Hubble Space Telescope NASA captured the rare triple moon conjunctions

Who: The rare triple conjunction of Jupiter moon
What: Captured by the Hubble Space Telescope NASA
When: January 24, 2015

Hubble Space Telescope NASA captured the rare occurrence of the three largest moons of Jupiter namely races Europa, Callisto and Io across the face of the gas giant planet bands. This was a rare occurrence, as the event occurs once or twice in a decade.


NASA gave this information on February 5, 2015.

The moons in the pictures captured by the camera are color coded. The ancient craters filled surface of Callisto is brown; smooth icy surface of Europa is yellowish-white; and volcanic surface sulfur dioxide Io is orange.

The Hubble images were captured by the Wide Field Camera 3 in visible light Hubble on January 24, 2015.

These so-called three Galilean moons complete orbits around Jupiter with durations ranging from 2 days to 17 days. They were named in honor of the 17th century scientist Galileo Galilei, who discovered four large moons, namely, Io, Europa, Ganymede and Callisto with a telescope. Jupiter has 60 moons.

About the Hubble Space Telescope:

Hubble Space Telescope is a project of international cooperation between NASA and the European Space Agency. The telescope is managed by the Goddard Space Flight Center of NASA in Greenbelt, Maryland, while Hubble science operations are conducted by the Institute of Space Telescope Science (STScI) in Baltimore.