Astronomi – SulutPos.com

Phosphorus-bearing molecules found in a star-forming region and comet 67P. This infographic shows the key results from a study that has revealed the interstellar thread of phosphorus, one of life’s building blocks. Thanks to ALMA, astronomers could pinpoint where phosphorus-bearing molecules form in star-forming regions like AFGL 5142. The background of this infographic shows a part of the night sky in the constellation of Auriga, where the star-forming region AFGL 5142 is located. The ALMA image of this object is on the top left of the infographic, and one of the locations where the team found phosphorus-bearing molecules is indicated by a circle. The most common phosphorus-bearing molecule in AFGL 5142 is phosphorus monoxide, represented in orange and red in the diagram on the bottom left. Another molecule found was phosphorus nitride, represented in orange and blue. Using data from the ROSINA instrument onboard ESA’s Rosetta, astronomers also found phosphorus monoxide on comet 67P/Churyumov–Gerasimenko, shown on the bottom right. This first sighting of phosphorus monoxide on a comet helps astronomers draw a connection between star-forming regions, where the molecule is created, all the way to Earth, where it played a crucial role in starting life. Credit: ALMA (ESO/NAOJ/NRAO), Rivilla et al.; ESO/L. Calçada; ESA/Rosetta/NAVCAM; Mario Weigand, www.SkyTrip.de

Astronomers Reveal Interstellar Thread of One of Life’s Building Blocks

16/01/202016/01/2020 Novy Taroreh 0 Komentar Astronomi, ENGLISH

Image: Phosphorus-bearing molecules found in a star-forming region and comet 67P. ALMA and Rosetta map the journey of phosphorus Phosphorus, present

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Gas halo observed by MUSE surrounding a galaxy merger seen by ALMA. This image shows one of the gas halos newly observed with the MUSE instrument on ESO’s Very Large Telescope superimposed to an older image of a galaxy merger obtained with ALMA. The large-scale halo of hydrogen gas is shown in blue, while the ALMA data is shown in orange. The halo is bound to the galaxy, which contains a quasar at its centre. The faint, glowing hydrogen gas in the halo provides the perfect food source for the supermassive black hole at the centre of the quasar. The objects in this image are located at redshift 6.2, meaning they are being seen as they were 12.8 billion years ago. While quasars are bright, the gas reservoirs around them are much harder to observe. But MUSE could detect the faint glow of the hydrogen gas in the halos, allowing astronomers to finally reveal the food stashes that power supermassive black holes in the early Universe. Credit: ESO/Farina et al.; ALMA (ESO/NAOJ/NRAO), Decarli et al.

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ESO Observations Reveal Black Holes’ Breakfast at the Cosmic Dawn

20/12/201922/12/2019 Novy Taroreh 0 Komentar Astronomi, ENGLISH, Video

Image: Gas halo observed by MUSE surrounding a galaxy merger seen by ALMA. This image shows one of the gas halos

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Taken with the HAWK-I instrument on ESO’s Very Large Telescope in the Chilean Atacama Desert, this stunning image shows the Milky Way’s central region with an angular resolution of 0.2 arcseconds. This means the level of detail picked up by HAWK-I is roughly equivalent to seeing a football (soccer ball) in Zurich from Munich, where ESO’s headquarters are located. The image combines observations in three different wavelength bands. The team used the broadband filters J (centred at 1250 nanometres, in blue), H (centred at 1635 nanometres, in green), and Ks (centred at 2150 nanometres, in red), to cover the near infrared region of the electromagnetic spectrum. By observing in this range of wavelengths, HAWK-I can peer through the dust, allowing it to see certain stars in the central region of our galaxy that would otherwise be hidden. Credit: ESO/Nogueras-Lara et al.

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ESO Telescope Images Stunning Central Region of Milky Way, Finds Ancient Star Burst

17/12/201918/12/2019 Novy Taroreh 0 Komentar Astronomi, ENGLISH

Image: HAWK-I view of the Milky Way’s central region. Taken with the HAWK-I instrument on ESO’s Very Large Telescope in

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This illustration shows the white dwarf WDJ0914+1914 and its Neptune-like exoplanet. Since the icy giant orbits the hot white dwarf at close range, the extreme ultraviolet radiation from the star strips away the planet’s atmosphere. While most of this stripped gas escapes, some of it swirls into a disc, itself accreting onto the white dwarf. Credit: ESO/M. Kornmesser

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First Giant Planet around White Dwarf Found

05/12/201905/12/2019 Novy Taroreh 0 Komentar Astronomi, ENGLISH, Video

Image: Artist’s impression of the WDJ0914+1914 system. This illustration shows the white dwarf WDJ0914+1914 and its Neptune-like exoplanet. Since the icy

