by Ann » Wed Jul 24, 2024 6:32 pm
johnnydeep wrote: ↑Wed Jul 24, 2024 6:11 pm
zendae wrote: ↑Wed Jul 24, 2024 2:35 pm
And there is another special interest involving the Moon's South Pole: it may harbor the coldest non-space areas in the entire Solar System. Almost everywhere, on every rocky planet and moon, there are places that receive no direct sunlight, but according to current data, all receive secondary light...except for some areas in craters in the South Pole of our Moon.
Perhaps, since science is an evolving gestalt, if you will, the data on this could change. But for now, our own Moon has the coldest temps in the entire Solar System.
Really? Pluto? Sedna? Other dwarf planets? Very long long duration comets?
Okay, I asked Google.
University of Hull wrote:
What is the coldest planet in the Solar System? – Sejal, aged seven, Bangalore, India
The planets in our Solar System are heated by the Sun. Here on Earth, we are about 100 million miles away from the Sun – a distance that provides the perfect temperature for life.
You might think, then, that the coldest planet in the Solar System would be Neptune, as it is the furthest away from the Sun’s warmth. Neptune is an incredible three billion miles away from the Sun.
However, the coldest planet is not Neptune, but Uranus – even though Uranus is a billion miles closer to the Sun than Neptune. Uranus holds the record for the coldest temperature ever measured in the Solar System: a very chilly -224℃. The temperature on Neptune is still very cold, of course – usually around -214℃ – but Uranus beats that.
...
You might also be surprised to learn that the closest planet to the Sun, Mercury, can also be extremely cold. While the side of Mercury facing the Sun is more than 400℃, the side facing away from the Sun is nearly -200℃.
Well, there is nothing here about the temperature of the south pole of the Moon, so I asked Google specifically about that, and this is what it told me:
Adda247 wrote:
The moon’s south pole experiences extreme temperatures due to its location.
Temperatures can drop to as low as -230 degrees Celsius (-382 degrees Fahrenheit) in shadowed regions.
Such frigid conditions are attributed to the prolonged absence of sunlight in certain areas.
So that suggests that the south pole of the Moon is colder than Uranus or Neptune! But I don't believe that is true. There are probably places on Uranus or Neptune that can drop below 230
oC. And if not, then at least Pluto beats the south pole of the Moon when it comes to ultra-freezing temperatures:
Science.nasa.gov wrote:
On average, Pluto’s temperature is -387°F (-232°C), making it too cold to sustain life.
So Pluto might be the Ice Cold Champion of the Solar system!
But I would guess that there are other Kuiper Belt objects that are still colder!
Ann
[quote=johnnydeep post_id=340415 time=1721844665 user_id=132061]
[quote=zendae post_id=340412 time=1721831756 user_id=143056]
And there is another special interest involving the Moon's South Pole: it may harbor the coldest non-space areas in the entire Solar System. Almost everywhere, on every rocky planet and moon, there are places that receive no direct sunlight, but according to current data, all receive secondary light...except for some areas in craters in the South Pole of our Moon.
Perhaps, since science is an evolving gestalt, if you will, the data on this could change. But for now, our own Moon has the coldest temps in the entire Solar System.
[/quote]
Really? Pluto? Sedna? Other dwarf planets? Very long long duration comets?
[/quote]
Okay, I asked Google. :wink:
[quote][url=https://www.hull.ac.uk/work-with-us/more/media-centre/news/2021/curious-kids-what-is-the-coldest-planet-in-the-solar-system]University of Hull[/url] wrote:
[b]What is the coldest planet in the Solar System? – Sejal, aged seven, Bangalore, India[/b]
The planets in our Solar System are heated by the Sun. Here on Earth, we are about 100 million miles away from the Sun – a distance that provides the perfect temperature for life.
You might think, then, that the coldest planet in the Solar System would be Neptune, as it is the furthest away from the Sun’s warmth. Neptune is an incredible three billion miles away from the Sun.
However, the coldest planet is not Neptune, but Uranus – even though Uranus is a billion miles closer to the Sun than Neptune. Uranus holds the record for the coldest temperature ever measured in the Solar System: a very chilly -224℃. The temperature on Neptune is still very cold, of course – usually around -214℃ – but Uranus beats that.
...
You might also be surprised to learn that the closest planet to the Sun, Mercury, can also be extremely cold. While the side of Mercury facing the Sun is more than 400℃, the side facing away from the Sun is nearly -200℃.[/quote]
Well, there is nothing here about the temperature of the south pole of the Moon, so I asked Google specifically about that, and this is what it told me:
[quote][url=https://currentaffairs.adda247.com/exploring-the-moons-south-pole-temperature-range-and-area/]Adda247[/url] wrote:
The moon’s south pole experiences extreme temperatures due to its location.
Temperatures can drop to as low as -230 degrees Celsius (-382 degrees Fahrenheit) in shadowed regions.
Such frigid conditions are attributed to the prolonged absence of sunlight in certain areas.[/quote]
So that suggests that the south pole of the Moon is colder than Uranus or Neptune! But I don't believe that is true. There are probably places on Uranus or Neptune that can drop below 230[sup][size=85]o[/size][/sup]C. And if not, then at least Pluto beats the south pole of the Moon when it comes to ultra-freezing temperatures:
[quote][url=https://science.nasa.gov/dwarf-planets/pluto/facts/]Science.nasa.gov[/url] wrote:
On average, Pluto’s temperature is -387°F (-232°C), making it too cold to sustain life.[/quote]
So Pluto might be the Ice Cold Champion of the Solar system! :brr: But I would guess that there are other Kuiper Belt objects that are still colder!
Ann