Detail from a poster for the film The Deadly Mantis (1957) by artist Reynold Brown. Prehistoric insects weren't this big ... but they were bigger than insects today.
Consider a relative of our modern-day dragonflies, with a wingspan of over 2 feet (0.6 meters). Before the dinosaurs, giant insects ruled the world. Read more.
This is Neptune's yearly opposition, when it's 180 degrees from the sun on the sky's dome. You need optical aid to spot Neptune. Links to charts here.
Neptune, as seen by Voyager 2 in 1989. Image via NASA.
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