Astronomy update

This video says about itself:

Backyard Worlds: The Search For Planet 9

15 February 2017

Citizen scientists join the search for Planet 9. Backyard Worlds enlists amateurs to look for celestial objects. By Ashley Yeager, 7:00am, May 29, 2017: here.

Why you can hear and see meteors at the same time. Radio waves may explain the mysterious phenomenon. By Thomas Sumner, 7:00am, May 30, 2017: here.

Climate changes associated with global warming can affect astronomical observations. That is the result of a study involving scientists from the University of Cologne. The international research team investigated a range of climate parameters at the Very Large Telescope (VLT) at the Paranal in the Atacama Desert in Chile, where the European Southern Observatory (ESO) operates its telescopes. Among other things, the team evaluated the data for temperature, wind speed and wind direction, and the water vapour content in the atmosphere over a period of several decades. This revealed an increase in temperatures above the world average and also increasing image blur due to air turbulence — so-called seeing: here.

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