For many of the participants, this was their first visit outside the Iron Curtain.

Blue and purple emissions, typically at the lower edges of the curtains , show up at the highest levels of solar activity.

Gallery References External links Drycleaning and Laundry Institute (formerly International Fabricare Institute) The International body for the cleaning of fabrics

On Twitter, Khaled Safi shares a photograph showing how work is progressing in putting up canopies, to shield worshippers from the sun during the midday Friday prayers.

) The rapid decrease of concentration of atomic oxygen below about 100 km is responsible for the abrupt looking end of the lower edges of the curtains.

somebody blundered out of nervousness (they dropped the bottle, burned the curtains, lit the wick too soon, didn t manage to open the window, and so on)

They will know how to keep such information discreet, just as they might close the curtains to get undressed in their hotel room after enjoying the view from the balcony.

And when I had this thought, I was imagining that I would make I would have a whole machine theater evening, where I would you would have an audience, the curtain would open, and you'd be entertained by machines on stage.