The Last Journal-EN

19/07/2024

🌌 Exciting news! Scientists have detected ammonia and phosphine in Venus' atmosphere, gases closely linked to life on Earth! 🧪🔬

While not definitive proof of life, these findings spark intriguing possibilities about ancient or microbial life in the planet's clouds. Venus' clouds, with milder temperatures and pressures, might be a niche for life forms to survive. 👽

More research is underway, including a mission by the European Space Agency to study Venus' atmosphere. Stay tuned for more cosmic discoveries! 🚀🔭

12/04/2024

12/04/2024

Amazing optical illusion in this AI generated image ! Close your eyes at 80-90% to see it.

Illusion d’optique bluffante dans cette étrange image générée par IA. Pour voir l’image cachée, plissez les yeux jusqu’à les avoir presque fermés.

13/09/2023

Jarvis, an Iron Man-inspired AI developed by CreaTools AI, redefines interaction with generative AI with the ability to interact solely through voice, emotional adaptability (and mood swings) as well as its role as a versatile assistant in our daily lives.

Jarvis, developed by CreaTools AI, is a new voice AI inspired by the famous assistant of Tony Stark (Iron Man). Equipped with innovative features, Jarvis can interact vocally, express emotions, and adapt to user preferences. Although currently in beta phase, with the inherent challenges at this stag...

09/04/2022

Seven Sisters versus California

Image Credit & Copyright: Neven Krcmarek

Explanation: On the upper right, dressed in blue, is the Pleiades. Also known as the Seven Sisters and M45, the Pleiades is one of the brightest and most easily visible open clusters on the sky. The Pleiades contains over 3,000 stars, is about 400 light years away, and only 13 light years across. Surrounding the stars is a spectacular blue reflection nebula made of fine dust. A common legend is that one of the brighter stars faded since the cluster was named. On the lower left, shining in red, is the California Nebula. Named for its shape, the California Nebula is much dimmer and hence harder to see than the Pleiades. Also known as NGC 1499, this mass of red glowing hydrogen gas is about 1,500 light years away. Although about 25 full moons could fit between them, the featured wide angle, deep field image composite has captured them both. A careful inspection of the deep image will also reveal the star forming region IC 348 and the molecular cloud LBN 777 (the Baby Eagle Nebula).



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09/04/2022

Earendel: A Star in the Early Universe

Image Credit: NASA, ESA, B. Welch (JHU), D. Coe (STScI); Processing: A. Pagan (STScI)

Explanation: Is Earendel the farthest star yet discovered? This scientific possibility started when the Hubble Space Telescope observed a huge cluster of galaxies. The gravitational lens effect of this cluster was seen to magnify and distort a galaxy far in the background. This distorted background galaxy -- so far away it has a redshift of 6.2 -- appears in the featured image as a long red string, while beads on that string are likely to be star clusters. The galaxy cluster lens creates a line of maximum magnification line where superposed background objects may appear magnified many thousands of times. On the intersection between the galaxy line and the maximum magnification line is one "bead" which shows evidence of originating from a single bright star in the early universe -- now named Earendel. Future investigations may include more imaging by Hubble to see how Earendel's brightness varies, and, quite possibly, by the new James Webb Space Telescope when it becomes operational later this year. Earendel's great distance exceeds that of any known stable star -- although the star that exploded creating GRB 090423 had a redshift of 8.2.



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08/04/2022

Messier 24: Sagittarius Star Cloud

Image Credit & Copyright: Gabriel Rodrigues Santos

Explanation: Unlike most entries in Charles Messier's famous catalog of deep sky objects, M24 is not a bright galaxy, star cluster, or nebula. It's a gap in nearby, obscuring interstellar dust clouds that allows a view of the distant stars in the Sagittarius spiral arm of our Milky Way galaxy. When you gaze at the star cloud with binoculars or small telescope you are looking through a window over 300 light-years wide at stars some 10,000 light-years or more from Earth. Sometimes called the Small Sagittarius Star Cloud, M24's luminous stars fill this gorgeous starscape. Covering over 3 degrees or the width of 6 full moons in the constellation Sagittarius, the telescopic field of view includes dark markings B92 and B93 just above center, along with other clouds of dust and glowing nebulae toward the center of the Milky Way.



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08/04/2022

Hale-Bopp: The Great Comet of 1997

Image Credit & Copyright: Stefan Seip (TWAN)

Explanation: Only twenty-five years ago, Comet Hale-Bopp rounded the Sun and offered a dazzling spectacle in planet Earth's night skies. Digitized from the original astrophoto on 35mm color slide film, this classic image of the Great Comet of 1997 was recorded a few days after its perihelion passage on April 1, 1997. Made with a camera and telephoto lens piggy-backed on a small telescope, the 10 minute long, hand-guided exposure features the memorable tails of Hale-Bopp, a whitish dust tail and blue ion tail. Here, the ion tail extends well over ten degrees across the northern sky. In all, Hale-Bopp was reported as visible to the naked eye from late May 1996 through September 1997. Also known as C/1995 O1, Hale-Bopp is recognized as one of the most compositionally pristine comets to pass through the inner Solar System. A visitor from the distant Oort cloud, the comet's next perihelion passage should be around the year 4380 AD. Do you remember Hale-Bopp?



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04/04/2022

🔭 How much “magnification” is needed to see planets?⁠
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The occult is a great time to demonstrate this, but unfortunately, there are none happening soon. An occult happens when two celestial objects briefly align with the observer, causing one to appear to pass behind the other.⁠
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To simulate an occult, took his most powerful telescope and captured both the moon and Saturn with the same camera to ensure the scale is identical, then he combined the images as if they were touching in the sky. Saturn is absolutely tiny compared to the moon, and the moon is already a challenge to shoot clearly!⁠
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Unlike the deep-sky objects he captures, planets require a ton of “magnification” to view. Counterintuitively, he said that he can get more detailed shots of galaxies than he can of planets.⁠
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🎥 courtesy of:

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03/04/2022

🧪 "Gas Collection for Emission Spectra: a favorite demonstration using my set of pure samples of hydrogen, nitrogen, and five noble gasses are subjected to the high-frequency pulsed field of a miniature Tesla coil." ⁠
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"Each gas has a characteristic breakdown voltage and emission spectrum - note that Nitrogen has the highest breakdown voltage and only glows when very near the coil where the field is most intense whereas Neon and Helium have the lowest breakdown voltage and begin to glow many centimeters away from the coil."⁠
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"The color of each gas is due to a mix of the colors emitted from electron energy transitions specific to each element - the basis of spectroscopy. The Krypton tube also exhibits interesting oscillations with this particular Tesla coil."⁠
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(filmed and written by: )

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