Survey Marker

XKCD 15 April, 2024

Sitting in a Tree

XKCD 12 April, 2024

Tick Marks

XKCD 11 April, 2024

Types of Eclipse Photo

XKCD 8 April, 2024

Machine

XKCD 5 April, 2024

Eclipse Clouds

XKCD 3 April, 2024

Eclipse Coolness

XKCD 1 April, 2024

Periodic Table Regions

XKCD 29 March, 2024

Daytime Firefly

XKCD 28 July, 2023