Yellowballs tagged posts

‘Yellowballs’ offer new insights into Star Formation

"yellowball" image one
An example of a yellowball (left, circled) and a bubble (right, circled) as seen in infrared images from NASA’s Spitzer Space Telescope. A typical yellowball has a diameter of about a light-year, while a bubble can grow to tens of light-years. This false-color image uses a blue-green-red color scheme to depict infrared wavelengths used in the Milky Way Project and gives rise to the ‘yellow’ color of the feature.
Credit: NASA/JPL-Caltech.

A serendipitous discovery by citizen scientists has provided a unique new window into the diverse environments that produce stars and star clusters, revealing the presence of “stellar nurseries” before infant stars emerge from their birth clouds, according to Planetary Science Institute Senior Scientist Grace Wolf-Chase.

“Yellowballs are small co...

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