Questions tagged [imaging]

Questions regarding visual impressions of objects or instruments used to capture visual impressions.

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1answer
77 views

What's going on with the OSIRIS-REx sample caption video that's circulating on twitter?

Nasa footage is available here: https://svs.gsfc.nasa.gov/13744 The first series ("Movie 1") shows a lower frame rate followed by what seems like a continuous, rapid collection of images. In ...
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Which spacecraft far from Earth have arc second resolution cameras that could measure Betelgeuse's position?

All hands on deck! We have to measure the distance to Betelgeuse ASAP because Recent headlines saying that Betelgeuse is much closer than we thought, and they point to Standing on the Shoulders of ...
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Was a “spare LORRI” camera available to take matching image on Earth the same time New Horizons took the parallax image from the Kuiper belt?

It doesn't have to be the source of the "Earth" image used to demonstrate parallax, I only want to know if a spare, prototype, or reference LORRI camera system was potentially available for ...
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Earth’s Orbit speed and apparent motion question

Earth travels around the Sun at 67,000 mph. Hypothetically if it was possible to be in Space in a ship or Space walk and be at a complete stop and stationary outside of Earth’s orbit and not affected ...
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Why was the imaging quality of the Voyager probes *much* better than the Pioneer probes despite being launched only 5 years later?

Pioneer 10 and 11 launched in 1972 and 1973, respectively, whereas both Voyager probes launched in 1977. I do expect the imaging quality to improve in 5 years but the difference is a bit too much. ...
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132 views

How (the heck) does SOHO's SWAN camera image the entire 4π sr celestial sphere?

Comet C/2020 F8 (SWAN) discussed in Astronomy SE: How is Comet SWAN C/2020 F8 doing? Will it become easily visible by eye? Why is SWAN dimming? was discovered by humans but using the SWAN camera on ...
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127 views

Do we know what is the approximate size of this object on Pluto's surface?

Reportedly this object has been captured on Pluto's surface. Which mission does this image originate from and can we estimate its size?
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Is this digitally created ESA image of a Mars landscape incorrect to what the human eye would see?

This ESA image below of Noctis Labyrithus was created with data obtained from the High-Resolution Stereo Camera (HRSC), onboard ESA’s Mars Express, seems to depict a time near either sunrise or sunset....
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Did any lander or rover photograph the sun rising or setting during a Martian dust storm?

Mars Pathfinder photographed the setting sun, and University of Arizona Mars Pathfinder Imaging Team produced color corrected images (as they would appear to the human eye) like these This is a ...
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Are there any photo(s) of International Space Station (ISS) captured from above its altitude? [duplicate]

Are there any attempts made to capture an image of the whole ISS in one take? Or is it not currently practically possible? If Soyuz, SpaceX Dragon, etc. have cameras installed on them, images can be ...
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314 views

Could the James Webb Space Telescope detect chlorophyll on a exoplanet?

Say there's an exoplanet identical to Earth 20 light years away, and also assume it orbits at an angle so that it transits its star when seen from our solar system. Would the JWST be able to detect ...
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115 views

Mars twilight photos

From the file:PIA19401-MarsCuriosityRover-GaleCrater-Sunset-Animation-20150415.gif Of the four images below from the gif, one of them depicts twilight. Were there anymore twilight images in this ...
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Why is there no image of the Earth taken from the lunar surface during Apollo 12,15 and 16?

I know there are photographs of the Earth from the lunar surface taken during Apollo 11, 14 and 17. Here are some for reference (there are many for Apollo 17). Apollo 11 (AS11-40-5923): Apollo 14 (...
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Are Longjiang 1 and 2 the only spacecraft to image the far side of the Moon in a single frame with detail?

The image below, found in Was this the first-ever photo of a full moon very close to lunar new year? (and used here also) where it was credited to New photo of Lunar farside and Earth was taken by the ...
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286 views

Why are the poles of the Moon in Google Earth so different from other regions?

I am well aware of the fact that the poles of the Moon are different from the rest of the regions in many ways. But in Google Earth's Moon, the poles are so different from what we would see if we were ...
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Could the bright spot on the image captured by Curiosity have been caused by a data transmit or storage failure?

The image above, one of a total of 21 images shot over a 4 minutes span, was captured by Curiosity on June 16,2019 or sol 2438 on Mars. Only in this image a bright spot shows up, while the next and ...
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Why would thermal imaging be used to locate the Chandrayaan-2 lander?

