File:Mars Is Mighty in First Webb Observations of Red Planet - 52368008867.png
Original file (3,840 × 2,500 pixels, file size: 393 KB, MIME type: image/png)
Captions
Summary
[edit]DescriptionMars Is Mighty in First Webb Observations of Red Planet - 52368008867.png |
English: This spectrum, its first of Mars, combines data measured by Webb’s NIRSpec instrument, and shows the signatures of water, carbon dioxide and carbon monoxide in Mars’ atmosphere! The data also gives us information about the planet’s dust, clouds, rocks and more. Spectra like this one are created when light is split apart into its components.
Read more: blogs.nasa.gov/webb/2022/09/19/mars-is-mighty-in-first-we... More detail: Webb’s first near-infrared spectrum of Mars, captured by the Near-Infrared Spectrograph (NIRSpec) Sept. 5, 2022, as part of the Guaranteed Time Observation Program 1415, over 3 slit gratings (G140H, G235H, G395H). The spectrum is dominated by reflected sunlight at wavelengths shorter than 3 microns and thermal emission at longer wavelengths. Preliminary analysis reveals the spectral dips appear at specific wavelengths where light is absorbed by molecules in Mars’ atmosphere, specifically carbon dioxide, carbon monoxide, and water. Other details reveal information about dust, clouds, and surface features. By constructing a best-fit model of the spectrum, by the using, for example, the Planetary Spectrum Generator, abundances of given molecules in the atmosphere can be derived. Credit: NASA, ESA, CSA, STScI, Mars JWST/GTO team Image description: mage Description: Graph titled “Mars Atmosphere Composition,” showing data from Webb’s NIRSpec instrument, Fixed Slit Spectroscopy mode. The x-axis is “Wavelength of Light” in microns, ranging from 1.0 to 5.0. The y-axis shows “Brightness of Light (reflected and emitted),” and from bottom to top it goes from dimmer to brighter. Data is represented by a white line with dynamic peaks and dips, both big and small. A purple best-fit line is overlaid on top of the white line. In general, the line starts high, dips (with especially low valleys around 2.75 microns and 4.3-4.4 microns), then rises back up starting around 4.5 microns. Several signatures of molecules can be found in the data, including 5 instances of carbon dioxide (highlighted as yellow vertical stripes on the chart), 1 instance of carbon monoxide (highlighted as a thick red stripe beyond 4.5 microns), and 1 instance of water (highlighted as a thin blue stripe beyond 2.5 microns). The background is a Mars “heat map” taken by Webb’s NIRCam. |
Date | |
Source | https://www.flickr.com/photos/nasawebbtelescope/52368008867/ |
Author | NASA's James Webb Space Telescope |
Other versions |
|
Licensing
[edit]- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
This image was originally posted to Flickr by James Webb Space Telescope at https://flickr.com/photos/50785054@N03/52368008867. It was reviewed on 19 September 2022 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
19 September 2022
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 18:10, 19 September 2022 | 3,840 × 2,500 (393 KB) | Erick Soares3 (talk | contribs) | Uploaded a work by NASA's James Webb Space Telescope from https://www.flickr.com/photos/nasawebbtelescope/52368008867/ with UploadWizard |
You cannot overwrite this file.
File usage on Commons
The following 2 pages use this file:
Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Horizontal resolution | 28.34 dpc |
---|---|
Vertical resolution | 28.34 dpc |