgroup$
– JBH
2 hours ago
$begingroup$
@StephenG true, but not all of them were considered moons.
$endgroup$
– shootshi
2 hours ago
$begingroup$
@JBH thank you :) No, no, I want it to be much smaller to lessen the impact on the system. But what I mean is the ideal scenario for it to be visible once a year, each year, for 1,000 years.
$endgroup$
– shootshi
2 hours ago
$begingroup$
Thanks, please edit your question with the clarification. Never depend on people reading through the comments to find clarifications. Cheers!
$endgroup$
– JBH
1 hour ago
add a comment |
$begingroup$
Is there a possible scenario in which once a year a celestial body can be seen from the surface of the Earth-like planet for a short period of time?
- With it being big enough for early civilization to consider it a second moon but much smaller than the actual one.
- And occurring each year for one thousand years.
I thought two moons questions are similar enough, but I haven't found a proper answer for myself.
Thank you!
space earth-like
edited 13 mins ago
Willk
113k27211472
asked 3 hours ago
shootshishootshi
283
New contributor
shootshi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
Is there a possible scenario in which once a year a celestial body can be seen from the surface of the Earth-like planet for a short period of time?
- With it being big enough for early civilization to consider it a second moon but much smaller than the actual one.
- And occurring each year for one thousand years.
I thought two moons questions are similar enough, but I haven't found a proper answer for myself.
Thank you!
space earth-like
space earth-like
edited 13 mins ago
Willk
113k27211472
asked 3 hours ago
shootshishootshi
283
New contributor
shootshi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 13 mins ago
Willk
113k27211472
asked 3 hours ago
shootshishootshi
283
New contributor
shootshi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 13 mins ago
Willk
113k27211472
edited 13 mins ago
Willk
113k27211472
edited 13 mins ago
Willk
113k27211472
113k27211472
asked 3 hours ago
shootshishootshi
283
New contributor
shootshi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 3 hours ago
shootshishootshi
283
asked 3 hours ago
shootshishootshi
283
283
New contributor
shootshi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
shootshi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
shootshi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$begingroup$
Humans considered all celestial bodies to be going around the Earth until a chap named Copernicus (and some of his contemporaries) suggested otherwise. I doubt the size would make a difference or periodicity.
$endgroup$
– StephenG
2 hours ago
$begingroup$
Welcome to Worldbuilding.SE! We're glad you could join us! When you have a moment, please click here to learn more about our culture and take our tour. What do you mean by "occurring for 1,000 years"? Do you mean the moon is in the sky, visible and basically the same size, for a 1,000 year period, or that the inhabitants see it once every 1,000 years, like a comet?
$endgroup$
– JBH
2 hours ago
$begingroup$
@StephenG true, but not all of them were considered moons.
$endgroup$
– shootshi
2 hours ago
$begingroup$
@JBH thank you :) No, no, I want it to be much smaller to lessen the impact on the system. But what I mean is the ideal scenario for it to be visible once a year, each year, for 1,000 years.
$endgroup$
– shootshi
2 hours ago
$begingroup$
Thanks, please edit your question with the clarification. Never depend on people reading through the comments to find clarifications. Cheers!
$endgroup$
– JBH
1 hour ago
add a comment |
$begingroup$
Humans considered all celestial bodies to be going around the Earth until a chap named Copernicus (and some of his contemporaries) suggested otherwise. I doubt the size would make a difference or periodicity.
$endgroup$
– StephenG
2 hours ago
$begingroup$
Welcome to Worldbuilding.SE! We're glad you could join us! When you have a moment, please click here to learn more about our culture and take our tour. What do you mean by "occurring for 1,000 years"? Do you mean the moon is in the sky, visible and basically the same size, for a 1,000 year period, or that the inhabitants see it once every 1,000 years, like a comet?
$endgroup$
– JBH
2 hours ago
$begingroup$
@StephenG true, but not all of them were considered moons.
$endgroup$
– shootshi
2 hours ago
$begingroup$
@JBH thank you :) No, no, I want it to be much smaller to lessen the impact on the system. But what I mean is the ideal scenario for it to be visible once a year, each year, for 1,000 years.
$endgroup$
– shootshi
2 hours ago
$begingroup$
Thanks, please edit your question with the clarification. Never depend on people reading through the comments to find clarifications. Cheers!
$endgroup$
– JBH
1 hour ago
$begingroup$
Humans considered all celestial bodies to be going around the Earth until a chap named Copernicus (and some of his contemporaries) suggested otherwise. I doubt the size would make a difference or periodicity.
