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Tiktaalik roseae - Between fish and land animal
Tiktaalik is a new species that was disovered in 2006 that has fish like features and features like a land animal. They have features of fish as well as tretrapods. Several fossils have been discovered of this fish. An extant fish Alligator Gar resembles the Tiktaalik most. Click here for more details.
What is in a black hole
Astronomers reveal content of Black Hole Jets: Positively Charged Atoms
"An international team of astronomers has answered a long standing question about the enigmatic jets emitted by black holes, in research published today in prestigious journal Nature. Jets are narrow beams of matter spat out at high speed from near a central object, like a black hole. "Although they have been observed for decades, we're still not sure what they are made of, or what powers them," ESO astronomer Dr María Díaz Trigo, lead author of the study, said. Click here to read more.
Image Acknowledgement: This is a model of the black hole system with the jets that have been found to contain atomic matter. Credit: J. Miller-Jones (ICRAR) using software created by R. Hynes.