According to a February 29, 2024 study published in Nature Astronomy, scientists have discovered a volume of water at least three times that of Earth’s oceans in the inner disc of HL Tauri, a young star. HL Tauri is a part of one of the largest and closest star-forming regions to Earth

The observations were made using the Atacama Large Millimetre/submillimetre Array telescope (Alma). Astronomers believe that where it is cold enough for water to freeze onto dust particles, things stick together more efficiently—an ideal spot for planet formation. 

नेचर एस्ट्रोनॉमी में प्रकाशित 29 फरवरी, 2024 के एक अध्ययन के अनुसार, वैज्ञानिकों ने एक युवा तारे एचएल टौरी की आंतरिक डिस्क में पृथ्वी के महासागरों की तुलना में कम से कम तीन गुना पानी की मात्रा की खोज की है। एचएल टौरी पृथ्वी के सबसे बड़े और निकटतम तारा-निर्माण क्षेत्रों में से एक का हिस्सा है। 

The observations, published today in the journal Nature Astronomy, reveal at least three times as much water as in all of Earth’s oceans in the inner disc of the young Sun-like star HL Tauri, located 450 light-years away from Earth in the constellation Taurus

Here are some other planets in our solar system that have water:

• Venus, Jupiter, and Saturn: Have trace amounts of water vapor in their atmospheres 
• Mars: Has water. 
• Uranus: Known as an “ice giant” because it’s made up of 80% or more water, methane, and ammonia. Uranus’ largest moon, Titania, has a surface made of water ice and carbon dioxide ice. Water also exists in diverse forms on moons, dwarf planets, and comets. Earth is the only known planet to have consistent, stable bodies of liquid water on its surface. 

According to a study published in Nature Astronomy on February 29, 2024, scientists have discovered at least three times the amount of water as Earth’s oceans in the inner disc of HL Tauri

HL Tauri is a young, Sun-like star located 450 light-years away in the constellation Taurus. The star is surrounded by a protoplanetary disk, which is marked by dark bands that may indicate planets in the process of forming. 

The discovery was made using the Atacama Large Millimeter/submillimeter Array (ALMA) telescope. The astronomers believe that the water may play a key role in the formation of new worlds. 

29 फरवरी, 2024 को नेचर एस्ट्रोनॉमी में प्रकाशित एक अध्ययन के अनुसार, वैज्ञानिकों ने एचएल टौरी की आंतरिक डिस्क में पृथ्वी के महासागरों की तुलना में कम से कम तीन गुना अधिक पानी की खोज की है। 

According to the study, published in Nature Astronomy, a significant amount of water was found in the region where a known gap in the HL Tauri disc exists. Researchers say this suggests that this water vapour could affect the chemical composition of planets forming in those regions

HL Tauri is thought to be less than 100,000 years old. Its luminosity and effective temperature suggest that it’s less than 100,000 years old

The HL Tau system is less than a million years old and has a radius of about 17.9 billion kilometers (11.1 billion miles). Young systems like HL Tau are shrouded by a thick cloud of gas and dust, so they can’t be observed using visible light. 

एचएल टौरी को 100,000 वर्ष से कम पुराना माना जाता है। इसकी चमक और प्रभावी तापमान से पता चलता है कि यह 100,000 वर्ष से कम पुराना है। 

According to Wikipedia, HL Tauri is a pre-main-sequence star and Class K9 spectral type star

According to IOPscience, HL Tau may be a transition object that is transitioning from the last epoch of the embedded YSO stage

According to some, the protoplanetary disk around HL Tauri is the youngest candidate for planet formation known to date. Some say that the dark bands in the disk indicate that planets are forming. According to ALMA Deputy Director Dr Stuartt Corder, the structures in the disk are “almost certainly the result of young planet-like bodies that are being formed”

The Atacama Large Millimeter/submillimeter Array (ALMA)is a radio telescope that has observed HL Tauri in unprecedented detail. ALMA’s observations use its longest baselines, with antennas separated by up to 15 kilometers

The ALMA image of HL Tauri’s protoplanetary disk is the sharpest image ever taken by ALMA. These observations are the first to use ALMA in its near-final configuration. 

The NASA/ESA Hubble Space Telescope has also taken a view of HL Tauri. A composite image of HL Tauri and its surroundings uses data from ALMA and the Hubble Space Telescope. 

HL Tauri was discovered in 1982 as one of the most polarized T Tauri stars known. In 1986, a gas disk was discovered around the star through interferometric observation of carbon monoxide emissions

HL Tauri’s protoplanetary disk is unusually bright and massive, making it a good place to look for signs of forming planets. In October 2014, ALMA took an image of HL Tauri that sparked a lot of scientific debate. 

ALMA is able to peer through the dust to study the processes at the core of the cloud because it observes at much longer wavelengths

The protoplanetary disc around HL Tauri is made up of material left over from the star’s birth. The disc is embedded in a protostellar envelope that’s thousands of au in size

The disc is made up of dust particles that have stuck together through collisions, growing into clumps the size of sand grains and pebbles. The disc has a series of concentric bright rings with dark patches, which are signs of multiple planets forming. 

The disc has a radius of up to 1000 au, and only its innermost parts reach temperatures above 1000 K. If the disk is massive enough, runaway accretions can begin, resulting in the rapid formation of planetary embryos

The protoplanetary disk around this star is unusually massive and bright, which makes it an excellent place to search for signs of forming planets. HL Tauri is hidden in visible light behind a massive envelope of dust and gas

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