Its journey to Europa would take about six years. The Europa Clipper is not on NASA’s books yet, but agency higher-ups and advisory committees both inside and outside the agency have given it high marks thus far, Senske said.Dec 13, 2012
The transportation of humans to Europa would be one of the primary challenges to colonization. Since Jupiter is on average 630.4 million kilometers away from Earth at a given time, it would take at least 3 years just to get into Europa’s orbit plus additional time to land.
628.3 million km
NASA is planning a Europa mission for the next decade. By launching on the SLS rocket a direct trajectory could be flown in under 3 years. If the probe is launched on a smaller Atlas V rocket gravity assists from Venus and Earth flybys will be needed taking more than 6 years.
Temperature: Europa’s surface temperature at the equator never rises above minus 260 degrees Fahrenheit (minus 160 degrees Celsius). At the poles of the moon, the temperature never rises above minus 370 F (minus 220 C).
At Europa, it would have to land on the surface, matching its velocity, but with essentially no atmosphere there is no “entry”, it is just a descent and landing. The Planetary Society noted that NASA called this DDL — de-orbit, descent, and landing.
Europa orbits Jupiter, the fifth planet from the Sun. Jupiter orbits the Sun at a distance of about 484 million miles (778 million kilometers).
The cost of the clipper mission was estimated (PDF) in 2012 at just under $2 billion, while the cost of a landing on Europa was pegged at $2.8 billion.
Earth | Europa | |
---|---|---|
Volume | ~ 870 million cubic miles (~ 1.4 billion cubic kilometers) | ~ 2 billion cubic miles (~ 3 billion cubic kilometers) |
Surface | 29 percent land and 71 percent liquid water | Global water ice shell. Thickness estimates range from 2 to 20 miles (3 to 30 kilometers). |
Discovery | |
---|---|
Satellite of | Jupiter |
Group | Galilean moon |
Physical characteristics | |
Mean radius | 1560.8±0.5 km (0.245 Earths) |
Europa, along with Io, Ganymede and Callisto, were discovered by Galileo Galilei in January of 1610, using a telescope of his own design. … Europa was a Phoenician noblewoman and the daughter of the king of Tyre, who later became a lover to Zeus and the queen of Crete.
If something as large as Europa were to hit Mars, it would probably be enough to turn the entire surface of Mars into molten lava and completely destroy the Europa-sized object.
Quasars are some of the oldest, most distant, most massive and brightest objects in the universe. They make up the cores of galaxies where a rapidly spinning supermassive black hole gorges on all the matter that’s unable to escape its gravitational grasp.
The best places to look for life are where the ocean overlies warm rock. This may be the case inside Europa (Jupiter) and Enceladus (Saturn), but chemical reactions with the rock would make the liquid water salty, so not good to drink.
1.315 m/s²
NASA said it’s Hubble space telescope found persistent water vapor over the atmosphere of Europa, one of Jupiter’s moons. WASHINGTON — Scientists said they have found evidence of water in the atmosphere of Jupiter’s icy moon “Europa.”
85 hours
That amount of oxygen would be enough to support more than just microscopic life-forms: At least three million tons of fishlike creatures could theoretically live and breathe on Europa, said study author Richard Greenberg of the University of Arizona in Tucson.
The strongest candidates for natural satellite habitability are currently icy satellites such as those of Jupiter and Saturn—Europa and Enceladus respectively, although if life exists in either place, it would probably be confined to subsurface habitats.
This period is about 3.55 earth days, or a bit more than 85 hours.
Europa is a moon orbiting Jupiter, and is the sixth closest moon and smallest of four Galilean moons. Europa is slightly smaller than the Moon, and is made of silicate rock and has an iron core. The surface of Europa is composed of water ice and is striated with cracks and streaks.
As a result, humans could live on the surface of Callisto with just a sufficiently strong radiation attenuating glass between them and the remaining radiation from its host planet. In addition to this relative safety from radiation, this moon is composed of around 40% water.
ATTEMPT NO LANDING THERE. USE THEM TOGETHER. USE THEM IN PEACE.”
Its journey to Europa would take about six years.
Despite the great depth of the Europa’s ocean, hydrostatic pressure at the seafloor would be 130-260 MPa, corresponding to 13-26 km depth of a theoretical Earth’s ocean. The hydrostatic pressure is not beyond the edge of existing deep-sea technology.
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