Tweets and news suggest that Chandrayaan-2 lander may have been located, using thermal imaging by the Chandrayaan-2 orbiter. Space.com: India Just Found Its Lost Vikram Lander on the Moon, Still No ...
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Solar system sized telescope and resolving details of the M87 black hole

In this video Katie Bouman mentions that an earth sized telescope needs to be used for getting images like the M87 Black Hole: Stellar distances are estimated using ...
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Where exactly on Mars was Curiosity when this image was taken?

The BGR article NASA’s Curiosity rover saw something flash on Mars, and people are freaking out is one of many nearly identical clickbait articles about a recent image that contains a bright spot. ...
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Separating fact from fiction, how to get from this radar image to this GIF?

The NBC News article Mile-wide asteroid and its tiny moon to zoom past Earth this weekend; Dubbed 1999 KW4, the "binary" space rock will skim past our planet harmlessly at a distance of 3 million ...
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Why was the image sensor design for Juno so… odd? [duplicate]

I attended the North Eastern Astronomy Forum this year and one of the speakers was mentioning that JunoCam will not be working because of the angle of the spacecraft. He was giving a lecture on what ...
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Have optical zoom systems been used in space exploration?

Here, 'optical zoom' means an optical system that changes magnification (angle subtended per pixel). It would not mean for example switching from one camera to another on Hubble, or changing to ...
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What can cause grooves (stairs like) features on Mars's ground that is opposite to water flow direction?

Looking at an image taken by Mars Odyssey THEMIS (Thermal Emission Imaging System) camera of an unnamed crater in Aonia Terra region I noticed what looks like grooves or ridges that resemble a stair ...
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What spacecraft components are in the foreground of this image of the Earth and Moon? What is the camera inside of?

This tweet shows the image below, and says: Finally, some images from Queqiao, the relay satellite for the Chang'e-4 far side mission, showing the Earth and Moon! Queqiao is in a halo orbit at a ...
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357 views

Colors of the Moon totally different in the pictures taken by Chang'e-4 in comparison with the Apollo photos. Why?

None of the pictures taken by Chang'e-4 Chinese lunar probe (see the attached images) in January 2019 have colors similar to the photos taken by Armstrong, Aldrin and the other 10 astronauts. The ...
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562 views

What angular resolution is expected during New Horizon's flyby of Ultima Thule?

Ultima Thule is thought to be about 20 miles (30 km) across. However, I can't seem to find any information about approach distance or typical image resolution of New Horizons in regards to this second ...
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3answers
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Examples of gamma ray or X-ray imaging of small planets, moons, or asteroids, or at least how to calculate intensity thereof?

Have any spatially resolved measurements of gamma rays or X-rays from medium and small solar system bodies been collected from space? These might be planets, moons, or asteroids for example, but ...
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How good are Lucy's cameras? Improvements since New Horizons?

In the question Where is Lucy going? (asteroid mission) I've asked for more clarification on the trajectory of the Lucy mission's trajectory. I believe that Lucy will simply do a close fly-by of each ...
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How did Skylab's electrographic ultraviolet camera work?

This answer links to history.nasa.gov's SP-404 Skylab's Astronomy and Space Sciences. In what looks like chapter 2, page 14 there is mention of Skylab's electrographic camera, shown below. In the ...
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Were panoramic images taken during Apollo 15 planned and trained before on Earth?

I followed a link in an answer to the question about stereoscopic images and found a long list with panoramic images composed from images shot with the lunar Hasselblad cameras. For instance the ...
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Technical challenges to improving resolution of lunar orbit imaging by using solar UV light?

@Uwe's question and answer seem to illustrate that the resolution of surface-imaging spacecraft orbiting around the Moon has not dramatically improved over the decades, and that this is pretty-much ...
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166 views

Which one of these (if any) is the Moon? What are the rest?

I frequently see the Moon in SpaceX videos, "I suspect" the frequency is higher than random, but can't prove it (yet!) I found the SpaceX video Falling Back to Earth | HD Footage From Space (also ...
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1answer
190 views

What causes Hyabusa-2's close-up images of Ryugu to be dark in the corners?

The NYTimes' article Hayabusa2 Prepares to Drop Rovers on Asteroid Ryugu says Sept. 19 Rock Hoppers Hayabusa2 is preparing to deploy two small rovers this week, each about 7 inches wide. Ryugu’s ...
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116 views

How can we see RemoveDebris capturing a satellite with a net?

