Sentence examples for sun active from inspiring English sources

We focus on solar radio emissions from the quiet sun, active regions and during explosive events known as solar flares, and how the latter can bring quantitative informations on the particles responsible for the emission.

Variability of temperature, density, and EUV spectral line intensities in the polar coronal holes, quiet sun and active regions with the solar cycle is discussed.

This would be the fourth Spartan flight with a pair of instruments for observing the solar corona--the sun's active outer layers.

For densely packed cells under high concentrations (>150 suns), an active cooling system is necessary, with a thermal resistance of less than 10−4 K m2/W.

He attributed this to an active sun, minimal volcanic activity, a great number of El Nino years, the natural variability of weather -- plus the greenhouse effect.

The short-term ultraviolet (UV) flux variability can reach up to 25%% for the active Sun (2 % for the quiet Sun) and decreases towards higher wavelengths as shown in Fig. 1b.

A more active Sun causes Earth's atmosphere to puff outward, increasing the drag on satellites.

But anything living on the world may have to withstand extra large doses of radiation from its active sun, Kepler-186.

With Philae latched on and Rosetta circling above, the mission will give scientists their first close observations of a comet as it streaks towards the sun and becomes active.

These have included the solar minimum – when the sun is less active and generating slightly less heat, as occurred in 2008/2009 – and a series of small volcanic eruptions, including that of Iceland's Eyjafjallajökull volcano in 2010.

Flying at 235km will allow little margin for error, especially if the Sun becomes more active.