Ben Holden-Crowther

This artist's impression shows a NASA drone which may be used for Martian exploration in the near future.pic.twitter.com/j8FcTQgdFi

This artist's impression shows NASA's Mars 2020 rover on the Martian surface.pic.twitter.com/OkG02PSgA6

The Curiosity Rover was launched on November 26, 2011 and landed on Mars in August 2012. Its mission is ongoing.pic.twitter.com/1QkLIy0WV4

4,000 to 2,500 million years ago, during the Archean era, the Earth may have looked like this.pic.twitter.com/dlEryw9NFl

The @NASA Space Launch System rocket will be used as part of a future manned mission to Mars.pic.twitter.com/MGO9HRHaMq

This image shows Otto Lilienthal performing one of his gliding experiments c.1895.pic.twitter.com/U1v94XOEKb

The Jupiter Icy Moons Orbiter (JIMO) was a cancelled NASA spacecraft designed to explore Jupiter's icy moons.pic.twitter.com/86ZRjgw2GF

This art from a cave in Argentina is approximately 10,000 years old.pic.twitter.com/vHrMUpDxVs

This image shows an internal view of a proposed NASA space station design called the "Stanford torus".pic.twitter.com/rcaYBiJGA3

This depiction of Mount Fuji from approximately 1830 is called "South Wind, Clear Sky" and is by Katsushika Hokusai.pic.twitter.com/g1Rzx19By3

This photograph from December 1993 shows astronauts making repairs to the Hubble Space Telescope.pic.twitter.com/4Oh1EU4ew6

11 years after this dodo was painted by Jan Savery in 1651, its species was extinct.pic.twitter.com/VpI1bPhbwK

Olympus Mons on Mars is the tallest mountain in the Solar System, being approximately 22 kilometres/13 miles high.pic.twitter.com/EiK5saj9ne

Veterok ("Light Breeze") and Ugolyok ("Coal") were launched into space in 1966. They orbited the Earth for 22 days.pic.twitter.com/g5zOziCSuh

This astronaut was attached to the Shuttle Endeavour's robot arm during a spacewalk in 1995.pic.twitter.com/AUaMtJyfdP

The Great Wave off Kanagawa is by Hokusai. It was published between 1829 and 1833 and is thought to depict a rogue wave.pic.twitter.com/hCiEqzoioa

The Colossus of Rhodes was a giant statue of the Greek sun god Helios. It was completed in 280 BC and was about 33m (108ft) high.pic.twitter.com/1tZ6mQLGlo

The Rodrigues solitaire (Pezophaps solitaria) was the closest genetic relative of the dodo. It was also extinct by 1708.pic.twitter.com/8YYZKeEnQt

This photo from 2006 shows astronauts participating in the construction of the International Space Station.pic.twitter.com/JMqUuDMDB2