A large sunspot region (AR1429) unleashed an X5 class flare (the second largest of this solar cycle) and a smaller one (X1) late on March 6, 2012, seen in extreme ultraviolet light by the SDO spacecraft. The bright flare (with several smaller flashes) was followed by a large coronal mass ejection that smacked Earth with a moderately strong geomagnetic storm two days later.
A mochila de acampamento que se transforma em rede vai mudar a vida dos viajantes
Os aventureiros de plantão vão adorar essa novidade. É a HackedPack, uma invenção genial que une dois produtos importantes na hora de viajar: uma rede e uma mochila. Ou melhor, uma mochila que se transforma em rede e vice-versa, facilitando a vida e a bagagem de todos os nômades. Feita com três metros de nylon usado em paraquedas e com ca...
Hubble peered at 180,000 stars in the crowded central bulge of our galaxy to search for planets around other stars. The planets could not be imaged directly, but their presence could be calculated from the behavior of their home stars.
What If? Visions of the future
Spain's "photographer-poet" Chema Madoz's vision is based on natural resources | #BBCWhatIf
50 Awe-Inspiring Reminders Of Just How Insignificant We Are
Europe at night, as taken from the International Space Station.
Light from this part of the universe took over thirteen billion years to reach us -- so we have no idea what is there now