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At the edge of the Sun's gravitational influence, there's a cloud of ice and rock. Probably.
Titan is in the spolight again! After astronomers spotted a passing geological feature, now a joint team from NASA and ESA found evidence that the moon may have formed before its planet. Generally, moons take shape after planets – but now, researchers have found convincing evidence that the nitrogen in Titan’s atmosphere originated in ancient conditions, […]
It’s the outskirts of our solar system – spherical particles of rocks and ice, way beyond the familiar planets, and even the former planet Pluto, there lies the Oort Cloud – a spherical cloud of predominantly icy planetesimals that may lie roughly 50,000 AU from the Sun (AU = the distance from the Sun to […]
Unfortunately for some, the green visitor is not an alien coming to greet us but something else, even though it also comes from far, far away. On the 24th of February the comet Lulin will pass within 61 million kilometers of Earth, thus being able to be seen with the naked eye from some locations. […]
