Answer:
The imaginary line that separates light from the darkness and day from the night is known as the circle of illumination. Earth's axis refers to an imaginary line going through the centre of the earth from top to bottom. The circle of illumination cuts all latitudes into half on the spring and autumnal equinoxes.
Answer:
Greenland, the icy island nation in the Arctic, gets its name from an Icelandic murderer exiled there, who called it "Greenland" in hopes that the name would attract settlers.
Explanation:
Answer:
Let coefficient of linear and area expansion be α a n d β respectively. where ∆ T is change in temperature. For simplicity let us consider the case of square of side L. Therefore, coefficient of area expansion is twice the linear expansion.
Answer:
OGLE-TR-122b, a red dwarf star that's part of a binary stellar system. This red dwarf the smallest star to ever have its radius accurately measured; 0.12 solar radii. This works out to be 167,000 km.
Explanation:
Right now, it has 28 member states: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Italy, Ireland, Latvia, Lithuania, Luxembourg, Malta, The Netherlands, Poland, Portugal, Romania, Spain, Slovakia, Slovenia, Sweden, and The United Kingdom.