In Science, How Do the Moon's Phases Depend on the Relative Position of the Sun, Moon & Earth?

Answer The ancient peoples of the Earth defined their calendars by the phases of the moon. Although the Earth's cycle about the sun is more important for determining the seasons for planting and harvestin... Read More »

Top Q&A For: In Science, How Do the Moon's Phases Depend on ...

How big is the moon compared to the sun?

The moon has a diameter of 2,140 miles, compared to the sun's diameter of about 846,938 miles. To put their sizes in perspective, the Earth is almost four times larger than the moon, and as many as... Read More »

How Is Saturn Compared to Earth?

From ancient times when the Earth was viewed as flat and Saturn without rings, observations and comparisons of the planets have changed throughout the years. Today scientists, such as astronomers, ... Read More »

How big or little is Neptune compared to Earth?

Neptune is the fourth largest planet in the solar system. It would take almost four Earths placed side by side to match Neptune's diameter. If Neptune were hollow, almost 60 Earths would fit inside... Read More »

What is the surface pressure of the atmosphere of Venus compared to that of the Earth?

According to NASA, the atmosphere of Venus has a surface pressure of 1,323 pounds per square inch--90 times greater than the Earth's. Venus's atmosphere is the densest of any planet in the solar sy... Read More »