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This cycle repeats approximately every 29.5 days as the moon orbits the Earth. The moon's appearance changes gradually as it goes through these phases.

For Earth Day 2021, we explore the connections of Earth systems and NASA's ability to observe them in a changing world, highlighting the links between dust transport, vegetation, water quality, conservation and human health, the cryosphere, and disasters.

The Apollo Moon missions were a series of NASA-led expeditions from 1969 to 1972 that successfully landed astronauts on the Moon. These missions aimed to explore the lunar surface, conduct scientific experiments, and gather valuable data about the Moon's geology and composition. Astronauts Neil Armstrong, Buzz Aldrin, and others became the first humans to walk on the Moon during the historic Apollo 11 mission in 1969. The missions that followed continued to build upon our understanding of the Moon and its history through scientific research and exploration.

The OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer) spacecraft achieved a remarkable feat in space exploration by successfully executing a complex maneuver known as "Slings Orbital Web Around Asteroid to Capture Sample." This achievement marked a significant milestone in NASA's mission to study and understand the mysteries of our solar system.

Nasa Psyche Mission

earth from space

how 133 days on sun looks like