Search results for solar cycle 25

Space Exploration Jul 24, 2019

'Terminators' on the Sun trigger plasma tsunamis and the start of new solar cycles

In a pair of new papers, scientists paint a picture of how solar cycles suddenly die, potentially causing tsunamis of plasma to race through the Sun's interior and trigger the birth of the next sunspot cycle only a few short ...

Astronomy Jul 22, 2019

New hard X-ray eclipsing polar identified

Using ESA's XMM-Newton and NASA's Swift spacecraft, astronomers have found that a hard X-ray source known as 2PBCJ0658.0-1746 is an eclipsing magnetic cataclysmic variable of the polar type. The finding, presented in a paper ...

Earth Sciences Jul 15, 2019

NASA's orbiting Carbon Observatory-3 gets first data

NASA's Orbiting Carbon Observatory-3 (OCO-3), the agency's newest carbon dioxide-measuring mission to launch into space, has seen the light. From its perch on the International Space Station, OCO-3 captured its first glimpses ...

Space Exploration Jul 3, 2019

How scientists used NASA data to predict appearance of July 2 eclipse

As sunset drew near on July 2, 2019, thousands along a ribbon of land stretching across Chile and Argentina looked to the skies, waiting for the Moon's shadow to cast them into momentary darkness. They knew a total solar ...

Earth Sciences Jun 26, 2019

The water future of Earth's 'third pole'

Himalaya. Karakoram. Hindu Kush. The names of Asia's high mountain ranges conjure up adventure to those living far away, but for more than a billion people, these are the names of their most reliable water source.

Earth Sciences Jun 21, 2019

Researchers report annual variability of ice-nucleating particle concentrations at different Arctic locations

For the first time, an international research team led by the Leibniz Institute for Tropospheric Research (TROPOS) has investigated atmospheric ice-nucleating particles (INPs) in ice cores, which can provide insights on the ...

Space Exploration May 14, 2019

How Venus and Mars can teach us about Earth

One has a thick poisonous atmosphere, one has hardly any atmosphere at all, and one is just right for life to flourish – but it wasn't always that way. The atmospheres of our two neighbours Venus and Mars can teach us a ...

Space Exploration May 14, 2019

Spring on Pluto: An analysis over 30 years

Whenever it passes in front of a star, Pluto provides precious information about its atmosphere, precious because occultations by Pluto are rare. The survey achieved by researchers from Paris Observatory over several decades ...

Energy & Green Tech Apr 9, 2019

Despite good progress, 100% low-carbon energy is still a long way off for the UK

In the past ten years the UK's electricity mix has changed dramatically. Coal's contribution has dropped from 40 percent to 6 percent. Wind, solar power and hydroelectric plants now generate more electricity than nuclear ...

Space Exploration Apr 8, 2019

Scientists predict sun's activity will be weak during next solar cycle

Scientists charged with predicting the sun's activity for the next 11-year solar cycle say that it's likely to be weak, much like the current one. The current solar cycle, Cycle 24, is declining and predicted to reach solar ...

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