SOFIA points telescope toward Pluto occultation

The Stratosphere Observatory for Infrared Astronomy (SOFIA) is a modified Boeing 747SP aircraft that makes celestial observations with its German-built 100-inch telescope. The telescope is enhanced to collect infrared radiation, ...

The effect of starlight on the atmospheres of mini-Neptunes

Exoplanet surveys have discovered the first planets with sizes between 2 and 3.5 Earth radii—slightly smaller than the size of the planet Neptune in our solar system. These planets, dubbed "mini-Neptunes," have been spotted ...

Aerosols, atmospheric rivers, and California reservoirs

In the midst of the California rainy season, scientists are embarking on a field campaign designed to improve the understanding of the natural and human-caused phenomena that determine when and how the state gets its precipitation. ...

Image: Rainbow aurora captured from space station

Auroras occur when particle radiation from the Sun hits Earth's upper atmosphere, making it glow in a greenish blue light. ESA astronaut Alexander Gerst has one of our planet's best views of this phenomenon, circling 400 ...

Checking up on tropical sunlight

Science is not settled on a bet or a hunch. Measurements and data feed conclusions and provide clarity. Scientists at Pacific Northwest National Laboratory found that two ground-based stations on a tropical island, though ...

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