The temperature range on a continental planet can vary depending on various factors such as distance from the star, atmosphere composition, and geology. However, on a hypothetical continental planet similar to Earth, the temperature range can typically vary from -50 degrees Celsius (-58 degrees Fahrenheit) to 50 degrees Celsius (122 degrees Fahrenheit). This range is influenced by factors such as seasonal variations, latitude, and local weather patterns.

If we consider a fictional continental planet with methane seas, the temperature range would be significantly different from that of a planet with water seas like Earth. On such a planet, the temperature range would depend on the boiling and freezing points of methane, which are approximately -162 degrees Celsius (-259.6 degrees Fahrenheit) and -182 degrees Celsius (-295.6 degrees Fahrenheit), respectively, at standard atmospheric pressure. In areas where the methane seas are present, the temperatures would likely range between these two freezing and boiling points of methane, with variations due to factors such as latitude and elevation. Additionally, the presence of an atmosphere and weather systems would also affect the local temperature range. However, it is important to note that this is a hypothetical scenario, as we haven't yet discovered a continental planet with methane seas.

A rogue continental planet with helium seas would be an extremely speculative scenario, as helium is a lighter-than-air gas and is unlikely to exist in liquid form on the surface of a planet. However, if such a planet were to exist, its temperature range would depend on a variety of factors, including atmospheric composition and distance from its star. Given that helium has a boiling point of -268.93 degrees Celsius (-452.07 degrees Fahrenheit), the temperature range on a rogue continental planet with helium seas could vary from temperatures approaching absolute zero to warmer temperatures depending on factors such as proximity to a star, internal heat sources, and atmospheric composition. It is important to note that this scenario is highly theoretical and not based on any known observations of planets in our universe.

Coelia is a fictional continental planet featuring vast seas of water and is adorned with vibrant yellow vegetation. It is an intriguing and diverse world, with unique characteristics that make it visually captivating. The planet's surface is dominated by expansive continents, with interconnected rivers and lakes meandering across the terrain. These water bodies provide a vital source of life, supporting a rich ecosystem of flora and fauna. Despite the presence of water, Coelia experiences extreme temperatures, reaching up to a scorching 200 degrees Celsius (392 degrees Fahrenheit). This high temperature range poses significant challenges for life to exist on the planet. However, certain resilient and heat-tolerant organisms have adapted to thrive in the harsh environment. One of the most striking features of Coelia is its yellow vegetation. The plant life on the planet has evolved unique adaptations to survive the high temperatures and scarcity of water. These plants have developed specialized pigments that give them a vibrant yellow color, helping them reflect excess sunlight and minimize water loss through evaporation. The yellow plants of Coelia provide a stunning contrast against the blue waters and the dark-colored landmasses. They form dense forests, covering large areas with their canopy, while bright hues dot the landscape, creating a mesmerizing vista. Coelia's unique combination of extreme temperatures, water bodies, and yellow vegetation makes it a visually captivating and biologically interesting world. Although challenging, life has managed to thrive and adapt to the harsh conditions, showcasing the incredible resilience and diversity found in the universe.