Questions tagged [space-telescope]
Questions regarding telescopes in orbit around Earth, such as the Hubble Space Telescope.
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How to find the minimum range at which some imaging payload/instrument can produce a clear image?
JWST's NIRCam can image deep sky objects so clearly. However if we notice the images of planets like Mars, Saturn or Saturn's's Moon-Titan, they don't appear to be much clear. Hence considering the ...
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Why don't they put more spare gyroscopes in expensive space telescopes?
I could be forgetting some, but every space telescope I can think of that has died, has died because it ran out of spare gyroscopes.
The Saturn Orbiter ran out of fuel, but it wasn't a space telescope....
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What is DESI's spatial resolution?
I'm using data from the Dark Energy Spectroscopic Instrument (DESI), and I need to check if its beam coincides with coordinates I've collected for objects in GALEX.
From the Fermilab conference ...
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How hard or soft is the Hubble's "science floor" due to atmospheric torque? Do some kinds of observations have lower floors than others?
After 04:58 in Scott Manley's How Failed Gyros Are Making Hubble's Life Harder:
And while the telescope is floating in space, it is still subject to small forces which can adjust its orientation. ...
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What is the "handful of observations of close fast moving objects that (Hubble) can't actually track anymore" due to the new one-gyro operation?
After 13:49 in Scott Manley's How Failed Gyros Are Making Hubble's Life Harder:
And so with all these systems working together, the telescope can still point at the target and still do top quality ...
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Difference in field of view between JWST and Euclid
I was watching this video about the Euclid telescope. At the 8 minute mark he compares the field of vide of Euclid with that of the JWST, showing that the Euclid field of view is much larger.
While I ...
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What was the exposure duration for the Euclid images released on May 23, 2024?
The Euclid space telescope, a mission by the European Space Agency to map the geometry of the dark universe, released its first set of images on May 23, 2024.
What was the total exposure time or ...
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Why does there appear to be a straight line of red stars in this image of the Large Magellanic Cloud?
In this image of the Large Magellanic Cloud from the Spitzer space telescope, there's a straight line of red stars in the bottom right corner (much easier to see if you go to the link and open the ...
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Worthwhile to put a telescope on the far side of the Sun?
Are there any plans to place a telescope satellites on the far side of the Sun at the L3 Lagrange point?
I think it would be useful for a number of reasons. It would cover our blind spot for incoming ...
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At the intersection of engineering and astronomy in its structure as a scientific discipline
Astronomy is the comprehensive study of what lies beyond the Earth. Modern astronomy (I relied on classifications from here and here) is divided into a large sections (astrophysics, astrogeology, ...
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Did anything happen to "hubble-class" telescopes military gifted to NASA in 2012?
I stumbled onto this news article from 2012 discussing NRO (national reconnaissance office) giving its surplus unlaunched spy satellites over to NASA (with a lot of caveats)
It's been 11 years since ...
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Space-based radio telescope array
I���m wondering about the abilities of a technology: You may have heard of the Square Kilometer Array. The array is focused by adjusting the timing of the individual antennas.
Q: Could this array be ...
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What kind of telescope would be needed to image a 10m dim object 1 million km away?
There's a 10m diameter object 1 million km away from you, stationary with respect to you. The object is dim: it is at 3K and is not reflecting any light towards you. So you have to pick it out by the ...
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Formation of spacecraft instrumentation [closed]
List of spacecraft instruments are selected to meet a mission's science goals.
Let's take New Horizons as an example and study the composition of Pluto's atmosphere, the shape and geological ...
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How (the heck) does an astronomical Celescope work? And how did it get its name?
Here's an exceprt from the recent question
The claim may refer to the band labeled U4 in the Celescope Catalog of Ultraviolet Stellar Observations, which refers to a filter with a spectral response ...
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