21 February (United States of America ) within release International Polar Year goes into circulation Stamp Aurora borealis face value 84 United States cent
Stamp Aurora borealis in catalogues | |
---|---|
Michel: | Mi: US 4196 |
Stamp Number: | Sn: US 4123a |
Stamp is square format.
Also in the issue International Polar Year:
Stamp Aurora borealis it reflects the thematic directions:
An aurora (pl. aurorae or auroras), also commonly known as the northern lights (aurora borealis) or southern lights (aurora australis), is a natural light display in Earth's sky, predominantly seen in high-latitude regions (around the Arctic and Antarctic). Auroras display dynamic patterns of brilliant lights that appear as curtains, rays, spirals, or dynamic flickers covering the entire sky.