... Lightning on Earth . ... The strangely shaped blueberry rocks are shown above in an image taken by Opportunity's microscopic imager on August 9. ... Enjoying the bright Moon's absence from early morning skies, observers around the world reported lovely displays during this year's Perseid meteor shower. ... In dark, moonless, predawn skies you may see dozens of meteors per hour. ... Connecting the Pipe Nebula to the bright star Antares is a flowing dark cloud nicknamed the Dark River. ... August . ...