1990년대의 과학

과학동아 1990년 03호

as they occur even when they are hidden form optical view by dust clouds.Then, too, Voyager 2 showed us Uranus and Neptune in the 1980s, while Giotto sent back information on Halley's Comet. The 1990s will be the decade of Galileo, which will study Jupiter in greater detail than ever before, sending a probe into its atmosphere.The '80s saw the shuttle program blasted into inactivity by the ...

대기권 밖의 망원경

과학동아 1989년 04호

that are in our own solar system. Our probes have shown us the outer planets-Jupiter, Saturn, Uranus, and, soon, Neptune-far more clearly and in far more detail than any telescope can show us. However, no probe has yet approached Pluto ; nor will one for many years to come. The Hubble space telescope will see Pluto and its moon, Charon, more clearly than they have ever been seen before, and ...

한쪽으로 늘어진 위성

과학동아 1988년 11호

Of all the satellites, it has the most elongated orbit. It may be that it was an asteroid that ventured too close to Neptune in ages past and was captured. Or perhaps, it was one of the small bodies that clumped together 4 billiom years ago to form Neptune, but was so far from the rest that it managed to retain its independence If so, Nereid might tell us something about the original ...

가솔린 바다

과학동아 1988년 02호

2, having passed Uranus, the planet that lies beyond Saturn, and which has no large satellites, is speeding toward Neptune and will reach it in two more years. What will it discover about Triton? Triton is almost as large as Titan and even colder, since it gets only 1/900 the heart from the sun that our moon does and only 1/10 the heat that Titan gets. Triton should, therefore, have an ...