Discovery of Jupiter's Irregular Moons Announced

July 17th, 2018

July 17th, 2018

Discovery of Jupiter's Irregular Moons Announced
How Long Ago?

6 years, 7 months, 26 days ago

Location

Jupiter, Solar System

Category

Space Exploration

People
  • Scott S. Sheppard
Links & References
Tags

Discovery of Jupiter's Irregular Moons Announced

Scott S. Sheppard and his team announced the discovery of a dozen irregular moons orbiting Jupiter, expanding the known range of the planet's satellites. Found using advanced telescopes in the southern hemisphere, these moons highlight the diversity of celestial bodies in Jupiter's gravitational influence. The findings further advance our understanding of planetary formation and satellite dynamics in our solar system.

12 new irregular moons were discovered

Discovery increased Jupiter's moon count to 79

Findings made using southern hemisphere telescopes

Research enhances understanding of planetary dynamics

What Happened?

Scott S. Sheppard, an astronomer at the Carnegie Institution for Science, along with his team, revealed the discovery of twelve new irregular moons orbiting Jupiter. The findings were made using a powerful telescope in the Southern Hemisphere, allowing the researchers to observe these distant satellites. Irregular moons are typically characterized by their eccentric, inclined orbits and are often captured by the gravitational pull of larger planets rather than forming in place, which is what makes this discovery particularly intriguing. This discovery brought Jupiter's total number of known moons to 79, making it the planet with the most moons in the solar system.

The moons discovered vary in size and orbit, with some being just a few kilometers in diameter. Their unique orbits suggest they may have originated from larger bodies that were fragmented, potentially undergoing significant capture processes. This crucial finding not only showcases the remarkable diversity of Jupiter's satellite system but also sheds light on the processes of planetary formation. The work of Sheppard and his team plays a vital role in enhancing our knowledge of the evolution of celestial systems, particularly in understanding how irregular moons may inform us about the past dynamics of planets and their moons.

Sheppard's team utilized advanced imaging technology to detect these moons, demonstrating significant developments in astronomical research techniques. The announcement captured the interest of the scientific community and the public alike, as it represents a significant milestone in expanding the frontier of our understanding of outer solar system bodies. This discovery reflects ongoing efforts to map and understand our celestial neighborhood, highlighting how every new discovery flags the potential for further exploration and research.

Why Does it Matter?

The discovery of a dozen irregular moons around Jupiter is noteworthy as it underscores the dynamic and complex nature of planetary systems. It emphasizes how much there is left to learn about the solar system, encouraging further astronomical research and exploration. The study of such moons contributes invaluable insights into our understanding of gravitational interactions and the formation of celestial bodies in the cosmos.

Discover More Historic Events from July 17th

Military & Warfare

Suicide Bombing in Diyala Leaves 120 Dead

July 17th, 2015 9 years ago

A suicide bombing in Diyala Governorate, Iraq, killed at least 120 people and injured 130. The attack occurred at a popular market area, known for its busy atmosphere. Witnesses reported multiple explosions, causing widespread panic and chaos. The assault highlighted the ongoing security challenges faced by Iraq amidst a struggle with extremist groups vying for control in the region. Emergency responders rushed to the scene to aid the wounded, while security forces worked to secure the area and investigate.

Continue Reading
Social Movements & Civil Rights

Eric Garner Dies After Chokehold by Police Officer

July 17th, 2014 10 years ago

Eric Garner, a 43-year-old man, died in Staten Island, New York, during an encounter with police officers who were attempting to arrest him for allegedly selling loose cigarettes. Officer Daniel Pantaleo placed Garner in a chokehold, a tactic banned by the NYPD, which ultimately led to Garner's death. Garner's repeated plea of 'I can't breathe' while being restrained was recorded on video, drawing significant public attention and outrage.

Continue Reading
Accidents & Tragedies

Malaysia Airlines Flight 17 Shot Down Over Ukraine

July 17th, 2014 10 years ago

Malaysia Airlines Flight 17, a Boeing 777, was shot down over eastern Ukraine near the border with Russia, resulting in the deaths of all 298 people on board. The incident occurred in an area with ongoing conflict between Ukrainian forces and separatist groups, leading to international outrage and investigations into the use of heavy weaponry. The aircraft, en route from Amsterdam to Kuala Lumpur, was struck by a missile, raising global concerns about air travel safety in conflict zones.

Continue Reading
Accidents & Tragedies

Train Collision on Pau-Bayonne Line Injures Many

July 17th, 2014 10 years ago

A French regional train collided with a high-speed train near Denguin, resulting in at least 25 injuries. The accident raised concerns about rail safety. Rescue operations were initiated immediately to assist the injured passengers. Investigations into the cause of the crash were launched shortly after the incident, highlighting the need for improved safety measures in train operations.

Continue Reading
Accidents & Tragedies

TAM Airlines Flight 3054 Crash in São Paulo

July 17th, 2007 17 years ago

TAM Airlines Flight 3054, operated by an Airbus A320, crashed while attempting to land at São Paulo–Congonhas Airport. The aircraft landed too fast, missed the runway end, and struck a warehouse nearby, resulting in the deaths of 199 people, including all 187 passengers and crew onboard, along with 12 individuals on the ground. This incident raised severe concerns about aviation safety standards in Brazil.

Continue Reading
Natural Disasters

Pangandaran Tsunami Earthquake Devastates Java Island

July 17th, 2006 18 years ago

A powerful earthquake measuring 7.7 Mw struck off the coast of Pangandaran, Java, triggering a tsunami that ravaged the region. This natural disaster claimed the lives of 668 individuals and left more than 9,000 people injured. The sheer force of the quake and the resultant waves caused extensive damage to coastal infrastructure and homes, displacing thousands and creating a humanitarian crisis. Emergency response teams mobilized quickly to provide aid and recover victims.

Continue Reading