board, idea, drawn
bridge, moon, lighthouse
man, dna, spiral
study, laptop, books
reading glasses, enlargement, magnifying glass
astronaut, space shuttle, spacewalk
flasks, erlenmeyer, chemistry
omega fog, messier 17, ngc 6618
dictionary, reference book, learning
lunar landscape, stars, brown dwarf
pismis 24, open star cluster, star clusters
laboratory, scientists, research
online, education, internet