🌟 Stardust Diaries
📍 Galactic Vista of the Day
The Rosette Nebula, also known as Caldwell 49, is a large, circular H II region (a region of ionized hydrogen) located in the Monoceros constellation. It is situated at a distance of approximately 5,000 to 5,200 light-years away from Earth. The nebula spans about 130 light-years in diameter.
📍 Key features and characteristics of the Rosette Nebula include:
🔻Structure: The nebula is shaped like a rose, hence its name. It is composed of a central cluster of hot, young stars, designated as NGC 2244, which formed from the surrounding gas and dust. The stellar winds and radiation from these stars have sculpted the surrounding nebula, creating the distinctive rose-like shape.
🔻 Emission Nebula: The Rosette Nebula is primarily an emission nebula, meaning it emits light due to the excitation of hydrogen atoms by the intense ultraviolet radiation emitted by the young, massive stars within it. This radiation causes the hydrogen gas to glow, producing the vibrant red color characteristic of many emission nebulae.
🔻 Star Formation: The central cluster NGC 2244 contains numerous hot, young, massive stars that have recently formed within the nebula. These stars are responsible for ionizing the surrounding hydrogen gas and creating the glowing emission nebula. Additionally, the dense clouds of gas and dust within the Rosette Nebula are potential sites for ongoing star formation.
🔻 Location: The Rosette Nebula is located within the Milky Way galaxy, relatively close to the Galactic plane. Its position in the sky places it in the constellation Monoceros, near the border with the constellation Orion.
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Credit & Copyright: Olivier Bernard & Philippe Bernhard
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TODAY IN HISTORY !
🛰 Japan's First Satellite, Ohsumi, Launches into Space
🚀 On February 11, 1970, Japan made history by launching its first man-made satellite, Ohsumi. This remarkable event marked Japan's entry into the realm of space exploration.
🚀 Named after the renowned Japanese microbiologist Yoshinori Ohsumi, the satellite was launched from the Kagoshima Space Center (now the Uchinoura Space Center) on Kyushu Island. Riding atop a Lambda L-4S-5 rocket, Ohsumi soared into orbit, weighing approximately 26 kilograms.
Ohsumi's mission was to study the Earth's ionosphere and magnetosphere, collecting data on cosmic rays and magnetic fields. This groundbreaking endeavor showcased Japan's commitment to scientific advancement and innovation.
🚀 Between 15:56:10 and 16:06:54, approximately two and a half hours following liftoff, the Uchinoura ground station received a radio signal from OHSUMI, confirming its initial orbit around Earth. Over time, the strength of the radio signal gradually diminished, and by the following day, February 12, during its sixth orbit, the signal had weakened significantly. By the seventh orbit, the signal could no longer be detected, suggesting that contact with OHSUMI had been lost 14 to 15 hours after launch. It is presumed that this loss of signal was due to a rapid decline in power capacity, likely caused by higher-than-anticipated temperatures. Despite the loss of communication, OHSUMI continued its orbit around Earth until 05:45 on August 2, 2003 (JST), when it reentered the atmosphere and disintegrated due to the intense heat of reentry.
Credit : @JAXA_en
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SPACE ID
Meet the Universe
📌The Brightest Star of the Open Cluster Pismis 24 !
Name : Pismis 24-1
Object Type : Star
Constellation : Scorpius
Variable type : Eclipsing (NE)
Spectral type : O3.5If* (NE)
Right ascension : 17h 24m 43.497s (NE)
Declination : –34° 11′ 56.86″ (NE)
Apparent magnitude (V) : 11.00 (NE)
Radial velocity (Rv) : −2.0 km/s
Distance : 6,500 ly (2,000 pc)
Mass : 74 M☉ (NE)
Radius : 18 R☉ (NE)
Luminosity : 776,000 L☉(NE)
Temperature : 42,500/41,500K (NE)
🌟The star cluster Pismis 24 lies within the much larger emission nebula called NGC 6357 (Lobster Nebula). Pismis 24-1 was first catalogued as HD 319718, later resolved into both Pismis 24-1 and the fainter Pismis 24-16.
Credit : @NASA@esa
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📢 Astronomical Events February, 2024
We invite you to embark on a cosmic journey exploring the celestial wonders that February has in store. Don't forget to look at the sky !
🌟 February 1, 2024 - Moon near Spica.
🌟 February 2, 2024 - Last Quarter Moon.
🌟 February 5, 2024 - Moon near Antares.
🌟 February 7, 2024 - Moon near Venus.
🌟 February 8, 2024 - Alpha Centaurid's peak; Moon near Mars, Mercury.
🌟 February 9, 2024 - New Moon.
🌟 February 11, 2024 - Moon near Saturn.
🌟 February 14, 2024 - C/2021 S3(PanSTARRS) at perihelion.
🌟 February 16, 2024 - First Quarter Moon; Moon near the Pleiades.
🌟 February 21, 2024 - Moon near Pollux.
🌟 February 22, 2024 - Venus near Mars; Moon near the Beehive.
🌟 February 23, 2024 - Moon near Regulus.
