Magellan NASA magellan mission to map venus began 25 years ago on sts 30 Magellan NASA

Magellan NASA magellan mission to map venus began 25 years ago on sts 30 Magellan NASA

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Curious facts about cosmic life and their inhabitants.

Soon after it had been snared by Neptune, Triton's orbit was highly eccentric. This indicates that Triton's capture would have caused a mess of chaotic perturbations in the orbits of the original inner moons of Neptune--thus causing them to crash into one another, producing a disk of rubble created from these catastrophic smash-ups. For this reason, it is probable that Neptune's current inner moons are not the original generation of moons that formed along with Neptune.



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Titan circles its giant parent-planet once every 15 days and 22 hours. Like Earth's own large Moon, and a number of other moons dancing around the quartet of giant gaseous planets of our Solar System's outer realm, its rotation period is identical to its orbital period. This means that Titan is tidally locked in synchronous rotation with Saturn--always showing only one face to its planet.



and finally

The discovery that the hidden interior of Earth's Moon contains water raises some interesting questions concerning lunar formation. Most planetary scientists think that our Moon was born from the debris left behind after the catastrophic collision of our primordial planet with the tragedy that was Theia. This collision would have occurred very early in our Solar System's history. However, one of the reasons scientists had proposed that the lunar interior should be dry is that it is unlikely that the hydrogen necessary to create water could have survived following the ferocious heat of that ancient impact.

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Dozens of crewless spacecraft, including landers, rovers, and orbiters, have been dispatched to Mars by the Soviet Union, the United States, Europe, and India to observe the planet's climate, surface, and geology. Since the year 2000, cameras circling in orbit around Mars have sent back to Earth a treasure chest overflowing with revealing pictures of the "fire star." These wonderful images have displayed a Martian surface etched with small valleys and carved into slopes. These features are eerily similar in their shape to gullies carved by gushing water flowing on Earth. The Martian gullies are believed to be less than a few million years old--a tiny wink of the eye on geological time scales. In fact, some of the gullies even appear to be younger than that! These detections are enticing. This is because the observations hint to planetary scientists that great quantities of liquid water may still be lingering on Mars at present--and that this gushing water might be what carved out the gullies.



The moon-mergers may have happened very long ago--or maybe quite recently. The mergers could have been tripped off by gravitational disruption caused by a migrating giant planet such as Uranus or Neptune, the researchers told the press in October 2012.



Moon Goddess Receives the Latest at New Moon Time. At the New Moon time, the Moon Goddess is positioned directly between Mother Earth and the Sun. This is when the Moon Goddess discovers the latest that the Sun is experiencing in its travels through a new band in the sky. It is when the Moon Goddess's back side is being fully illuminated by the Sun's emissions for a twenty four hour period, beginning twelve hours before the actual encounter and lasting for twelve hours afterward.