Why Is Pluto Not A Planet?
Why is Pluto no longer a planet? Discover the real reason behind Pluto’s reclassification as a dwarf planet and the science that led to this change.
Astrum on MSN3d
The Mystery of Arrokoth: What NASA Didn’t See Coming
NASA’s New Horizons mission changed our understanding of the outer solar system. After its famous Pluto flyby, it traveled ...
HowToGeek on MSN1d
Why Is Pluto No Longer a Planet?
Pluto isn't alone—it's part of the Kuiper Belt with possibly hundreds of other planet-sized objects. Because Pluto hasn't achieved gravitational dominance in its region, the International Astronomical ...
RiverBender.com2d
This Day in History on February 8: The Who Performs in London
February 8th has witnessed a multitude of significant events throughout history, spanning various categories such as science, ...
Space.com19d
Trillions of comets discovered orbiting alien planet systems (image)
The discovery of what are being termed 'planetesimal ... In our own solar system, the Kuiper Belt is a region of icy bodies, some of which fly through the inner solar system as comets, which ...
Space.com21d
Charon: Pluto's dwarf planet partner
Christy's discovery was important because the existence ... Then, a subsequent impact between Charon and a smaller Kuiper Belt object could have produced the debris that formed the system's ...
Once-in-a-lifetime comet will become visible for the first time in 160,000 YEARS today - here's the best time to see the bright space rock
A once-in-a-lifetime comet is set to become visible for the first time in 160,000 years - and you don't want to miss it.
Astronomy9d
February 2025: What’s in the sky this month? Venus, Jupiter, and Mars continue to dominate the sky, and the Moon occults the Pleiades
Venus, Jupiter, and Mars dominate the sky. Catch your last views of Saturn as early in the month, the Moon passes in front of ...
Business Today28d
‘NASA breakthrough’: Planet X might be real, and it’s bigger than we imagined
Anomalous orbits of Kuiper Belt objects, studied since 2016 by Caltech ... over time—a painstaking and precise endeavor. A discovery would captivate the world, joining ranks with Mars missions ...
The Debrief21d
Close Encounter with a Giant Interstellar Object May Have Altered Our Solar System, Astronomers Say
Additionally, a key discovery arising from the team’s simulations is that ... should be taken into account when studying the formation and evolution of the Kuiper belt, trans-Neptunian objects (TNOs), ...
heise online21d
Like our Kuiper Belt: ALMA finds 74 belts of exocomets around other stars
Behind the planets in the solar system is the Kuiper Belt. An inventory of similar structures around other stars shows how unusual it is. A research team has used several telescopes to take images ...
Nature13d
Asteroids, comets and Kuiper belt articles from across Nature Portfolio
Asteroids, comets and Kuiper belt are bodies smaller than planets that orbit the sun. Asteroids are composed of metals and rock, whereas comets also contain ice and dust. The Kuiper belt is a ...