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Weather

Latest SF Bay Area Weather

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StarDate: Venus and Mercury

Mercury and Venus, the Sun’s closest planets, team up in the eastern sky at dawn the next few mornings. Venus is the “morning star,” so it’s an easy target. Mercury is fainter, but it’s not far to the lower left of Venus, which will help you pick it out.

07/11/2014

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StarDate 7/10/2014: Mars And Spica

A bright star and a brighter planet are staging a beautiful encounter in the evening sky. They’re quite close together tonight, and will pass even closer over the next few nights.

07/10/2014

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StarDate 7/9/2014: A Glittering Test Subject In The Summer Sky

Over the decades, when astronomers wanted a subject for testing new techniques for studying the stars, they frequently turned to Vega, the brightest star of Lyra, the harp.

07/09/2014

A stream of solar wind flowing from this minor coronal hole should reach Earth on July 9-10. (Credit: SDO/AIA)

Massive Solar X-Ray Eruption Hits Earth, Potentially Disrupts GPS And Airplane, Ship Communications

A massive solar flare flooded the sunlit portion of the planet Tuesday morning with X-rays powerful enough to disrupt GPS navigation, and airplane and maritime communication for several minutes.

07/08/2014

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StarDate: Feeling the Heat

FROM THE UNIVERSITY OF TEXAS McDONALD OBSERVATORY, AS HEARD ON KCBS RADIO WEEKDAYS @ 9:52 A.M., 7:35 P.M. & 2:52 A.M. STARDATE 07/04/2014: The Sun may feel bigger and brighter during the hot days of […]

07/04/2014

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StarDate 7/3/2014: Looking For Fresh Ideas

Jupiter’s moon Europa is one of the most intriguing bodies in the solar system. Its icy crust appears to cover a global ocean that could be many miles deep.

07/03/2014

Fireworks illuminate the Golden Gate Bridge...

Fog In The Forecast For Bay Area Fourth Of July 2014

Fog is in the forecast for July 4th, 2014, meaning spectacular fireworks displays will look like fireworks blobs up in the skies over certain parts of the Bay, depending on where they are in the fog belt. The fog usually moves in around 7 or 8:00 p.m., and fireworks shows are scheduled for 9:30 p.m. and 9:45 p.m. around the Bay.

07/03/2014

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StarDate 7/2/2014: Pitching Ideas For New Missions

Dozens of spacecraft are keeping their eyes and ears on the universe, and more are on the way. But it usually takes years from the time a mission is first proposed until it flies in space — and a lot of good candidates never make it.

07/02/2014

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Calm Winds, High Humidity Help Firefighters Keep Napa Blaze Under Control

Calm winds and mild temperatures Wednesday help firefighters to quell a scorching wildfire that’s already consumed 3,200 acres in Northern Napa County.

07/02/2014