Exploring the various aspects of the cosmos.
Scientists look out deep into space hoping to measure the size of the universe based on the relatively miniscule portion of space observable from Earth.
Several countries plan to send spacecraft to the moon, potentially leading to a permanent human presence in space.
Scientists map the surface of the moon and piece together its history to determine how it formed and learn more about Earth's origins in the process.
Scientists probe the sun to learn more about coronal mass ejections, violent periodic outbursts that disrupt Earth's electrical systems.