Hubble peers into globular cluster NGC 6325

The densely packed globular cluster NGC 6325 glistens in this image from the NASA/ESA Hubble Space Telescope. This concentrated group of stars lies around 26,000 light-years from Earth in the constellation Ophiuchus.

Measuring the greenhouse effect accurately

Solar radiation enters the Earth's atmosphere without any hindrance and should normally leave it as heat. Unfortunately, this is impeded by the thickening "greenhouse roof" consisting of carbon dioxide and other gases.

Despite improvements, China's air remains unsafe

Fine particulate matter (PM2.5) and ozone exposure are major public health problems in China. Although useful, atmospheric models used to analyze these and other air quality concerns over the years are expensive to run, limiting ...

Understanding Spica (Alpha Virginis)

The familiar star Spica (Alpha Virginis) is the fifteenth brightest star in the night sky, in part because it is relatively nearby, only about 250 light-years away. It is easy to find by following the arc of the Big Dipper's ...

Blog comment, collab help man attack old maths problem

Chris Cesare in Nature reported on Friday that Terence Tao successfully attacked the Erdős discrepancy problem by building on an online collaboration. Tao is a professor in the math department at UCLA. He works primarily ...

page 1 from 5


Discrepancy may refer to:

This text uses material from Wikipedia, licensed under CC BY-SA