File:Eris_and_moon_Dysnomia_JWST_NIRCam.jpg · Wikimedia Commons · See Wikimedia Commons

EntityQ611· pop 119· linked from 604 articles

اریس

Also known as Sol k, Eris (dwarf planet), Xena, 136199 Eris

سیارهٔ کوتولهٔ فرانپتونی در منظومهٔ خورشیدی

OverviewAI-generated

Eris is a trans-Neptunian object and plutoid in the scattered disc. It orbits the Sun with a period of 557.55 years, an eccentricity of 0.43883, and an inclination of 44.1444 degrees. Its orbit has a periapsis of 38.013 and an apparent magnitude of 18.7. The object has a radius of 1163 and an albedo of 0.96.

Eris was discovered on 2003-10-21 at Palomar Observatory by Michael E. Brown, Chadwick Trujillo, and David L. Rabinowitz. It was provisionally designated 2003 UB313. The body has a mass of 16.6 and is accompanied by its child astronomical body, Dysnomia.

Synthesized by Vinony from 26 facts across 3 sources: Wikidata, NASA, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.

Picture of the Day · NASA

Pathfinder on Mars

2026-07-04

On July 4th, 1997, using its own array of fireworks, a parachute, and a cocoon of airbags, the Mars Pathfinder spacecraft bounced like a giant beach ball at least 15 times before it came to rest on the surface of Mars at 10:07 AM Pacific Daylight Time. After its then novel airbag-assisted landing sequence was completed, Pathfinder transmitted this color mosaic to mission operators on Earth. In the scene from another world, the Mars Sojourner robot rover is visible in the foreground, crouched on top of the unfolded Pathfinder. About the size of a large house cat, the six-wheeled, solar-powered Sojourner became the first successful Martian rover. Surrounding Pathfinder are deflated airbags and the rock-strewn terrain of the Ares Vallis floodplain. In the distance Martian hills appear against a dusty brownish sky. The Pathfinder lander was subsequently renamed the Carl Sagan Memorial Station.

via NASA APOD