wuzzup., 7 Rare Rainbow FormationsCircular rainbows: Most of the rainbows we see are actually arcs of perfect circles (with, accordingly, radii of exactly 42 degrees). Secondary rainbows: Primary rainbows are often accompanied by secondary rainbows that are usually thinner and dimmer than the main rainbow. They display the spectrum in reverse order from that of a primary rainbow. Red rainbows: Red rainbows are usually seen at sun
