Transit of Venus, Viewed Safely

The super-rare phenomenon won't happen again until 2117

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    NEWSLETTERS

    The transit of Venus across the sun brought out amateur and veteran astronomers to see the rare event, not expected to happen again until 2117. Lolita Lopez reports from the Griffith Park Observatory for the NBC4 News at 5 p.m. on June 5, 2012.

    Did you catch the solar eclipse on May 20? Did you vow not to look into the sun only to find yourself tempted to sneak a peek?

    That wise advice -- never look directly at the sun -- was even more apt on Tuesday, June 5 when Venus crossed the face of our nearest star. (Well, Venus is forever passing in front the sun, right? But usually not from our viewpoint.)

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    Because here's science: While Venus is pretty close to the Earth in size, and the moon is not, Venus is much further away from our home turf, meaning it'll be just a dot against the sun, where the moon, being closer, blocked a chunk of the star, which made sense, given that the lunar rock is so much closer to us.

    Phew. We knew those astronomy classes would come in handy one day.

    "It means Venus, the sun and the Earth are all in exact line, and you see if you are looking safely through the proper filters," said Dr. Ed Krupp, Griffith Observatory director. "You'll see this little black dot creep onto the face of the sun and over the course of the next few hours gradually move to the other side until the sun sets and we lose it."

    Griffith Observatory set up a public viewing Tuesday, allowing skygazers to view the passage safetly. Venus began inching across the face of the sun at 3:06 p.m. local time and the telescopes were out on the big lawn. A coelostat, which is a device with mirrors used for solar events, was also be used to look into the face of the sun.

    Neato. Very neato, indeed.

    That was it, folks. The Transit of Venus -- as this is called -- is so rare that it won't happen again for a really long time; stick around for 2117 if you want to experience it again. (That sounds like some far-in-the-future time, but surely some young humans around now will still be here in 2117, which cheers us.)

    Photos: Getty Images

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