$endgroup$
– StephenG
2 hours ago
$begingroup$
Humans considered all celestial bodies to be going around the Earth until a chap named Copernicus (and some of his contemporaries) suggested otherwise. I doubt the size would make a difference or periodicity.
$endgroup$
– StephenG
2 hours ago
$begingroup$
Welcome to Worldbuilding.SE! We're glad you could join us! When you have a moment, please click here to learn more about our culture and take our tour. What do you mean by "occurring for 1,000 years"? Do you mean the moon is in the sky, visible and basically the same size, for a 1,000 year period, or that the inhabitants see it once every 1,000 years, like a comet?
$endgroup$
– JBH
2 hours ago
$begingroup$
Welcome to Worldbuilding.SE! We're glad you could join us! When you have a moment, please click here to learn more about our culture and take our tour. What do you mean by "occurring for 1,000 years"? Do you mean the moon is in the sky, visible and basically the same size, for a 1,000 year period, or that the inhabitants see it once every 1,000 years, like a comet?
$endgroup$
– JBH
2 hours ago
$begingroup$
@StephenG true, but not all of them were considered moons.
$endgroup$
– shootshi
2 hours ago
$begingroup$
@StephenG true, but not all of them were considered moons.
$endgroup$
– shootshi
2 hours ago
$begingroup$
@JBH thank you :) No, no, I want it to be much smaller to lessen the impact on the system. But what I mean is the ideal scenario for it to be visible once a year, each year, for 1,000 years.
$endgroup$
– shootshi
2 hours ago
$begingroup$
@JBH thank you :) No, no, I want it to be much smaller to lessen the impact on the system. But what I mean is the ideal scenario for it to be visible once a year, each year, for 1,000 years.
$endgroup$
– shootshi
2 hours ago
$begingroup$
Thanks, please edit your question with the clarification. Never depend on people reading through the comments to find clarifications. Cheers!
$endgroup$
– JBH
1 hour ago
$begingroup$
Thanks, please edit your question with the clarification. Never depend on people reading through the comments to find clarifications. Cheers!
$endgroup$
– JBH
1 hour ago
add a comment |
2 Answers
2
active
oldest
votes
$begingroup$
Yes. That would be a kind of quasi-satellite.
And Earth already has a small one - it's called Cruithne. At perigee, a larger Cruithne might well be visible, always in the same section of the sky.
A larger body would be less stable, but if you only need one thousand years, I think it could work out.
answered 2 hours ago
LSerniLSerni
28.3k24990
$endgroup$
add a comment |
$begingroup$
A comet could fill this role. Comets are notoriously bright.
https://en.wikipedia.org/wiki/File:Comet_P1_McNaught02_-_23-01-07.jpg
I like the tail but you could have your celestial body be made of something more solid, equally reflective, but not falling apart and leaving the tail.
Comets also have very elliptical orbits and visit infrequently. In this list of periodic comets, 3200 Phaeton has a period of 1.4 years - very short by comet standards.
https://en.wikipedia.org/wiki/3200_Phaethon
So: your second moon is a very bright short period comet. That seems plausible.
answered 43 mins ago
WillkWillk
113k27211472
$endgroup$
add a comment |
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2 Answers
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2 Answers
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$begingroup$
Yes. That would be a kind of quasi-satellite.
And Earth already has a small one - it's called Cruithne. At perigee, a larger Cruithne might well be visible, always in the same section of the sky.
A larger body would be less stable, but if you only need one thousand years, I think it could work out.
answered 2 hours ago
LSerniLSerni
28.3k24990
$endgroup$
add a comment |
$begingroup$
Yes. That would be a kind of quasi-satellite.
And Earth already has a small one - it's called Cruithne. At perigee, a larger Cruithne might well be visible, always in the same section of the sky.
A larger body would be less stable, but if you only need one thousand years, I think it could work out.
answered 2 hours ago
LSerniLSerni
28.3k24990
$endgroup$
add a comment |
$begingroup$
Yes. That would be a kind of quasi-satellite.
And Earth already has a small one - it's called Cruithne. At perigee, a larger Cruithne might well be visible, always in the same section of the sky.
A larger body would be less stable, but if you only need one thousand years, I think it could work out.
answered 2 hours ago
LSerniLSerni
28.3k24990
$endgroup$
Yes. That would be a kind of quasi-satellite.
And Earth already has a small one - it's called Cruithne. At perigee, a larger Cruithne might well be visible, always in the same section of the sky.
