During such good visibility conditions, the larger but fainter secondary rainbow is often visible.
2.
Theoderic went further and also explained the secondary rainbow.
3.
Theodoric of Freiberg is known to have given an accurate theoretical explanation of both the primary and secondary rainbows in 1307.
4.
Light rays on a scenic tour that reflect twice off the backs of raindrops can become part of a secondary rainbow, a fainter, inverted-colored version of the primary bow.
5.
While " hongni " y??means " primary and secondary rainbows; rainbows ", " nihong " �y?is a loanword from English neon in expressions like " nihongdeng " �y��q " neon light ", compare the chemical loanword " nai " meteorological terminology.
6.
:And furthering StuRat's point, you can see a fuly circular rainbow if you're willing to stand on a ladder while spraying downwards with a garden hose .; the ( primary ) rainbow always occurs at a certain angle from the sun ( and the secondary rainbow, if present, always occurs at another, different angle ).
7.
He explained the primary rainbow, noting that " when sunlight falls on individual drops of moisture, the rays undergo two refractions ( upon ingress and egress ) and one reflection ( at the back of the drop ) before transmission into the eye of the observer . " He explained the secondary rainbow through a similar analysis involving two refractions and two reflections.
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