Ojú-ìwé

Europe/ Brussels

An icy moon of Jupiter with a global salty ocean beneath its surface.

NASA, ESA, CSA, STScI; J. DePasquale, A. Koekemoer, A. Pagan (STScI) (CC BY 4.0)

Under a shell of cracked ice lies a salty ocean: one of the best places to look for life beyond Earth.

Jupiter with its moon Europa beside it. — Jupiter and its moon Europa, photographed by the Hubble Space Telescope in 2020. Credit: NASA, ESA, A. Simon (Goddard Space Flight Center), and M. H. Wong (University of California, Berkeley) and the OPAL team, CC BY 4.0

Europa’s surface is smooth water ice crossed by long cracks and ridges. Measurements of its magnetic field indicate a salty liquid water ocean beneath the ice, making it one of the most promising places to look for life beyond Earth.

NASA’s Europa Clipper mission, launched in 2024, will study it in detail.

Àwọn ìṣàmúlò-ètò ààyè-iṣẹ́

JPL SSD: Planetary Satellite Physical Parameters

Àwọn àṣẹ
Ìṣàmúlò-ètò	3,122 km	[1]
Àwọn Ìṣàmúlò-ètò	4.799 × 10²² kg	[1]
Ìjánu-ìṣàmúlò-ètò	3.013 g/cm³	[1]
Ìṣàfihàn ààyè-iṣẹ́	1.31 m/s²	Tí a fì ṣẹ̀dà láti inú àtòjọ-ẹ̀yàn ààyè-iṣẹ́
Ìjánu-ìṣàmúlò-ètò	2.03 km/s	Tí a fì ṣẹ̀dà láti inú àtòjọ-ẹ̀yàn ààyè-iṣẹ́
Ìjánu-ìsún	3.53 ọj	[2]
Àwọn ààyè-iṣẹ́	3.53 ọj	[2]
Ìjánu-ìró láti Jupiter	671,100 km	[2]
Ìwọ̀n tí o bá jẹ́ kanna ní gbogbo àkókò Jupiter

Àwọn ìrànwọ́ àti àkọlé lòòlù àwọn módè́ì tí a fi pamọ́ fún ìmọ̀. Kò yẹ ki wọn lò fún ìṣàfihàn, ìṣàmúlò-ètò àti àwọn ìṣẹ̀dá iṣẹ́. Àwọn ìwé-ẹ̀rì ní ọ̀fẹ̀ àti àwọn ààyè-iṣẹ́ kò ní ìgbà gbà. Ka àwọn ìṣàmúlò-ètò ìròyìn