Questions tagged [movement]
The movement tag has no usage guidance.
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How are galaxies moving so much and why are they moving? [closed]
I don't understand and I haven't understood for a while.
How is it that all the galaxies in the universe are moving, how they are moving and how fast?
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Why aren't planetary bodies static? [duplicate]
Why are planets moving in the first place? Gravity causes them to orbit, but why move at all?
note: this is not a question on why planets orbit each other, I know the reason for that is gravity. ...
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Inverse of the sunrise equation - finding locations with a given sunrise time on a given day
I'm working on a project for fun where I represent some sleep data geographically. For a given day, I have a date, a time for falling asleep that night, and a time for waking up the next day. The idea ...
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In 31.5kyr, Epsilon Eridani and Luyten 726-8 will be < 1ly close; but how distant from the Solar system?
Greetings! Based on Wikipedia and more precisely this paper, it is said that, in about 31,500 years, the stars Epsilon Eridani and Luyten 726-8AB will "meet" at a very close distance (less than 1 ...
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Why does mass naturally move closer toward's the center of other masses?
If general relativity is understood to mean that mass curves space such that objects are still traveling in a straight line, why does mass naturally move closer toward's the center of other masses?
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Are there good animations of the movement of proximate stars over long time periods?
After reading about Barnard's Star and how it's approaching us 140 km/sec, I'm curious if there are any visualizations of how the nearest stars to Sol will be moving over the next 100k years or so.
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What exactly is 'eastward movement'
I am reading a book on spherical astronomy. Surprisingly, my problem is not with the mathematics. The author mentions several times words like 'eastward movement' and 'westward movement'. For example, ...
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Does the Sun move? [duplicate]
I'm curious; does the Sun actually move? The concept behind the question is that if you wear a shirt and you move, does the shirt actually move? The Solar System orbits around the Milky Way, but does ...
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Why can't we determine the center of the universe [duplicate]
I find this baffling. If we can observe objects moving away from us and each other, than it stands to reason that we can track their paths (relative to each other and ourselves) backward to find a ...
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How often do stars pass within 1 light year of the Sun?
Interstellar exchange of massive objects is difficult across several light years. But as the stars orbit the galaxy the distances between them change. I don't find data for neighbor star distances ...
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Motion of rogue planets
Two Questions:
1) Are rogue planets in motion, i.e. are they just wandering freely in space or stationary?
1) Do rogue planets have defined path or a one which can be anticipated? I understand that ...
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How fast do we travel through space?
Could someone give the rough estimates of speeds of our travel through space?
I can easily find the two nearby ones:
Earth's own rotation - depending on latitude, up to 40,075 km/24h = 463 m/s
Earth'...
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