🌟 February 24, 2024 Full Snow Moon.
🌟 February 28, Moon near Spica
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We at @luxspacescience are happy to announce the publication of new article : "Introduction to The Messier Objects".
This article contains the following topics :
🔻 The Evolution of The Messier Objects
🔻 Catalogs and Releases
🔻 Studying The Messier Objects in the Cosmos
🔻 The Messier Objects List
📌 In the article we will publish in the future, we will examine Messier objects in depth and in more detail.
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INTRODUCTION TO THE MESSIER OBJECTS
linkedin.com/pulse/introduc…
TODAY IN HISTORY !
🔵 Uranus was visited for the first time by the Voyager 2 space probe.
In a historic moment for space exploration, NASA's Voyager 2 spacecraft achieved a groundbreaking feat by making its closest approach to the distant and mysterious gas giant, Uranus. On this day, January 24, 1986, humanity obtained its first-ever up-close glimpse of the seventh planet from the sun.
🔷 Voyager 2, launched in 1977, had previously provided unprecedented insights into the outer planets of our solar system, including Jupiter and Saturn. However, the encounter with Uranus marked a singular event, as it was the only time humanity has visited this distant celestial body.
🔷The spacecraft's journey allowed for approximately 5.5 hours of intensive study, during which it transmitted stunning images of Uranus and its accompanying moons. The data gathered during this brief yet significant period has since been crucial in advancing our understanding of the unique characteristics of Uranus and its complex system.
🔷One of the remarkable findings from Voyager 2's visit was the revelation of Uranus's magnetic tail forming a helix, stretching an astonishing 6 million miles (10 million kilometers) in the direction opposite to the sun. This discovery, made possible by the spacecraft's instruments, added a new layer of understanding to the dynamics of the planet's magnetic field.
🔷The success of Voyager 2's mission to Uranus underscored the importance of deep space exploration in unraveling the mysteries of our cosmic neighborhood. The images and data sent back by the spacecraft have become invaluable tools for scientists studying the distant realms of our solar system.
👇 The Voyager 2 images of Uranus are below.
Credit : NASA - National Aeronautics and Space Administration
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🌌 Stephan's Quintet
- The First Compact Group Ever Discovered
Stephan's Quintet is a visual grouping of five galaxies of which four form the first compact galaxy group ever discovered. Four of the five galaxies in Stephan's Quintet form a physical association, a true galaxy group, Hickson Compact Group 92, and will likely merge with each other.
📌 Discovery and Identification
Stephan's Quintet, named after French astronomer Édouard Stephan who discovered the group in 1877, is a unique cluster of galaxies located in the Pegasus constellation, approximately 300 million light-years away from Earth.
The primary members of Stephan's Quintet include NGC 7317, NGC 7318A, NGC 7318B, NGC 7319, and NGC 7320. Notably, NGC 7318B is believed to be a foreground galaxy that is not physically associated with the other members but appears to be interacting with the group.
📌 Collision and Cosmic Shockwaves
The galaxies of Stephan's Quintet are not merely neighbors; they are engaged in a gravitational dance that has profound consequences for their structures and evolution. The close encounters lead to galactic collisions and shockwaves, triggering bursts of star formation and influencing the overall dynamics of the quintet.
The interplay of gravitational forces has also led to the expulsion of gas from the galaxies, creating vast regions of ionized hydrogen that glow with an otherworldly brilliance.
✨ Stephan's Quintet was selected as one of the five cosmic objects observed by the James Webb Space Telescope as part of the release of its first official science images.
Observation data (Epoch J2000)
Constellation(s) : Pegasus
Right ascension : 22h 35m 57.5s
Declination : +33° 57′ 36″
Brightest member : NGC 7318B
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💻 Astronomical Coding-Guidance: How to Obtain Solar Observation Data
By examining the code snippet we shared below, you can go deeper and learn how to instantly access solar observation images and data.
Observatory types supported:
🛰 SDO (Solar Dynamics Observatory): A NASA mission that has been observing the Sun since 2010.
🛰 SOHO (Solar and Heliospheric Observatory): A joint ESA-NASA space-based observatory that has been operating since 1995.
🛰 Hinode: A Japanese mission in collaboration with NASA and the UK Space Agency, it has various instruments on board designed to study the Sun's magnetic field.
🛰 RHESSI (Reuven Ramaty High Energy Solar Spectroscopic Imager): A NASA solar satellite that observed the Sun in high-energy X-rays and gamma rays.
🛰 GOES (Geostationary Operational Environmental Satellites): These satellites provide data on solar activity and are used for weather forecasting and monitoring.
🛰 Proba-2: A small solar observation satellite developed by the European Space Agency.
Solar activity can influence space weather, affecting satellite operations, communication systems, and even power grids on Earth. By analyzing solar data, scientists can predict space weather events and help mitigate their impacts.
We have already shared two projects within the scope of the astronomy project, in which we used this research and application approaches in depth:
📌 How-To I: lnkd.in/dMFYBZDk
📌 How-To II: lnkd.in/gDaDCa4k
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