Search results for Dwarf Planet Eris

Space Exploration Feb 4, 2016

The long hunt for new objects in our expanding solar system

Recognise these planet names: Vulcan, Neptune, Pluto, Nemesis, Tyche and Planet X? They all have one thing in common: their existence was predicted to account for unexplained phenomena in our solar system.

Space Exploration Jan 25, 2016

Claims about new planets that turned out to be wrong—and why 'Planet Nine' may be different

There's a real buzz among planetary scientists after a new study suggested that an unseen planet, dubbed "Planet Nine", of about ten times the Earth's mass could be lurking in the Kuiper belt, a band of icy objects beyond ...

Astronomy Nov 12, 2015

Gemini Planet Imager Exoplanet Survey—one year into the survey

The Gemini Planet Imager Exoplanet Survey (GPIES) is an ambitious three-year study dedicated to imaging young Jupiters and debris disks around nearby stars using the GPI instrument installed on the Gemini South telescope ...

Astronomy Nov 11, 2015

Astronomers spot most distant object in solar system

Astronomers have discovered a mysterious dwarf planet that is three times farther away than Pluto and believed to be the most distant object in our solar system.

Astronomy Nov 10, 2015

UCLA professor proposes simpler way to define what makes a planet

Since the late 1980s, scientists have discovered nearly 5,000 planetary bodies orbiting stars other than the sun. But astronomers are still working on what exactly we should call them.

Space Exploration Sep 3, 2015

The (possible) dwarf planet 2007 OR10

Over the course of the past decade, more and more objects have been discovered within the trans-Neptunian region. With every new find, we have learned more about the history of our solar system and the mysteries it holds. ...

Space Exploration Aug 31, 2015

The dwarf planet Orcus

Since the early 2000s, more and more objects have been discovered in the outer solar system that resemble planets. However, until they are officially classified, the terms Kuiper Belt Object (KBO) and Trans-Neptunian Object ...

Space Exploration Aug 28, 2015

The dwarf planet Quaoar

The vast Kuiper Belt, which orbits at the outer edge of our solar system, has been the site of many exciting discoveries in the past decade or so. Otherwise known as the Trans-Neptunian region, small bodies have been discovered ...

Space Exploration Aug 18, 2015

What is A dwarf planet?

The term dwarf planet has been tossed around a lot in recent years. As part of a three-way categorization of bodies orbiting the sun, the term was adopted in 2006 due to the discovery of objects beyond the orbit of Neptune ...

Astronomy Aug 17, 2015

'Young Jupiter' exoplanet discovery: Q&A with astronomer Eric Nielsen

(Phys.org)—The discovery of 51 Eridani b, a Jupiter-like exoplanet, made headlines last week as it is the lowest-mass planet ever directly imaged around another star. Significantly, the planet resembles Jupiter in its infancy ...

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