/data/photo/2022/07/07/62c680734e4f3.png "Young Stars in the Universe, Ready to be Hunted by the James Webb Telescope All")
KOMPAS.com – Scientists prepare to go on a hunt bintang–young star in the universe using the Space Telescope James Webb.
The United States National Aeronautics and Space Administration’s newest space observatory (NASA) will soon turn its gaze to a region that is relatively close and full of young stars.
James Webb Space Telescope almost finished commissioning, and will release its first operational images on July 12.
Next, the team will carry out early-stage science programs including the investigation of the Trapezium Cluster, a stellar nursery in the Orion Nebula about 1,350 light-years from Earth.
The cluster is packed with gas and dust, encompassing about 1,000 young stars packed into an area just four light-years away.
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BintangThe star is quite young at about a million years, compared to the sun, which is 4.5 billion years old.
Meanwhile, the star at the center of the solar system is middle-aged, and the Trapezoid star is about three or four days old.
“Astronomers using the Webb telescope will study this cluster to understand stars and planetary systems at their earliest (evolutionary) stages,” the study authors said in a statement. SpaceThursday (7/7/2022).
Three Trapezium Cluster phenomena
A team led by Mark McCaughrean, Webb’s interdisciplinary scientist for star formation and a senior adviser at the European Antarctic Agency, planning to focus on three phenomena in the Trapezium.
First, there will be observations Telescope James Webb will hunt young objects including brown dwarfs, objects too small to trigger nuclear fusion in their cores but too large to be classified as planets, as well as free-floating planets that do not orbit around stars.
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This type of mysterious object could reveal more clues about the formation of the planet.
Second, we will study the early phases of planet formation using the Webb infrared detector to measure exoplanet that could potentially form in young star disks.
“By comparing the images produced by James Webb with images in visible light made with the Hubble Space Telescope, the team will study the composition of the dust, which aids in understanding the earliest phases of planet formation,” the consortium said.
Third, studies will be conducted on jets and outflows from young stars, which are an integral part of star formation.
“Because the Orion Nebula is home to many young stars, there is a lot of emission and outflow in the region both large and small,” the report added.
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Furthermore, the team will use James Webb to measure the fine structure in the outflow and determine its velocity, as well as assess cumulative feedback in the surrounding star-forming cloud.
The James Webb telescope was optimized for the study because of its ability to detect objects that are not too hot to the hot infrared light emitted by the object.
In addition, the telescope’s position in space keeps it away from Earth’s atmosphere, which interferes with infrared observations.
Ability telescopic head James Webb is expected to be able to provide new insights into the area the birth of a new star, the Orion Nebula this.
“We are very interested in understanding how stars and planetary systems develop at their earliest stages,” McCaughrean said.
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