iron tagged posts

New Research adds a Wrinkle to our Understanding of the Origins of Matter in the Milky Way

This image combines data from four space telescopes to reconstruct all that remains of the oldest documented example of a supernova, which was witnessed in 185 A.D. by Chinese astronomers. Supernovae are understood to be important sources of cosmic rays arriving at Earth. Image credit: NASA

New findings published this week in Physical Review Letters suggest that carbon, oxygen, and hydrogen cosmic rays travel through the galaxy toward Earth in a similar way, but, surprisingly, that iron arrives at Earth differently. Learning more about how cosmic rays move through the galaxy helps address a fundamental, lingering question in astrophysics: How is matter generated and distributed across the universe?

“So what does this finding mean?” asks John Krizmanic, a senior scientist with UMBC’s...

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Geology helps Astronomers find Habitable Planets

UBCO’s Brendan Dyck is using his geology expertise about planet formation to help identify other planets that might support life. Image Credit: NASA/Goddard Space Flight Center.

Findings will help better identify Earth-like planets that could sustain life. Astronomers have identified more than 4,000, and counting, confirmed exoplanets – planets orbiting stars other than the sun – but only a fraction have the potential to sustain life.

Now, new research from UBC’s Okanagan campus is using the geology of early planet formation to help identify those that may be capable of supporting life.

“The discovery of any planet is pretty exciting, but almost everyone wants to know if there are smaller Earth-like planets with iron cores,” says Dr...

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Dietary Cocoa improves Health of Obese Mice; likely has Implications for Humans

This study used a commercially available cocoa product at a “physiologically achievable dose” — meaning its equivalent could be duplicated by humans. For people it works out to about 10 tablespoons of cocoa powder a day.
 IMAGE: GETTYIMAGES FCAFOTODIGITAL

Supplementation of cocoa powder in the diet of high-fat-fed mice with liver disease markedly reduced the severity of their condition, according to a new study by Penn State researchers, who suggest the results have implications for people.

Cocoa powder, a popular food ingredient most commonly used in the production of chocolate, is rich in fiber, iron and phytochemicals reported to have positive health benefits, including antioxidant polyphenols and methylxanthines, noted study leader Joshua Lambert, professor of food science ...

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Has Earth’s Oxygen Rusted the Moon for Billions of Years?

Enhanced map of hematite (red color near poles) on Moon using a spheric projection, nearside only.
Enhanced map of hematite (red) on Moon using a spheric projection (nearside only). Credit: Shuai Li

To the surprise of many planetary scientists, the oxidized iron mineral hematite has been discovered at high latitudes on the Moon, according to a study published today in Science Advances led by Shuai Li, assistant researcher at the Hawai’i Institute of Geophysics and Planetology (HIGP) in the UH Mānoa School of Ocean and Earth Science and Technology (SOEST).

Iron is highly reactive with oxygen – forming reddish rust commonly seen on Earth. The lunar surface and interior, however, are virtually devoid of oxygen, so pristine metallic iron is prevalent on the Moon and highly oxidized iron has not been confirmed in samples returned from the Apollo missions...

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