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June 25, 2025
DSCOVR/EPIC captures images of the near (Fig. 1) and far sides of the Moon in the multiple UV-VIS-NIR wavelengths. Images of the Moon taken by EPIC can be treated as scientific data with a unique set of characteristics:
- They were acquired under full-disk illumination of the Moon.
- They were taken at 10 wavelengths — from UV (317 nm) to NIR (780 nm).
- At each wavelength the entire lunar disk is imaged simultaneously.
- The images can be oversampled to reduce noise levels and increase spatial resolution.
These features of the lunar images allow the creation of high-quality maps of the far and near sides of the Moon in 10 quasi-monochromatic wavelengths. The maps will serve as a reference point for comparison with data from other satellites in lunar orbit. Multispectral images of the Moon reveal a significant mineralogical difference between the nearside (Fig. 2) and the farside (Fig. 3) of the Moon and an increased concentration of ilmenite (a titanium-iron oxide mineral, FeTiO3) on the nearside of the Moon, particularly in the Sea of Tranquility (Fig. 4).
Figure 1. A unique photo taken by EPIC: the full Moon setting behind the Earth on September 27, 2015, just before the total lunar eclipse that occurred the following day — September 28, 2015.
Figure 2. Backside of the Moon.
Figure 3. LRO/LROC wide area camera (WAC) false-color synthetic image (i.e., mosaic using 320nm, 415 nm, 689 nm) (https://www.lroc.asu.edu/images/223). The bluish color area of the Sea of Tranquility indicates a high titanium content in ilmenite (FeTiO3). The image contrast has been enhanced. (b) EPIC map of the reflectivity ratio (340 nm)/(551 nm). The distribution of this ratio closely matches the titanium distribution on the LROC map. The EPIC map is slightly rotated for comparison with the LROC map.
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May 11, 2025
As the Moon slipped behind Earth, DSCOVR's EPIC camera, parked 1.5 million km away at the Sun-Earth L1 point, caught something you can't see from home: a razor thin "crown" of light where our planet and its companion seem to meet. This glow isn't a camera glitch; it's a deep-space mirage. The unique angles at which EPIC images the Earth, plus layers of warm-and-cool air high in the atmosphere bend sunlight much like a fun-house mirror, lifting and stretching the Moon's edge into a delicate flange that has been nicknamed "Gaia's Crown."
Because the effect is very faint, an extra-strong gamma correction has been applied to these images to brighten it so it can be seen. Look closely along the horizon, where the ocean fades into space, and you'll see the Moon perched on a faint pedestal of light. These images were taken with EPIC's 780nm wavelength, near-infrared filter, which provides the best view of the event.
EPIC sees this illusion only a few times a year, and only from its distant vantage. Satellites in low-Earth or even geostationary orbit view the scene from steeper angles and miss the refracted rays that create the crown. For them, the atmosphere compresses the Moon, creating a "squashed" effect. Enjoy this rare glimpse of our atmosphere acting as a giant lens, reminding us that even familiar sights can still surprise from a new perspective.
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May 11, 2024
Solar energetic particles (SEPs) seen in a DSCOVR EPIC 340nm image during the May 11th, 2024 solar storm. These charged particles leave trails of energy as they pass through EPIC's CCD detector, brightening the pixels they come in contact with. Although these particles leave small "fireworks" in the images, they cause no lasting problems with the instrument.
April 08, 2024
On April 8th, 2024, DSCOVR EPIC captured the total solar eclipse over North America.
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November 21, 2023
SO2 mass from the Ulawan eruption on 11/20 and 11/21 2023.
The green contours show airborne volcanic ash (VA) as qualitative UV Aerosol Index (1 to 10), which is proportional to ash concentration and height. Most of the VA falls out near the volcano, but some fine ash fraction is transported together with SO2 gas by upper tropospheric winds away from the volcano and poses a danger to aircraft.
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June 06, 2023
Transport of smoke Plume from Canadian wildfires over the periods of May 9 to 13 and June 3 to June 6, 2023 as detected by EPIC's UV Aerosol Index.
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December 07, 2022
These images, captured by the EPIC instrument on the DSCOVR satellite, show the Earth 50 years after the famous "blue marble" photograph taken by the Apollo 17 mission in 1972. The “blue marble” photo, the first true-color image of the fully-illuminated Earth captured from space, became an iconic symbol of our planet and the environmental movement.
This set of images was taken starting on December 7th, 2022, at 7:39 UTC at 15-minute intervals, with the last image being at 10:39 UTC – the same time that the original “blue marble” photo was taken. The variation in the appearance of Africa is due to the different perspectives from which the images were taken: the Apollo image was taken much closer to the Earth, at 18,000 miles, so less of the disk was visible compared to EPIC’s view from almost a million miles away.
