Which specific mission provided high-precision visible light measurements crucial for refining the structure of the Orion Arm?
Answer
The European Space Agency’s Gaia spacecraft
Modern, high-precision mapping, significantly aided by the European Space Agency’s Gaia spacecraft and radio astronomy techniques, has refined the view of the Milky Way's structure.
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Which Spiral Arm Of The Galaxy Is Ours? - YouTube
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What is the current classification assigned to the Orion Arm relative to the Milky Way's larger structures?Which two major spiral arms are situated nearest to the Orion Arm, bounding its position?What famous constellation is used to name the Orion Arm based on our terrestrial view?What is the revised estimated length of the Orion Arm according to current assessments?Why is the Orion Arm considered a beneficial location, often termed a galactic 'habitable zone'?What specific astronomical hazard associated with the galactic core does the Solar System's location help avoid?Which type of stars are crucial for effectively tracing the path of spiral arms like the Orion Arm?Which specific mission provided high-precision visible light measurements crucial for refining the structure of the Orion Arm?What is the name given to the relative cavity in the interstellar medium where our solar system resides within the Orion Arm?What is the physical process that spiral arms cause in interstellar gas and dust?