Latest images from New Horizons see Pluto’s polar cap
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Images taken between April 12 and April 18 by New Horizons of Pluto not only show one complete rotation of the planet as well as its moon Charon, the images also show a bright spot at Pluto’s pole that could be a polar cap.
The article calls it an “ice cap” but that is premature. At Pluto that cap could be made of a number of materials, not just water. We will not know until New Horizons gets closer.
For many reasons, mostly political but partly ethical, I do not use Google, Facebook, Twitter. They practice corrupt business policies, while targeting conservative websites for censoring, facts repeatedly confirmed by news stories and by my sense that Facebook has taken action to prevent my readers from recommending Behind the Black to their friends.
Thus, I must have your direct support to keep this webpage alive. Not only does the money pay the bills, it gives me the freedom to speak honestly about science and culture, instead of being forced to write it as others demand.
Please consider donating by giving either a one-time contribution or a regular subscription, as outlined in the tip jar below.
Regular readers can support Behind The Black with a contribution via paypal:
If Paypal doesn't work for you, you can support Behind The Black directly by sending your donation by check, payable to Robert Zimmerman, to
Behind The Black
c/o Robert Zimmerman
P.O.Box 1262
Cortaro, AZ 85652
You can also support me by buying one of my books, as noted in the boxes interspersed throughout the webpage. And if you buy the books through the ebookit links, I get a larger cut and I get it sooner.
Images taken between April 12 and April 18 by New Horizons of Pluto not only show one complete rotation of the planet as well as its moon Charon, the images also show a bright spot at Pluto’s pole that could be a polar cap.
The article calls it an “ice cap” but that is premature. At Pluto that cap could be made of a number of materials, not just water. We will not know until New Horizons gets closer.
Given that the solar illumination at Pluto is 900 times weaker than at Earth, can we assume these images have been adjusted in terms of brightness so that they wouldn’t just look like barely lit up gray circles?