I'm taking a guess but possibly because of the shape of the elliptic. Mercury may be circling the same side of the Sun and thus closer to us than Venus, which may be at a farther point.
Maybe a typo too.
>,..,> I know how we can one up Thanos' moon tossing.... and... well... whatever the opposite of Ego and planet fucking is.... anyway.. Oh shit... Watcher... nevermind... oh.... you into that? Planet watch <1<2<3.
<3.
Maybe a typo too.
<3.