In November of 1969, homeward bound aboard the "Yankee Clipper" command module, the Apollo 12 [
http://antwrp.gsfc.
] astronauts took this dramatic photograph of the Sun emerging from behind the Earth. From this distant perspective, part of the solar disk peers over the Earth's limb [
http://antwrp.gsfc.
], its direct light producing the jewel like glint while sunlight scattered by the atmosphere creates the thin bright crescent. Today at 10:24 pm Eastern Daylight [
http://www.ast.cam.
] Time [
http://www.phys.was
] is the Summer Solstice [
http://www.lalc.k12
]. From an earthbound perspective [
http://dlt.gsfc.nas
], the solar disk will climb to its greatest northern declination [
http://www.csbsju.e
] marking the Northern Hemisphere's first day of Summer [
http://antwrp.gsfc.
] and creating the longest day -- with over 15 hours of daylight [
http://nobody.vn.fi
] near latitude 40 degrees.
Explanation
In November of 1969, homeward bound aboard the "Yankee Clipper" command module, the Apollo 12 [
http://antwrp.gsfc.
] astronauts took this dramatic photograph of the Sun emerging from behind the Earth. From this distant perspective, part of the solar disk peers over the Earth's limb [
http://antwrp.gsfc.
], its direct light producing the jewel like glint while sunlight scattered by the atmosphere creates the thin bright crescent. Today at 10:24 pm Eastern Daylight [
http://www.ast.cam.
] Time [
http://www.phys.was
] is the Summer Solstice [
http://www.lalc.k12
]. From an earthbound perspective [
http://dlt.gsfc.nas
], the solar disk will climb to its greatest northern declination [
http://www.csbsju.e
] marking the Northern Hemisphere's first day of Summer [
http://antwrp.gsfc.
] and creating the longest day -- with over 15 hours of daylight [
http://nobody.vn.fi
] near latitude 40 degrees.
Explanation