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2020 May 20
Moon, Mars, Saturn, Jupiter, Milky Way
It is not a coincidence that planets line up.
That's because all of the planets orbit the Sun
in (nearly) a single sheet called the plane of the ecliptic.
When viewed from inside that plane --
as Earth dwellers are likely to do --
the planets all appear confined to a single band.
It is a coincidence, though, when three of the brightest planets
all appear in nearly the same direction.
Such a coincidence was captured about a month ago.
Featured above, Earth's Moon, Mars, Saturn, and Jupiter were all imaged together,
just before sunrise, from the Black Sea coast of Bulgaria.
A second band is visible diagonally across this image --
the central band of our Milky Way Galaxy.
If you wake up early,
you will find that these same planets
remain visible in the morning sky this month, too.
Tomorrow's picture: and Venus
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Not a photography, even better:
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Hubble Captures Crisp New Image of Jupiter and Europa
17 September 2020
A unique and exciting detail of Hubble’s new snapshot appears at mid-northern latitudes as a bright, white, stretched-out storm moving at 560 kilometres per hour. This single plume erupted on 18 August 2020 and another has since appeared.
While it’s common for storms to pop up in this region, often several at once, this particular disturbance appears to have more structure behind it than observed in previous storms. Trailing behind the plume are small, counterclockwise dark clumps also not witnessed in the past. Researchers speculate this may be the beginning of a longer-lasting northern hemisphere spot, perhaps to rival the legendary Great Red Spot that dominates the southern hemisphere.
https://www.spacetelescope.org/news/heic2017/
POUR UNE HISTOIRE DÉBARRASSÉE DES NOMBREUX MENSONGES
Vincent Reynouard: Je suis ingénieur chimiste et historien révisionniste français. J’expose de la façon la plus pédagogique possible les arguments révisionnistes. Je propose, j’expose, je n’impose rien. Chacun doit (ou devrait) être libre de se faire une opinion sur le sujet. .
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A NASA camera aboard the Deep Space Climate Observatory (DSCOVR) satellite captured a unique view of the moon as it moved in front of the sunlit side of Earth last month. The series of test images shows the fully illuminated “dark side” of the moon that is never visible from Earth.
The images were captured by NASA’s Earth Polychromatic Imaging Camera (EPIC), a four megapixel CCD camera and telescope on the DSCOVR satellite orbiting 1 million miles from Earth. From its position between the sun and Earth, DSCOVR conducts its primary mission of real-time solar wind monitoring for the National Oceanic and Atmospheric Administration (NOAA).
EPIC maintains a constant view of the fully illuminated Earth as it rotates, providing scientific observations of ozone, vegetation, cloud height and aerosols in the atmosphere. Once EPIC begins regular observations next month, the camera will provide a series of Earth images allowing study of daily variations over the entire globe. About twice a year the camera will capture the moon and Earth together as the orbit of DSCOVR crosses the orbital plane of the moon.
These images were taken between 3:50 p.m. and 8:45 p.m. EDT on July 16 2015, showing the moon moving over the Pacific Ocean near North America. The North Pole is in the upper left corner of the image. It is in the original orientation as taken by the spacecraft.
The lunar far side lacks the large, dark, basaltic plains, or maria, that are so prominent on the Earth-facing side. The largest far side features are Mare Moscoviense in the upper left and Tsiolkovskiy crater in the lower left. A thin sliver of shadowed area of moon is visible on its right side.
“It is surprising how much brighter Earth is than the moon," said Adam Szabo, DSCOVR project scientist at NASA’s Goddard Space Flight Center in Greenbelt, Maryland. "Our planet is a truly brilliant object in dark space compared to the lunar surface.”
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POUR UNE HISTOIRE DÉBARRASSÉE DES NOMBREUX MENSONGES
Vincent Reynouard: Je suis ingénieur chimiste et historien révisionniste français. J’expose de la façon la plus pédagogique possible les arguments révisionnistes. Je propose, j’expose, je n’impose rien. Chacun doit (ou devrait) être libre de se faire une opinion sur le sujet. .
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