Related topics: nasa · spacecraft · solar system · earth · asteroid

Spot the king of planets: Observe Jupiter

Jupiter is our solar system's undisputed king of the planets. Jupiter is bright and easy to spot from our vantage point on Earth, helped by its massive size and banded, reflective cloud tops. Jupiter even possesses moons ...

Famed Halley's comet passes aphelion this weekend

It's lonely out there in the frozen outer solar system. On Saturday, December 9th, that most famous of all comets 1P/Halley reaches a hallmark point on its 75-year journey through the solar system, reaching aphelion or its ...

page 1 from 40

Comet

A comet is a Small Solar System Body that orbits the Sun. When close enough to the Sun, a comet exhibits a visible coma (fuzzy "atmosphere"), and sometimes a tail, both because of the effects of solar radiation upon the comet's nucleus. Comet nuclei are themselves loose collections of ice, dust and small rocky particles, ranging from a few kilometers to tens of kilometers across.

This text uses material from Wikipedia, licensed under CC BY-SA