gests that its atmosphere is regularly replenished by volcanic
                            eruptions.[40]
                        </description>
                    </planet>
                    <planet>
                        <name>Earth</name>
                        <description>
                            Earth (1 AU) is the largest and densest of the inner planets, the only one known to have
                            current geological activity, and is the only place in the universe where life is k