Maybe the solar wind was stronger then?

也许那时候太阳风更强？

youdao

There is evidence that the solar wind was more intense in the past.

有证据表明，太阳风在以往是更加强烈的。

youdao

The scientists concluded that the solar wind activity must follow the same cycle.

科学家们得出结论，太阳风的活动必须遵循相同的周期。

youdao

More than ninety percent of these jobs will be in the private sector -- jobs rebuilding our roads and bridges, constructing wind turbines and solar panels, laying broadband and expanding mass transit."

VOA: special.2009.02.27

Some mountainous regions benefit from hydropower. Less than four percent of the nation's electricity demand is met with renewable sources like solar and wind power.

VOA: standard.2010.03.23

"Since we have introduced the feed-in tariff, we have seen a strong increase in the production of power from wind,from biomass and from solar power.

VOA: standard.2010.03.23

Subsequent missions will analyse the solar wind, three comets and the planet Mercury.

BBC: At a glance: Asteroid touchdown

Also, changes in the speed and pressure of the solar wind cause the termination shock to expand, contract and ripple.

BBC: Voyager impression (Nasa)

Genesis had painstakingly deployed the collector tiles and foil over the last two years to capture atoms from the solar wind.

CNN: High hopes to salvage Genesis science