Articles tagged "solar system"

hygiea oct 28 2019

Asteroid Hygiea the smallest dwarf planet in the solar system

Hygiea, previously classified as an asteroid, may actually be the smallest dwarf planet in the solar system, according to a study published on October 28, 2019. New images by the ESO's SPHERE instrument at the Very Large Telescope (VLT) revealed that the space...

November 04, 2019

evidence of chaotic solar system

Evidence of chaotic solar system

A team of scientists from the University of Wisconsin-Madison and Northwestern University has found evidence confirming a critical theory of how the planets in our solar system behave in their orbits around the Sun. The finding is important because it provides the...

February 23, 2017

ibex

14 new IBEX data based research papers on Solar System's boundary

Data obtained by NASA’s Interstellar Boundary Explorer (IBEX), a mission providing the most definitive analyses, theories and results about local interstellar space to date, was presented in fourteen new research papers published on October 20, 2015, in a...

October 22, 2015

interstellar_space_particles

Stardust's payload holds first potential interstellar space particles

A team of scientists has been combing through the payload of NASA's Stardust spacecraft since it returned to Earth in 2006. They found seven rare, microscopic interstellar dust particles, that most likely came from outside of our solar system. If

August 14, 2014

solar_system_as_snow_ball_feat

Asteroid diversity points to a "snow globe" solar system

Our solar system seems like a neat and orderly place, with small, rocky worlds near the Sun and big, gaseous worlds farther out, all eight planets following orbital paths unchanged since they formed. However, the true history of the solar system is more riotous.

January 31, 2014

Selection_479

First view of the comet-like tail we leave on our interstellar journey

NASA's Interstellar Boundary Explorer (IBEX) spacecraft recently provided the first complete pictures of the solar system's downwind region, revealing a unique and unexpected structure. Researchers have long theorized that, like a comet, a "tail"

July 11, 2013

planets

Sizes of planets and stars

This few animations show the relative sizes of some planets and stars in our known Universe with VY Canis Majoris as the biggest known

January 26, 2013

WISE_Earthtrojan

First Trojan asteroid found locked into Earth's orbit

NASA’s Wide-field Infrared Survey Explorer (WISE) has found the very first asteroid that (more or less) shares an orbit with Earth! Called 2010 TK7, this asteroid is about 300 meters (roughly 1000 feet) across, and is the first in an up-to-now theoretical class of

July 28, 2011