The sun is the center of our solar system; the planets, their moons, a belt of asteroids, comets, and other rocks and gas orbit the sun. The eight planets that orbit the sun are (in order from the sun): Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune. Another large ...
Three years after NASA's New Horizons spacecraft gave humankind our first close-up views of Pluto and its largest moon, Charon, scientists are still revealing the wonders of these incredible worlds in the outer solar system. Marking the anniversary of New Horizons' historic flight through the Pl...
The dwarf planets in our Solar System are some of the most interesting objects around. Of course, all of the Solar System objects–and anything in nature, really–are fascinating when you really focus on them. Now, a newstudyputs the focus squarely on the dwarf planetHaumea, and deepens th...
Ultracool dwarfs, which comprise the lowest-mass stars and substellar-mass objects, have long been surmised to host aurora akin to those found in the giant planets of our Solar System, like Jupiter and Saturn. Studies have shown that approximately 5% of ultracool dwarfs demonstrate highly circular...
Isern, J. The star formation history in the solar neighborhood as told by massive white dwarfs. Astrophys. J. Lett. 878, L11 (2019). Article ADS CAS Google Scholar Salaris, M., Cassisi, S., Pietrinferni, A. & Hidalgo, S. The updated BASTI stellar evolution models and isochrones –...
Learn about the dwarf planets within our solar systemLearn about dwarf planets.(more)See all videos for this article dwarf planet, body, other than a natural satellite (moon), that orbits the Sun and that is, for practical purposes, smaller than the planet Mercury yet large enough for its ...