1. The name comes from the fact that the sun appears to stand still.
The earth is actually at its farthest from the sun during the solstice.
2. B. An ellipse.
3. An alternative calendar had an extra month named after the solstice.
The carbon dioxide traps most of the heat from the Sun. The cloud layers also act as a blanket. The result is a “runaway greenhouse effect” that has caused the planet's temperature to soar to 465°C, hot enough to melt lead.
