Category Archives: Imaging

Energy-Efficient Lights Could be Making Light Pollution Worse

Earth’s city lights. Image by Craig Mayhew and Robert Simmon/NASA GSFC.

City lights drive back the night a little more each year, disrupting ecological cycles, and the switch from orange-yellow sodium lights to bluish-white LEDs might be making the problem worse.

Read/listen to my full story at KJZZ’s Arizona Science Desk:
Artificial Light Pollution On The Rise Globally, LEDs Might Be Making It Worse

El Nino CO2 Levels Suggest Grim Carbon Future

Image: OCO-2 /JPL-Caltech/NASA.

The years 2015 and 2016 saw record levels of excess carbon dioxide in the atmosphere, even though human carbon emissions have stabilized in recent years. Now, scientists think they know why.

Read/listen to my full story at KJZZ’s Arizona Science Desk:
NASA: Spike In Atmospheric CO2 Related To El Nino

Detecting Gravitational Waves from Prescott, Arizona

This year’s Nobel Prize in Physics was awarded to three men, but the detection of gravitational waves was the work of a thousand scientists and students — 10 of them from Embry-Riddle Aeronautical University in Prescott.

Read/listen to my full story at KJZZ’s Arizona Science Desk:
Embry-Riddle Scientists, Students Contribute to Nobel-Winning Research

Eclipse Programs, Glasses Available at Phoenix Libraries

Image by Vic Viatour.

As Monday’s solar eclipse draws near, many Phoenicians worry they won’t be able to find viewing glasses — or that they’ll get unsafe knockoffs instead. But Phoenix libraries are offering a fun and educational way for kids to get theirs.

Read/listen to my full story at KJZZ’s Arizona Science Desk:
Phoenix Libraries Offer Programs, Eclipse-Viewing Glasses For Kids

NASA Moves Up Psyche Mission Timetable

Image courtesy Space Systems Loral/Arizona State University/Peter Rubin

NASA’s mission to 16 Psyche, the solar system’s only known iron-nickel asteroid, will launch in the summer of 2022, one year earlier than originally planned.

Read/listen to my full story at KJZZ’s Arizona Science Desk:
NASA’s Psyche Mission Will Launch a Year Early, Arrive at Target Four Years Sooner