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skelet666 [1.2K]
3 years ago
15

Thermal emissions by solid bodies can be analyzed to provide information on the temperature at a few wavelengths below the surfa

ce. Observations of the night hemisphere of Mercury longward of ∼10 cm yield temperatures close to the diurnal equilibrium temperature. As the radiation is obviously able to escape directly from the regions being observed, why does it not get much colder than this during the long mercurian night?
Geography
1 answer:
jok3333 [9.3K]3 years ago
4 0

Answer:T= 2898*10^-5K

Explanation:

wavelength = 10cm

Using Wien's Law

maximum wavelength= 2898*10^-6/temp(K)

thus T=2898*10^-6/10*10^-2

T= 2898*10^-5K

this is the maximum observed temperature of 10 cm wavelength black body

since this temperature is close to the diurnal equilibrium temperature, that's why it not get much colder.

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<em>Explanation:</em>

The Paris Agreement is a legally binding international treaty on climate change. It was adopted by 196 Parties at COP 21 in Paris, on 12 December 2015 and entered into force on 4 November 2016.  Its goal is to limit global warming to well below 2, preferably to 1.5 degrees Celsius, compared to pre-industrial levels.  To achieve this long-term temperature goal, countries aim to reach global peaking of greenhouse gas emissions as soon as possible to achieve a climate neutral world by mid-century.  The Paris Agreement is a landmark in the multilateral climate change process because, for the first time, a binding agreement brings all nations into a common cause to undertake ambitious efforts to combat climate change and adapt to its effects. Implementation of the Paris Agreement requires economic and social transformation, based on the best available science. The Paris Agreement works on a 5- year cycle of increasingly ambitious climate action carried out by countries. By 2020, countries submit their plans for climate action known as nationally determined contributions (NDCs).

NDCs

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To better frame the efforts towards the long-term goal, the Paris Agreement invites countries to formulate and submit by 2020 long-term low greenhouse gas emission development strategies (LT-LEDS).

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The Paris Agreement speaks of the vision of fully realizing technology development and transfer for both improving resilience to climate change and reducing GHG emissions. It establishes a technology framework to provide overarching guidance to the well-functioning Technology Mechanism. The mechanism is accelerating technology development and transfer through it’s policy and implementation arms.

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<em>With the Paris Agreement, countries established an enhanced transparency framework (ETF). Under ETF, starting in 2024, countries will report transparently on actions taken and progress in climate change mitigation, adaptation measures and support provided or received. It also provides for international procedures for the review of the submitted reports.  </em>

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