Klaatu introduces XML.

The sample XML document discussed in this episode is:

<xml>

<sol>

<planet>

<name>

Mercury

</name>

<albedo>

0.11

</albedo>

</planet>

<planet>

<name>

Venus

</name>

<albedo>

0.7

</albedo>

</planet>

<planet>

<name>

Terra

</name>

<albedo>

0.39

</albedo>

</planet>

</sol>

</xml>