No, the simple answer is that the Earth turns so that it is not facing the sun, due to the fact the Earth blocks out the light. If you want a more detailed answer on this, look up Olber's Paradox.
the thicker the clouds the cooler they are
Thick clouds act as a blanket by trapping heat coming from the Earth's surface, thus preventing it from escaping into space. This warms the air underneath the clouds and helps to maintain a more stable temperature throughout the night.
Thick low clouds that are a sign of rain are called nimbostratus clouds. These clouds are typically gray and cover the sky, producing long periods of steady precipitation.
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Nimbostratus clouds are thick, low-level clouds that bring steady rain or snow. These clouds often cover the sky in a blanket of gray or dark gray, and the precipitation they produce can last for a long period of time.
Rain forms in nimbostratus clouds, which are thick, dark clouds that cover the sky and are associated with steady precipitation.
Nimbostratus clouds bring heavy rain. These clouds are thick, dark, and cover the sky with rain falling steadily from them. They are associated with continuous, prolonged precipitation.
Thick clouds can have a moderating effect on temperature in surrounding areas by trapping heat during the night, which can prevent temperatures from dropping as low as they might under clear skies. During the day, however, these clouds can block sunlight, leading to cooler temperatures. Overall, the presence of thick clouds tends to create a more stable temperature range, reducing extremes between day and night.
The clouds you are describing sound like nimbostratus clouds. These clouds are characterized by their thick, low-level appearance and can bring continuous light rain or drizzle as they cover the sky, blocking out sunlight. Nimbostratus clouds are often associated with overcast and gloomy weather conditions.
Venus has thick yellowish clouds composed of sulfuric acid droplets that reflect a significant amount of sunlight. These clouds completely cover the planet's surface, creating the dense atmosphere that traps heat and contributes to Venus's extreme temperatures.
Cloud cover significantly influences surface weather by regulating temperature, precipitation, and humidity. Thick clouds can block sunlight, leading to cooler temperatures during the day, while at night, they can trap heat, resulting in warmer temperatures. Additionally, cloud cover is often associated with precipitation, as moisture-laden clouds can lead to rain or snow. Overall, the presence and type of clouds can alter local weather patterns and conditions.
Venus has the most clouds among the terrestrial planets. Its thick atmosphere is filled with sulfuric acid clouds that completely cover the planet, creating a permanent cloud layer.