Fun Fact of the Day: The largest dwarf planet in the solar system is Pluto followed by Eris, Makemake, Haumea, with the smallest being Ceres. The order of the dwarf planets from closest to Sun outwards is Ceres, Pluto, Haumea, Makemake, with Eris being the furthest from the Sun.
Fun Fact of the Day: The Solar System’s cosmographical boundary is defined by the outer limit of Oort Cloud. To simplify things, Sun’s gravitational dominance ends with Oort Cloud.
On this Day in History in 1639: 1st observation of transit of Venus by Jeremiah Horrocks and William Crabtree – helped establish size of the Solar System.