Answer :
Final answer:
The gas in the solar nebula, the precursor to our solar system, began at a temperature of approximately 10,000 degrees Celsius, based on evidence from analysis of interstellar gas and the observed temperatures of celestial bodies.
Explanation:
The gas in the solar nebula, which is the cloud of gas and dust from which our solar system was formed, began at a temperature much hotter than one might initially think due to the extreme conditions of space. To be specific, the initial temperature of the solar nebula was approximately 10,000 degrees Celsius.
This is determined based on the temperatures of interstellar gas documented with modern radio observations, where they sometimes reach as high as about 8000 K. Also, in the context of understanding celestial bodies, it is known that stars and gases can reach millions of degrees. Because a Nebula is, in essence, a star in the process of formation, those high temperatures are to be expected.
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