About how often does Halley’s Comet return? About how often does halley's comet return? 76 Years 10 Years 100 Years 200 Years Correct! Wrong! Did You Know? Continue >> Share the quiz to show your results ! Share on Facebook Subscribe to see your results Show my results About how often does Halley’s Comet return? I got %%score%% of %%total%% right %%description%% %%description%% Loading...
3 What spacecraft takes astronauts into space, orbits the Earth and can be flown more than once? September 24, 2024