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GRB 190114C (Artist’s Impression). New observations from the NASA/ESA Hubble Space Telescope have investigated the nature of the powerful gamma-ray burst GRB 190114C by studying its environment. Gamma-ray bursts are the most powerful explosions in the Universe. They emit most of their energy in gamma rays, light which is much more energetic than the visible light we can see with our eyes. Hubble’s observations suggest that this particular burst displayed such powerful emission because the collapsing star was sitting in a very dense environment, right in the middle of a bright galaxy 5 billion light years away. Credit: ESA/Hubble, M. Kornmesser

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Hubble Studies Gamma-Ray Burst with the Highest Energy Ever Seen

21/11/201921/11/2019 Novy Taroreh 0 Komentar Astronomi, ENGLISH, Video

Image: GRB 190114C (Artist’s Impression). New observations from the NASA/ESA Hubble Space Telescope have investigated the nature of the powerful

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The Sunburst Arc. This image, taken with the NASA/ESA Hubble Space Telescope, shows a massive galaxy cluster, about 4.6 billion light years away. Along its borders four bright arcs are visible; these are copies of the same distant galaxy, nicknamed the Sunburst Arc. The Sunburst Arc galaxy is almost 11 billion light-years away and the light from it is being lensed into multiple images by gravitational lensing. The Sunburst Arc is among the brightest lensed galaxies known and its image is visible at least 12 times within the four arcs. Three arcs are visible in the top right of the image, the fourth arc in the lower left. The last one is partially obscured by a bright foreground star, which is located in the Milky Way. Credit: ESA/Hubble, NASA, Rivera-Thorsen et al.

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Hubble Captures a Dozen Sunburst Arc Doppelgangers

08/11/2019 Novy Taroreh 0 Komentar Astronomi, ENGLISH, Video

Photo: This image, taken with the NASA/ESA Hubble Space Telescope, shows a massive galaxy cluster, about 4.6 billion light years

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A team of European researchers, using data from the X-shooter instrument on ESO’s Very Large Telescope, has found signatures of strontium formed in a neutron-star merger. This artist’s impression shows two tiny but very dense neutron stars at the point at which they merge and explode as a kilonova. In the foreground, we see a representation of freshly created strontium.

Credit:
ESO/L. Calçada/M. Kornmesser

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First Identification of a Heavy Element Born from Neutron Star Collision

24/10/201924/10/2019 Novy Taroreh 0 Komentar Astronomi, ENGLISH, Video

Image: Artist’s impression of strontium emerging from a neutron star merger For the first time, a freshly made heavy element,

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This artist’s impression represents the path of the fast radio burst FRB 181112 traveling from a distant host galaxy to reach the Earth. FRB 181112 was pinpointed by the Australian Square Kilometre Array Pathfinder (ASKAP) radio telescope. Follow-up observations with ESO’s Very Large Telescope (VLT) revealed that the radio pulses have passed through the halo of a massive galaxy on their way toward Earth. This finding allowed astronomers to analyse the radio signal for clues about the nature of the halo gas.

Credit:
ESO/M. Kornmesser

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Enigmatic Radio Burst Illuminates a Galaxy’s Tranquil Halo

27/09/201927/09/2019 Novy Taroreh 0 Komentar Astronomi, ENGLISH, Video

Image: Artist’s impression of a fast radio burst traveling through space and reaching Earth. This artist’s impression represents the path of the

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The NASA/ESA Hubble Space Telescope’s Wide Field Camera 3 observed Saturn on 20 June 2019 as the planet made its closest approach to Earth this year, at approximately 1.36 billion kilometres away. Credit: NASA, ESA, A. Simon (Goddard Space Flight Center), and M.H. Wong (University of California, Berkeley)

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Hubble Reveals Latest Portrait of Saturn

13/09/2019 Novy Taroreh 0 Komentar Astronomi, ENGLISH, Video

Photo: Latest Saturn Portrait. The NASA/ESA Hubble Space Telescope’s Wide Field Camera 3 observed Saturn on 20 June 2019 as the planet

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Exoplanet K2-18b (Artist’s Impression). This artist’s impression shows the planet K2-18b, it’s host star and an accompanying planet in this system. K2-18b is now the only super-Earth exoplanet known to host both water and temperatures that could support life. UCL researchers used archive data from 2016 and 2017 captured by the NASA/ESA Hubble Space Telescope and developed open-source algorithms to analyse the starlight filtered through K2-18b’s atmosphere. The results revealed the molecular signature of water vapour, also indicating the presence of hydrogen and helium in the planet’s atmosphere. Credit: ESA/Hubble, M. Kornmesser

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Hubble Finds Water Vapour on Habitable-Zone Exoplanet for the First Time

12/09/2019 Novy Taroreh 0 Komentar Astronomi, ENGLISH, Video

Image: Exoplanet K2-18b (Artist’s Impression). This artist’s impression shows the planet K2-18b, it’s host star and an accompanying planet in this

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