The BBC's RemoveDebris: UK satellite nets 'space junk' says: The aptly named RemoveDebris satellite took a video of its net experiment. The short sequence shows a small, shoebox-sized object tumbling ...
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510 views

What causes these cross-shaped artifacts in TESS' first images?

TESS has a group of four wide field cameras each with four large CCD imagers that will collect photometric data at a relatively high cadence, and therefore generate a ton of data. above: "TESS (...
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113 views

Comparison of Lunar Orbiters image resolution after 4 decades?

The Lunar Orbiters, LO were launched 1966 and 1967. The Lunar Reconnaissance Orbiter, LRO was launched more than 40 years later in 2009. This paper has some information about the narrow angle camera ...
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This image of the Space Shuttle is truly beautiful, but is it real?

I saw this image in the Infobae article La NASA probará un paracaídas para posar naves espaciales en Marte ("NASA will test a parachute to place spaceships on Mars"). The image looks plausible to me, ...
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Better source for the 1967 photograph of Surveyor-1 by Lunar Orbiter-3?

In 1969 Apollo-12 Lunar Module pilot Alan L. Bean photographed Apollo 12 Commander Charles "Pete" Conrad Jr. standing next to Surveyor-3 because despite all of NASA's technological innovation that had ...
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253 views

How does one get Context Camera (CTX) images from Mars with certain identification numbers?

According to Wikipedia the Context Camera(CTX) on board of the Mars Reconnaissance Orbiter had already mapped 50% of Mars by Februari 2010. Should it not have to be possible to get access to all these ...
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319 views

What is happening in this photo of a glowing plume behind STS-70 and how was it taken?

A recent tweet by @NASASpaceflight about STS-70 deployment of TDRS-G (TDRS-7) says: STS-70 - Shuttle Discovery - Launched 13 July 1995 from KSC 39B. Terence T. Henricks commanded her 21st launch and ...
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How was “toolbag-sat” imaged in space? (from Scott Manley's video)

In Scott Manley's video Could An Astronaut Throw Something From Orbit To Earth? at about 02:00 he includes a sequence of images that shows the famous tool bag that ...
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220 views

MarCo, Polo? Any further news, or images, or transmissions from the MarCo deep space cubesats?

Edit: Two more months have gone by since I posted this question. Can there still be no news? Nothing for the two MarCo cubesats to take photos of; not even each other? While InSight is still "...
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How does a spacecraft like Worldview-3 manage 29 different spectral bands? One giant filter wheel, or…?

@Jack's answer mentions 29 separate spectral bands for the Worldview-3 satellite, and that these are implemented using filters. Is there one giant 29+ position filter wheel incorporated into a single ...
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Why are the gaps in MRO global images of mars so irregular and sometimes filled in?

Moderate Resolution Imaging Spectroradiometer (MODIS) images of Earth snow nice, regular repeating gaps in longitude where the viewing angle is too far for a given pass. But the large GIF shown in ...
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What are these bright streaks in MODIS Earth images? Why are they shaped this way?

The Moderate Resolution Imaging Spectroradiometer (MODIS) aboard the Aqua (EOS PM-1) satellite generates images of most of the Earth each day, though there are small gaps near the equator where the ...
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213 views

What is synthetic tracking, and why would a 35 cm Earth imager be 10-30x better than Pan-STARRS or LSST for interstellar asteroid discovery?

The ArXiv preprint Technical Note: Asteroid Detection Demonstration from SkySat-3 B612 Data using Synthetic Tracking is an interesting read! The abstract says: We report results from analyzing the ...
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582 views

How to use this Google Mars viewer to find this Martian landslide event?

This NASA/University of Arizona HiRise tweet shows this interesting image of a meteor impact crater that triggered a landslide (or maybe a "dust-slide") on Mars. The tweet links to this University of ...
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Hovering Carbonite! Why do these satellite videos of Earth appear to be made from a geostationary location?

The BBC News article UK satellite makes HD colour movies of Earth has led me to a series of YouTube videos as well recorded by the Carbonite-2 spacecraft built by Surrey Satellite Technology to be ...
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What information exactly was necessary to determine and announce this “debris causing event”?

A 1:53 PM - 19 Jul 2016 tweet from the twitter account @18SPCS said: 19 Jul: JSpOC ID’d debris causing event related to @DigitalGlobe WorldView-2; 8 debris pieces but WV2 confirmed operational & ...
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1answer
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Stripe of high def imagery on Google Moon

When messing around with Google Earth's Moon and Mars features I noticed that the lunar imagery used is mostly homogeneous except for a large stripe across its' surface. See Image: This "stripe" also ...