Now Reading: NASA finds Tarantula Nebula losing hot gas, less X-ray than expected
-
01
NASA finds Tarantula Nebula losing hot gas, less X-ray than expected
NASA finds Tarantula Nebula losing hot gas, less X-ray than expected
New observations from NASA's Chandra, Webb, and Hubble telescopes reveal that the Tarantula Nebula, also known as 30 Doradus, contains far less X-ray-emitting gas than scientists expected. The research, published in the…
The Story in Brief
New observations from NASA's Chandra, Webb, and Hubble telescopes reveal that the Tarantula Nebula, also known as 30 Doradus, contains far less X-ray-emitting gas than scientists expected. The research, published in the Astrophysical Journal, suggests that up to half of the hot gas heated by stellar winds may be leaking through the nebula's gas and dust shells. Other energy may be lost when cold gas mixes with hot gas, lowering temperatures, or through thermal conduction between hot and cool material in dense regions.
The Tarantula Nebula lies 160,000 light-years from Earth in the Large Magellanic Cloud. The study brings together X-ray data from Chandra, infrared data from Webb, and optical data from Hubble, along with observations from the retired Spitzer Space Telescope. The findings help astronomers understand stellar feedback, the process by which young massive stars shape their surroundings and influence future star formation.
The Indian Opinion
The dazzling Tarantula image will draw oohs and aahs, but the real story is the missing X-ray gas. Some will call it a mystery; others will use it to question the value of space telescopes. Neither is fair. The study is a textbook example of how multi-wavelength astronomy works: Chandra, Webb, and Hubble together show that stellar feedback is messier than models predict. The neat narrative of young stars neatly heating everything is wrong. The concrete test? Will the next round of computer simulations confirm that thermal conduction, not just leakage, is the dominant energy drain?
Source: timesofindia.indiatimes.com
This story was synthesised by AI from the source linked above.
