Planet Venus [
http://www.nineplan
] traced out this S [
http://www.mentalla
] shape in Earth's sky during 2004. Following the second planet from the Sun in a series of 29 images recorded from April [
http://antwrp.gsfc.
] 3rd through August 7th (top right to bottom left) of that year, astronomer Tunc Tezel constructed this composite illustrating the wandering planet's [
http://csep10.phys.
retrograde.html ] path against the background stars. The series reveals Venus' apparent retrograde motion [
http://www.scienceu
retro.html ] transporting it from a brilliant evening star to morning's celestial beacon. Of course, in 2004, after sinking into the evening twilight [
http://antwrp.gsfc.
] but before rising above the predawn horizon [
http://antwrp.gsfc.
], Venus was seen in silhouette [
http://antwrp.gsfc.
] against the Sun (near center) - the first transit of Venus [
http://sunearth.gsf
index_vthome.htm ] since 1882. The next time Venus will wander across the solar disk is in 2012 [
http://sunearth.gsf
transit/venus0412.ht ml ].
Explanation
Planet Venus [
http://www.nineplan
] traced out this S [
http://www.mentalla
] shape in Earth's sky during 2004. Following the second planet from the Sun in a series of 29 images recorded from April [
http://antwrp.gsfc.
] 3rd through August 7th (top right to bottom left) of that year, astronomer Tunc Tezel constructed this composite illustrating the wandering planet's [
http://csep10.phys.
retrograde.html ] path against the background stars. The series reveals Venus' apparent retrograde motion [
http://www.scienceu
retro.html ] transporting it from a brilliant evening star to morning's celestial beacon. Of course, in 2004, after sinking into the evening twilight [
http://antwrp.gsfc.
] but before rising above the predawn horizon [
http://antwrp.gsfc.
], Venus was seen in silhouette [
http://antwrp.gsfc.
] against the Sun (near center) - the first transit of Venus [
http://sunearth.gsf
index_vthome.htm ] since 1882. The next time Venus will wander across the solar disk is in 2012 [
http://sunearth.gsf
transit/venus0412.ht ml ].
Explanation