Anne’s Picture of the Day: Saturn’s moon Hyperion
read more at Anne’s Astronomy News http://annesastronomynews.com/
February 6, 2013
Saturn’s irregularly-shaped moon Hyperion
Image Credit: Cassini Imaging Team, SSI, JPL, ESA, NASA
Hyperion is, at 410 x 260 x 220 kilometers (255 x 163 x 137 miles) in diameter, the largest of Saturn’s irregularly-shaped moons and the largest irregularly-shaped moon in the Solar System. A possible explanation for the irregular shape is that Hyperion is a fragment of a larger body that was broken by a large impact in the distant past.
The moon has a notably reddish tint when viewed in natural color. The red color was toned down in this false-color view, and the other hues were enhanced, in order to make more subtle color variations across Hyperion’s surface more apparent.
Hyperion’s surface shows an enormous ridge and is covered with deep, sharp-edged craters that give it the appearance of a giant sponge. Dark material fills the bottom of each crater. The reddish substance contains long chains of carbon and hydrogen. The largest crater on Hyperion is approximately 121.57 km in diameter and 10.2 km deep.
This cold moon, with a temperature of 93 K (−180 C), consists for about 40 percent of empty space . This porosity allows craters to remain nearly unchanged over the eons. Hyperion’s low density indicates that it is composed largely of water ice with only a small amount of rock.
Hyperion orbits Saturn in 21.28 days in a fairly eccentric orbit and it’s rotation is chaotic, that is, its axis of rotation wobbles so much that its orientation in space is unpredictable. Hyperion is the only moon in the Solar System known to rotate chaotically. It is also the only regular natural satellite in the Solar System not to be tidally locked.
Images taken using infrared, green and ultraviolet spectral filters were combined to create this view. The images were taken during Cassini’s very close flyby on Sept. 26, 2005, with the narrow-angle camera at a distance of approximately 62,000 kilometers (38,500 miles) from Hyperion. The image scale is 362 meters (1,200 feet) per pixel.
n/a
2013-02-06 05:20:40
Source: http://annesastronomynews.com/annes-picture-of-the-day-saturns-moon-hyperion/
Source:
Anyone can join.
Anyone can contribute.
Anyone can become informed about their world.
"United We Stand" Click Here To Create Your Personal Citizen Journalist Account Today, Be Sure To Invite Your Friends.
Before It’s News® is a community of individuals who report on what’s going on around them, from all around the world. Anyone can join. Anyone can contribute. Anyone can become informed about their world. "United We Stand" Click Here To Create Your Personal Citizen Journalist Account Today, Be Sure To Invite Your Friends.
LION'S MANE PRODUCT
Try Our Lion’s Mane WHOLE MIND Nootropic Blend 60 Capsules
Mushrooms are having a moment. One fabulous fungus in particular, lion’s mane, may help improve memory, depression and anxiety symptoms. They are also an excellent source of nutrients that show promise as a therapy for dementia, and other neurodegenerative diseases. If you’re living with anxiety or depression, you may be curious about all the therapy options out there — including the natural ones.Our Lion’s Mane WHOLE MIND Nootropic Blend has been formulated to utilize the potency of Lion’s mane but also include the benefits of four other Highly Beneficial Mushrooms. Synergistically, they work together to Build your health through improving cognitive function and immunity regardless of your age. Our Nootropic not only improves your Cognitive Function and Activates your Immune System, but it benefits growth of Essential Gut Flora, further enhancing your Vitality.
Our Formula includes: Lion’s Mane Mushrooms which Increase Brain Power through nerve growth, lessen anxiety, reduce depression, and improve concentration. Its an excellent adaptogen, promotes sleep and improves immunity. Shiitake Mushrooms which Fight cancer cells and infectious disease, boost the immune system, promotes brain function, and serves as a source of B vitamins. Maitake Mushrooms which regulate blood sugar levels of diabetics, reduce hypertension and boosts the immune system. Reishi Mushrooms which Fight inflammation, liver disease, fatigue, tumor growth and cancer. They Improve skin disorders and soothes digestive problems, stomach ulcers and leaky gut syndrome. Chaga Mushrooms which have anti-aging effects, boost immune function, improve stamina and athletic performance, even act as a natural aphrodisiac, fighting diabetes and improving liver function. Try Our Lion’s Mane WHOLE MIND Nootropic Blend 60 Capsules Today. Be 100% Satisfied or Receive a Full Money Back Guarantee. Order Yours Today by Following This Link.
| Visits: | 1,708,172,532 |
| Stories: | 8,449,692 |
Whistler Blowers, Insiders
