... by disappearing from Earth for 8 days (approx), this is called inferior conjunction. Then we experience the Heliacal rising (when the Venus first rises from behind the sun), it stays in this state for about 260 days. Then Venus reaches superior conjunction, where for 50 days it is on the opposite side ... Then it rises from behind earth and becomes the evening star, for approximately 260 days. Finally it goes back behind the sun for the inferior conjunction again. As can be seen, Mayan's found links in many of their calendar dates to those of astronomical features (such as the number 260...

• Word Count: 1413
• Approx Pages: 6
• Grade Level: High School

... variables (based on mankind's limited understanding of Venus) are its atmosphere, land surface, and astronomical positioning (orbit). The sun, which is an external force on the climate system, also affects Venus' climate. Based on several scientific exploration missions, we now know much more about Venus' climate than ever before ... % of all the sunlight reaching the planet. This not only makes Venus the brightest object in the night sky (after the sun and moon), but also makes observational study very difficult, as we are unable to observe the surface from space. This has required many...

• Word Count: 2107
• Approx Pages: 8
• Grade Level: Undergraduate