Perigean spring tide Perigean spring tide A proxigean spring tide (also known as a perigean spring tide) is a tide that occurs three or four times per year when the Moon's perigee (its closest point to Earth during its 29.5-day elliptical orbit) coincides with a spring tide (when the Earth, Sun and Moon are nearly aligned every two weeks). This tide usually adds only a couple of inches to normal spring tides. The Moon's orbit around Earth is elliptical, which causes the Moon to be closer to Earth and farther away at different times. The Moon and the Sun are aligned every two
Sliver of a Full Moon Sliver of a Full Moon Sliver of a Full Moon is a play by Mary Kathryn Nagle. The play was written in 2013 following the re-authorization of the Violence Against Women Act (VAWA). Mary Kathryn Nagle is an enrolled member of the Cherokee Nation, and has written and produced several plays involving law and Indian affairs. The play is told in a semi-linear way, juxtaposing the stories of real people who suffered under the jurisdiction laws involving Indian reservations in the United States with the efforts of several indigenous men and women to re-authorize the VAWA bill. Most productions of