STEM Events Calendar
Upcoming events
- Astronomical events
- Eclipses
- International days
- OpenSciEd
Event
Hooray! Dark skies (no moon) interfering with one of the best showers of the year, producing up to 60 meteors per hour at its peak. Although the predicted peak falls during the night of August 12-13, it has a long range: from July 14 to September 1. So, you can start watching for these meteors in the early August morning hours. The Perseid meteor shower is perhaps the most beloved meteor shower of the year in the Northern Hemisphere. It's a rich and steady shower. These fast and bright meteors radiate from a point in the constellation Perseus the Hero. As with all meteor shower radiant points, you don't need to know Perseus to watch the shower. Instead, the meteors appear in all parts of the sky, frequently leaving persistent trails. Perseid meteors tend to strengthen in number from midnight to the wee hours before dawn. These meteors are the result of our passing through the tail of Comet Swift-Tuttle. For a while, astronomers calculated that this comet would collide with the Earth during the Perseids in 2126. Such an impact would have spoiled any stargazing since the comet is the largest near-Earth object that periodically passes through our sky. If Swift-Tuttle ever does hit the Earth, its 60 km/s impact will be about 27 times more energetic than the asteroid strike that wiped out the dinosaurs.
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To experience greatest totality, you might get a lucky break in the clouds in Greenland or Iceland... but unlikely according to Eclipsophile: "Two-thirds of the Moon's shadow path falls over water and even a casual glance at Figure 1 shows that ship-borne viewing sites will be challenged to find good weather. Instead, the best observing sites are on land or close to land and of these, Spain and Mallorca are the most promising."
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Is that a plane landing in the western sky, just after sunset? No, it's Venus at its greatest eastern elongation (farthest from the Sun and less washed out.) Did you know that Venus has phases, like the Moon? In binoculars you can often see its crescent shape. But you'll never see a truly "full" Venus: that happens when the planet is on the far side of the Sun, lost in its glare.
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