A larger body would be less stable, but if you only need one thousand years, I think it could work out.
answered 2 hours ago
LSerniLSerni
28.3k24990
answered 2 hours ago
LSerniLSerni
28.3k24990
answered 2 hours ago
LSerniLSerni
28.3k24990
answered 2 hours ago
LSerniLSerni
28.3k24990
28.3k24990
add a comment |
add a comment |
$begingroup$
A comet could fill this role. Comets are notoriously bright.
https://en.wikipedia.org/wiki/File:Comet_P1_McNaught02_-_23-01-07.jpg
I like the tail but you could have your celestial body be made of something more solid, equally reflective, but not falling apart and leaving the tail.
Comets also have very elliptical orbits and visit infrequently. In this list of periodic comets, 3200 Phaeton has a period of 1.4 years - very short by comet standards.
https://en.wikipedia.org/wiki/3200_Phaethon
So: your second moon is a very bright short period comet. That seems plausible.
answered 43 mins ago
WillkWillk
113k27211472
$endgroup$
add a comment |
$begingroup$
A comet could fill this role. Comets are notoriously bright.
https://en.wikipedia.org/wiki/File:Comet_P1_McNaught02_-_23-01-07.jpg
I like the tail but you could have your celestial body be made of something more solid, equally reflective, but not falling apart and leaving the tail.
Comets also have very elliptical orbits and visit infrequently. In this list of periodic comets, 3200 Phaeton has a period of 1.4 years - very short by comet standards.
https://en.wikipedia.org/wiki/3200_Phaethon
So: your second moon is a very bright short period comet. That seems plausible.
answered 43 mins ago
WillkWillk
113k27211472
$endgroup$
add a comment |
$begingroup$
A comet could fill this role. Comets are notoriously bright.
https://en.wikipedia.org/wiki/File:Comet_P1_McNaught02_-_23-01-07.jpg
I like the tail but you could have your celestial body be made of something more solid, equally reflective, but not falling apart and leaving the tail.
Comets also have very elliptical orbits and visit infrequently. In this list of periodic comets, 3200 Phaeton has a period of 1.4 years - very short by comet standards.
https://en.wikipedia.org/wiki/3200_Phaethon
So: your second moon is a very bright short period comet. That seems plausible.
answered 43 mins ago
WillkWillk
113k27211472
$endgroup$
A comet could fill this role. Comets are notoriously bright.
https://en.wikipedia.org/wiki/File:Comet_P1_McNaught02_-_23-01-07.jpg
I like the tail but you could have your celestial body be made of something more solid, equally reflective, but not falling apart and leaving the tail.
Comets also have very elliptical orbits and visit infrequently. In this list of periodic comets, 3200 Phaeton has a period of 1.4 years - very short by comet standards.
https://en.wikipedia.org/wiki/3200_Phaethon
So: your second moon is a very bright short period comet. That seems plausible.
answered 43 mins ago
WillkWillk
113k27211472
answered 43 mins ago
WillkWillk
113k27211472
answered 43 mins ago
WillkWillk
113k27211472
answered 43 mins ago
WillkWillk
113k27211472
113k27211472
add a comment |
add a comment |
shootshi is a new contributor. Be nice, and check out our Code of Conduct.
shootshi is a new contributor. Be nice, and check out our Code of Conduct.
shootshi is a new contributor. Be nice, and check out our Code of Conduct.
shootshi is a new contributor. Be nice, and check out our Code of Conduct.
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$begingroup$
Humans considered all celestial bodies to be going around the Earth until a chap named Copernicus (and some of his contemporaries) suggested otherwise. I doubt the size would make a difference or periodicity.
$endgroup$
– StephenG
2 hours ago
$begingroup$
Welcome to Worldbuilding.SE! We're glad you could join us! When you have a moment, please click here to learn more about our culture and take our tour. What do you mean by "occurring for 1,000 years"? Do you mean the moon is in the sky, visible and basically the same size, for a 1,000 year period, or that the inhabitants see it once every 1,000 years, like a comet?
$endgroup$
– JBH
2 hours ago
$begingroup$
@StephenG true, but not all of them were considered moons.
$endgroup$
– shootshi
2 hours ago
$begingroup$
@JBH thank you :) No, no, I want it to be much smaller to lessen the impact on the system. But what I mean is the ideal scenario for it to be visible once a year, each year, for 1,000 years.
$endgroup$
– shootshi
2 hours ago
$begingroup$
Thanks, please edit your question with the clarification. Never depend on people reading through the comments to find clarifications. Cheers!
$endgroup$
– JBH
1 hour ago