Questions tagged [space]
The near-vacuum extending between the planets and stars, containing small amounts of gas and dust. Also called outer space to refer to the physical universe beyond the Earth's atmosphere.
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Project Analog Hypothetical Planet
For my story Project Analog, I was wondering if a hypothetical planet (Let's call it Suria). It has the same size and conditions as Earth with the same axis, tilt, and rotation, as well as one moon. ...
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Are these craters on the moon during eclipse
can somebody confirm that what im looking at are craters on the moon? This was taken during the 2024 eclipse from illinois with my S24 ultra iso250 115mm -2.0ev F3.4 speed 1/10000. thanks
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Are spacecraft visits to Uranus and Neptune hard to plan?
Until today, Voyager 2 remains the only spacecraft to visit these planets. Are spacecraft visits to these planets hard to plan or develop?
anon
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Orion constellation shape
In textbook "Orion constellation the four bright stars appear to be arranged in the form of a quadrilateral" and I found in internet when I searched "Four stars Rigel, Betelgeuse, ...
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Voyager spacecraft distance from Earth
According with NASA JPL the earth catches up with the spacecraft because Earth is moving a lot faster than the spacecraft. Can one calculate the times when the spacecraft gets closest to Earth
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What makes space space?
Consider a situation where everything is removed from the Universe. All matter, all radiation, everything.
Only a completely black void would remain. But what is it? What is this empty "space&...
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Why is space having no atmosphere a good explanation for the Olber's paradox? [duplicate]
why is space dark? that is because there is no atmosphere to scatter the light.
why are we pretending that if we have had enough visible light from all those distant start, the space would light up. i ...
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How was this image of the faculae in the Occator crater obtained?
The picture in question (that I'm asking about) is at the bottom, of this post. Now, did they simply take a picture with reduced light intake? If so how much? 1/2, 1/4 or 1/8 or less? Or did they ...
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Asteroid in Deep Space 🌌
Suppose a asteroid in deep space and there is nothing around it to compare it with.
My question is how would you known that the asteroid is moving if there is nothing to compare it with
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How can Aggregation of Gravitational Fields of subplanetary solar objects improve our understanding of the motion of the planets?
If we imagine magnets on a table as a simplified analogy in regards to gravitational attraction between objects, then it may be demonstrated that when three objects are placed in a row labeled in ...
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Seeking Guidance & Tips for Collaboration on a Cosmological Project Involving Potential Energy Variation Due to Cosmic Expansion
I'm a student with a deep interest in cosmology and astrophysics. I've embarked on a project and am seeking some guidance, insights, or even ways that I could look for possible collaboration on this ...
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Which coordinate system should one use for simulating a spacecraft trajectory to the moon? [closed]
Which coordinate system is most suited for this type of problem? ecliptic? equatorial?
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Could the redshift of all incoming photons be explained by a massive ring of distant masses pulling the sources of the photons away?
ChatGPT and wikipedia have informed me that the primary evidence for the theory that the universe is expanding is the fact that photons that arrive to our planet from all directions are being ...
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Non-homogeneous and anisotropic metric and laws of physics...?
In this popular science article, they say that if our universe resulted to be non-uniform (that is highly anisotropic and inhomogeneous) then the fundamental laws of physics could change from place to ...
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Spacetimes where symmetries vary from place to place?
Are there spacetimes or metrics where symmetries (like Poincaré, Lorentz, diffeomorphism, translational... invariances) are only local and the symmetries of one local neighbourhood are not, a priori, ...
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