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March 21, 2022
High time cadence (20 minutes) RGB images of Earth on March 21, 2022 during the Spring equinox.
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December 04, 2021
On Dec. 4, 2021, EPIC imaged a rare total solar eclipse in Antarctica from 1 million miles away. Click to see the full sized image.
February 11, 2021
On February 11th, 2021, the moon again passed between DSCOVR and the Earth. EPIC snapped these images over a period of about 3 hours. In this set, the far side of the moon, which is never seen from Earth, passes by. In the backdrop, Earth rotates over Australia and the Pacific, gradually revealing Asia.
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October 02, 2020
On October 02, 2020, DSCOVR caught the moon passing behind Earth. EPIC snapped these images over a period of about 6 hours.
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September 12, 2020
Visible-light and ultraviolet images show the progression of the smoke from the historic wildfires on the west coast of the United States from Sept. 9–12.
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June 21, 2020
On June 21, 2020, DSCOVR EPIC captured an annular solar eclipse over Asia.
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April 21, 2018
Panel 1: On April 21st, 2018, DSCOVR EPIC observed a bright glint from the smooth water surface at the Arabian Sea. Panel 2: On July 4, 2018, DSCOVR EPIC captured a sun glint from ice clouds over Mexico. Panel 3: On August 5, 2018, DSCOVR EPIC observed a sun glint from ice clouds over Thailand. Panel 4: On September 9, 2018, DSCOVR EPIC captured a sun glint from ice clouds over South Sudan. The glints appear blue on the east side and red on the west side because EPIC uses a filter wheel and captures the red component of the image slightly later than the blue component—and during the time in between, the Earth’s rotation shifts the position of the glint to the west. (See Fig. 6 at https://epic.gsfc.nasa.gov/about/epic for an image of EPIC’s filter wheel.)
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August 21, 2017
On August 21st, 2017, DSCOVR EPIC captured a total solar eclipse over North America.
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May 15, 2017
Parked in space a million miles from Earth, the Earth Polychromatic Imaging Camera (EPIC) onboard the Deep Space Climate Observatory (DSCOVR) captures glimmers of reflected sunlight, evidence of ice crystals in the atmosphere.
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February 26, 2017
On February 26th, 2017, DSCOVR EPIC captured an annular solar eclipse over South America.
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July 05, 2016
July 05, 2016. On July 5th, 2016, the moon again passed between DSCOVR and the Earth. EPIC snapped these images over a period of about 4 hours. In this set, the far side of the moon, which is never seen from Earth, passes by. In the backdrop, Earth rotates, starting with the Australia and Pacific and gradually revealing Asia and Africa.
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March 15, 2016
On March 15, 2016, over a span of 5 hours, DSCOVR EPIC imaged Jupiter. This activity was done for purposes of instrument characterization, but also provides a unique view of our solar system's largest planet and its moons. Because of the long time span and the techniques required to do the imaging, it was not possible to do regular color images. Instead, the color information was extracted from the relevant bands and applied to the 443nm (blue) channel in order to provide the colorized rendition. Below is the labeled version of the colorized 443nm band, the original 443nm band, and the unlabeled colorized 443nm band.
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March 09, 2016
A total solar eclipse starting on March 9 00:15 UTC and ending on March 9 03:38 UTC was visible only from the South Pacific. The DSCOVR EPIC camera was following the shadow cast by the moon on Earth during this time from its vantage point at the Sun-Earth first Lagrange point. Note that the total eclipse is limited to the center black area of the shadow. The outer regions experienced a partial eclipse with a portion of the sun’s disk always visible. Hence some surface features and clouds can be identified.
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September 27, 2015
Video of the lunar occlusion event as captured by NASA’s Earth Polychromatic Imaging Camera (EPIC).
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July 16, 2015
Reprocessed images and movie of the transit of the moon in front of the full sunlit disk of Earth captured by NASA’s Earth Polychromatic Imaging Camera (EPIC) on board NOAA’s Deep Space Climate Observatory (DSCOVR) on July 16, 2015. The transit lasted from 16:30 EDT to 20:10 EDT. Since DSCOVR is not exactly on the Sun-Earth line, this event is not a solar eclipse.
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July 06, 2015
Reprocessed version of the first light image of North and Central America made by the DSCOVR EPIC camera on July 6, 2015. Clouds cover most of the hemisphere. The central turquoise areas are shallow seas around the Caribbean islands. The brighter circular area in the image’s center is caused by sun light reflected from the ocean surface (sun glint).