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--- blog:aardvaark:iotd [2020/06/28 08:40] – external edit
+++ blog:aardvaark:iotd [2025/04/30 04:59] (current) – external edit 127.0.0.1
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 ~~NOCACHE~~
 ====== NASA Image of the Day ======
-Date: **Sun 28th June, 2020**\\
+Date: **Wed 30th April, 2025**\\
-Title: **Europa and Jupiter from Voyager 1**
+Title: **A Happy Sky over Bufa Hill in Mexico**
 === ===
-What are those spots on Jupiter? Largest and furthest, just right of center, is the Great Red Spot -- a huge storm system that has been raging on Jupiter possibly since Giovanni Cassini's likely notation of it 355 years ago.
+Sometimes, the sky itself seems to smile.
-It is not yet known why this Great Spot is red. The spot toward the lower left is one of Jupiter's largest moons: Europa. Images from Voyager in 1979 bolster the modern hypothesis that Europa has an underground ocean and is therefore a good place to look for extraterrestrial life. But what about the dark spot on the upper right? That is a shadow of another of Jupiter's large moons: Io. Voyager 1 discovered Io to be so volcanic that no impact craters could be found.
+A few days ago, visible over much of the world, an unusual superposition of our Moon with the planets Venus and Saturn created just such an iconic facial expression. Specifically, a crescent Moon appeared to make a happy face on the night sky when paired with seemingly nearby planets.
-Sixteen frames from Voyager 1's flyby of Jupiter in 1979 were recently reprocessed and merged to create the featured image.
+Pictured is the scene as it appeared over Zacatecas, México, with distinctive Bufa Hill in the foreground.
-About 43 years ago, Voyager 1 launched from Earth and started one of the greatest explorations of the Solar System ever.
+On the far right and farthest in the distance is the planet Saturn.
-  Free Download: Voyager Posters
+Significantly closer and visible to Saturn's upper left is Venus, the brightest planet on the sky.
-[[https://apod.nasa.gov/apod/image/2006/EuropaJupiter_Voyager_2792.jpg|{{https://apod.nasa.gov/apod/image/2006/EuropaJupiter_Voyager_960.jpg?800|Click image to enlarge}}]]
-\\
+Just above the central horizon is Earth's Moon in a waning crescent phase. To create this gigantic icon, the crescent moon phase must be smiling in the correct direction.
+ Dial-A-Moon: Find the Moon phase on your birthday this year
+[[https://apod.nasa.gov/apod/image/2504/HappySkyMexico_Korona_1358.jpg|{{https://apod.nasa.gov/apod/image/2504/HappySkyMexico_Korona_960.jpg?800|Click image to enlarge}}]]
+Image copyright:
+Daniel Korona
+<html><sup></html>(c)<html></sup></html>\\
 Click the image for a larger view (opens in a new tab)
+//If you leave a comment below, please enter the date when referring to images. I can go back and fetch images for a specific date if you request it.//
 ~~socialite~~
 ~~DISCUSSION~~