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A primordial star at the outer edges of our Milky Way galaxy upsets current theories of star formation in the universe. The star simply shouldn't exist since it lacks the materials astronomers have long thought necessary for low-mass stars to form, scientists say.
The Tree of Life Web Project (ToL) is a collaborative effort of biologists and nature enthusiasts from around the world . On more than 10,000 World Wide Web pages, the project provides information about biodiversity, the characteristics of different groups of organisms, and their evolutionary history ( phylogeny ). Each page contains information about a particular group, e.g., salamanders , segmented worms , phlox flowers , tyrannosaurs , euglenids , Heliconius butterflies , club fungi , or the vampire squid .
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