babtridge said:
Determine the radiation flux incident on the asteroid using the Stefan's law:babtridge said:
The temperature of an asteroid when the sun emits at 6000K and the asteroid is 350 million kilometers away is approximately 20K (-253.15°C or -423.67°F). This is because the asteroid is receiving a very small amount of energy from the sun, which is significantly reduced due to the inverse square law.
The temperature of an asteroid decreases as it gets further away from the sun. This is because the energy from the sun spreads out over a larger area, resulting in less energy reaching the asteroid. This relationship is described by the inverse square law.
The sun's emission at 6000K is important because it is the average temperature of the sun's surface. This is the temperature at which the sun emits the most energy, which then travels through space and ultimately affects the temperature of objects, such as asteroids, that are in its path.
Yes, the temperature of an asteroid can also be affected by its composition, size, and rotation. Different materials have different abilities to absorb and retain heat, and a larger asteroid will have a greater surface area for the sun's energy to act upon. The rotation of the asteroid can also affect its temperature by exposing different areas to the sun's energy at different times.
Scientists can measure the temperature of an asteroid using infrared spectroscopy, which detects the thermal radiation emitted by the asteroid. This allows them to determine the temperature of the asteroid's surface, even from a great distance. Other methods, such as thermal imaging, can also be used to estimate the temperature of an asteroid.