imaging – Alaska Native News

Holiday Asteroid Imaged with NASA Radar

By Charles Blue | National Radio Astronomy Observatory, DC Agle Jet Propulsion Laboratory, Dwayne Brown / JoAnna Wendel | NASA, Ricardo Correa | Arecibo Observatory on Dec 21, 2018 Featured, Science/Education

The December 2018 close approach by the large, near-Earth asteroid 2003 SD220 has provided astronomers an outstanding opportunity to obtain detailed radar images of the surface and shape of the object and to improve the understanding of its orbit. The asteroid will fly safely past Earth on Saturday, Dec. 22, at a distance of about […]

Pain can be a Self-Fulfilling Prophecy

By Lisa Marshall | University of Colorado-Boulder on Nov 13, 2018 Health, Science/Education

Expect a shot to hurt and it probably will, even if the needle poke isn’t really so painful. Brace for a second shot and you’ll likely flinch again, even though – second time around – you should know better. That’s the takeaway of a new brain imaging study published in the journal Nature Human Behaviour which found […]