Query User
1 3 smaller than 1 4 entered by user 4700587
astronomy entered by user 22876474
astronomy courses entered by user 1138128
astronomy on the web entered by user ditto
astronomy telescopes entered by user 6821
astronomy vocab entered by user 425727
bigger than a gallon entered by user 840583
comparison of venus and earth entered by user 9688767
curved universe entered by user 9559195
dark matter halo and galactic rotation entered by user 5275954
electromagnetic radiation entered by user 7423375
electromagnetic spectrum entered by user 11741851
finding meteorites entered by user 47801
galactic rotation curves entered by user 5275954
gravity of galactic halo entered by user ditto
greenhouse gases distance from earth entered by user 10823311
how radiation makes electric field entered by user 2980509
jupiter's 4 large moons entered by user 15543967
land formations entered by user 7144694
magnitude of star brightness entered by user 8851614
mass of galaxy entered by user 9291953
mass of universe entered by user 4815648
mass of universe entered by user ditto
nuclear reactions as a source of energy entered by user 9671164
nuclear reactions as a source of energy entered by user ditto
old astronomer drawings of the sun entered by user 5187969
oort cloud kuiper belt entered by user 4709728
planet atmospheres entered by user 4226923
positioning of the moon entered by user 4067065
radioactive dating entered by user 1929762
studying the stars for elementary education entered by user 7088353
surface temperature of star antares entered by user 3558890
thesun and nuclear fusion entered by user 2289897