Is it true that the other planets in our solar system are heating up too?

Is it true that the other planets in our solar system are heating up too?

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Is it true that the other planets in our solar system are heating up too?

This stems back to Global Warming, I have been hearing that it has been scientifically determined that our entire solar system is heating up and that our Sun has been acting different than the norm also???

There are three fundamental flaws in the ‘other planets are warming’ argument. Not all planets in the solar system are warming. The sun has shown no long term trend since 1950 and in fact has shown a slight cooling trend in recent decades. There are explanations for why other planets are warming.The basis of this argument is that the sun must be causing global warming and in fact, warming throughout the solar system. There are several flaws in this line of thought. Firstly, the characterization that the whole solar system is warming is erroneous. Around 6 planets or moons out of the more than 100 bodies in the solar system have been observed to be warming. On the other hand, Uranus is cooling.Secondly, the theory that a brightening sun is causing global warming falls apart when you consider the sun has shown little to no trend since the 1950s. A variety of independent measurements of solar activity including satellite data, sunspot numbers, UV levels and solar magneto grams all paint a consistent picture. Over the last 35 years of global warming, sun and climate have been moving in opposite directions.Martian climate is primarily driven by dust and albedo. Global dust storms increase the surface albedo by settling brighter dust on dark surfaces. Higher albedo leads to more sunlight being reflected which has a cooling effect. Snapshots of Mars’ surface in 1977 and 1999 find that the surface was brighter in 1977 and darker in 1999. However, this doesn’t necessarily point to a long term warming trend – the 1977 snapshot was made shortly after a global dust storm while the 1999 snapshot occurred before a dust storm. Consequently, there is little empirical evidence that long term global warming on Mars is occurring.Neptune’s orbit is 164 years so observations (1950 to present day) span less than a third of a Neptunian year. Climate modeling of Neptune suggests its brightening is a seasonal response.Eg. – Neptune’s southern hemisphere is heading into summer.Neptune’s largest moon, Triton, has warmed since the Voyager space probe visited it in 1989. The moon is approaching an extreme southern summer, a season that occurs every few hundred years. During this special time, the moon’s southern hemisphere receives more direct sunlight.Jupiter’s storms are fueled by the planet’s own internal heat (sunlight is 4% the level of solar energy at Earth). When several storms merge into one large storm (eg – Red Spot Jr), the planet loses its ability to mix heat, causing warming at the equator and cooling at the poles.Pluto’s warming is not clearly understood. Pluto’s orbit is much more elliptical than that of the other planets, and its rotational axis is tipped by a large angle relative to its orbit. Both factors could contribute to drastic seasonal changes. As Pluto’s orbit is equivalent to 248 Earth years and observed warming spans only 14 years, it is likely this is a seasonal response.

As far as your second question is concerned,yeah,the sun’s activity is winding down, triggering fevered debate among scientists about how low it will go, and what it means for Earth’s climate. NASA recorded no sunspots on 266 days in 2008 – a level of inactivity not seen since 1913 – and 2009 looks set to be even quieter. Solar wind pressure is at a 50-year low and our local star is ever so slightly dimmer than it was 10 years ago.Sunspots are the most visible sign of an active sun – islands of magnetism on the sun’s surface where convection is inhibited, making the gas cooler and darker when seen from Earth – and the fact that they’re vanishing means we’re heading into a period of solar lethargy.

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