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Posts Tagged ‘Extrasolar’

James Webb Telescope Captures ‘Cosmic Tarantula’ in Stunning New Image

Posted by addisethiopia / አዲስ ኢትዮጵያ on September 7, 2022

💭 The Nebula is named for its resemblance to a burrowing tarantula’s home

NASA released the latest image from its James Webb Space Telescope on Tuesday, showing tens of thousands of young stars in a stellar nursery dubbed the “Cosmic Tarantula.”

The nebula, located 161,000 light-years away, is the largest star-forming region of all galaxies close to the Milky Way. 

Radiation from young stars, which glow pale blue, has hollowed out a cavity in the nebula that can be seen in the center of the image.

“Only the densest surrounding areas of the nebula resist erosion by these stars’ powerful stellar winds, forming pillars that appear to point back toward the cluster,” NASA explained. “These pillars contain forming protostars, which will eventually emerge from their dusty cocoons and take their turn shaping the nebula.”


Astronomers have long studied the Tarantula Nebula, which got its namesake due to its resemblance to a burrowing tarantula’s home, but Webb’s Near-Infrared Camera brought it into clearer focus than ever before. 

💭 See The First Image of an Exoplanet Caught by The James Webb Space Telescope


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See The First Image of an Exoplanet Caught by The James Webb Space Telescope

Posted by addisethiopia / አዲስ ኢትዮጵያ on September 2, 2022

👉 ገብርኤል 👉 ማርያም 👉 ኡራኤል 👉 ጊዮርጊስ 👉 ተክለ ሐይማኖት 👉 ዮሴፍ 😇 መድኃኔ ዓለም

በጄምስ ዌብ የጠፈር ቴሌስኮፕ የተያዘ ከእኛ ስርዓተ-ፀሐይ ውጪ ያለውን ፕላኔት የመጀመሪያ ምስል ይመልከቱ። ክቡር መስቀሉ ከላይ ያበራል!

በጣም ይገርማል ማታ ላይ በመላው ዓለም ስከሚገኙ ዓብያተ ክርስቲያናት የእሳት ቃጠሎና ከቃጠሎው ስለተረፈው መስቀል መረጃዎችን እያየሁ ነበር አሁን ከጥቂት ደቂቃዎች በፊት ይህ አዲስ መረጃ የወጣው። በመጭው ሰሙነ ቅዱስ ዮሐንስ፣ እንቁጣጣሽና ብርሃነ መስቀሉ ምን ይፈጠር ይሆን? ስለ ሕዝባችንና አገራችንን ስለምንረከብበት ሁኔታ ቸር ወሬ ያሰማን! በእውነት የመድኃኔ ዓለም ሥራ እፁብ ድንቅ ነው!

The Glorious Cross shines from above!

It really is amazing that I was watching the news about the fire and the cross that survived the fire from churches all over the world at night, and now this new information came out a few minutes ago. The work of the Our Holy Saviour is absolutely wonderful. Today is monthly feast of Holy Savior.

✞ Light From The Cross / ብርሃን ከመስቀሉ ✞

I am the light of the world!” Jesus Christ

እኔ የዓለም ብርሃን ነኝ!” ኢየሱስ ክርስቶስ

✞✞✞ [የዮሐንስ ወንጌል ምዕራፍ ፰፥፲፪] ✞✞✞

ደግሞም ኢየሱስ። እኔ የዓለም ብርሃን ነኝ፤ የሚከተለኝ የሕይወት ብርሃን ይሆንለታል እንጂ በጨለማ አይመላለስም ብሎ ተናገራቸው።

✞✞✞ [John 8:12] ✞✞✞

Again Jesus spoke to them, saying, “I am the light of the world. Whoever follows me will not walk in darkness, but will have the light of life.”

The powerful telescope uses infrared light to produce a detailed image of the far-off gas giant.

For the first time ever, astronomers at NASA, the European Space Agency (ESA), and Canadian Space Agency (CSA) captured a direct image of an exoplanet using the James Webb Space Telescope. Extra solar planets, or exoplanets, are planets that exist outside of our solar system.

Researchers are currently analyzing the new data from these observations and are working on a paper for peer review. The findings are currently published in a preprint. But Webb’s first capture of an exoplanet already hints at future possibilities for studying distant worlds.

JWST captured the image of the inhabitable gas giant called HIP 65426 b located about 385 light-years away from Earth. It is roughly six to 12 times the mass of Jupiter (our solar system’s biggest planet) and astronomers believe that their observations could help narrow down that estimate. Compared to 4.5 billion-year-old Planet Earth, HIP 65426 b is only 15 to 20 million years-old, so still a young one as far as planets go.

“This is a transformative moment, not only for Webb but also for astronomy generally,” said Sasha Hinkley, associate professor of physics and astronomy at the University of Exeter in the United Kingdom, who led these observations with a large international collaboration, in a NASA blog.

The image released by NASA/ESA/CSA shows the exoplanet through four different light filters. Unlike the human eye, JWST can see the universe in infrared light, which gives astronomers more precise measurements of an exoplanet’s mass and temperature and can even detect clouds moving in a distant planet’s sky. The infrared light pointing the way to future observations that will reveal more information than ever before about exoplanets.

JWST’s Near-Infrared Camera (NIRCam) and Mid-Infrared Instrument (MIRI) have coronagraphs. These are sets of tiny masks that can block out starlight and enable the telescope to take direct images of certain exoplanets like HIP 65426 b. NASA’s Nancy Grace Roman Space Telescope, which is scheduled to launch this decade, will demonstrate an even more advanced coronagraph.

“It was really impressive how well the Webb coronagraphs worked to suppress the light of the host star,” said Hinkley.

While this specific image is new to astronomers, HIP 65426 b is not. The exoplanet was first detected in 2017 using the SPHERE instrument located at the European Southern Observatory’s (ESO) Very Large Telescope in northern Chile. The ground-based telescope took images of the exoplanet using short infrared wavelengths of light. JWST is able to capture longer infrared wavelengths, revealing some new details that ground-based telescopes can’t necessarily see due to the intrinsic infrared glow of Earth’s atmosphere.

While more than 5,000 exoplanets have been discovered, taking direct images of them is incredibly challenging. Exoplanets revolve around a star just like Earth revolves around the sun, and those stars are typically much brighter than planets. According to NASA, HIP 65426 b is more than 10,000 times fainter than its host star in the near-infrared and a few thousand times fainter in the mid-infrared.



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