April 14, 2024

With Lucy we expertise one shock after one other. On November 1, the probe flew previous Dinkinesh, a main-belt asteroid between the orbits of Mars and Jupiter. This easy cease on LucyLucy’s path to Jupiter’s Trojan asteroids seems to be much more fascinating than anticipated. Final week, Lucy found that “Dinky” has a moon orbiting it. A brand new picture launched right now by NASA reveals that this moon may be very particular.

It takes a number of days for the groups to gather all the information and pictures from the flyover. The brand new picture launched by NASA is placing. It reveals that Dinkinesh’s moon is definitely a binary contact physique, i.e. a double asteroid whose elements rotate round one another and contact. That is the primary time one has been noticed, though in keeping with John Spencer, deputy scientific director of the Lucy mission at Boulder College (Colorado, USA), “binary contact our bodies seem like fairly widespread within the photo voltaic system,” he provides : “We’ve by no means seen one orbiting an asteroid.”

Hal Levison, Lucy’s venture supervisor on the South West Analysis Institute, mentioned: “I by no means thought a system would appear like this. Particularly, I don’t perceive why the 2 satellite tv for pc elements are comparable in measurement. It is going to be enjoyable for the scientific neighborhood to resolve this downside. »

On the Trojan Highway

Lucy should fly over round eight Trojan asteroids, that are a part of two teams of asteroids situated in Jupiter’s orbit at equal distances from the planet at Lagrange factors L4 and L5. These prisoners can be witnesses to the formation of the photo voltaic system. Their in-situ examine is due to this fact eagerly awaited by scientists. The flyby of Dinkinesh is a costume rehearsal earlier than reaching the Trojans beginning in 2027. One other fundamental belt asteroid flyby named Donaldjohanson is deliberate for 2025.

A NASA probe simply made a stunning discovery by flying over its first asteroid

Article by Daniel ChrétienDaniel Chrétien, printed November 3, 2023.

This Wednesday, November 1st, NASA’s Lucy probe flew previous the asteroid Dinkinesh and found the presence of a moon round it! The primary photographs launched by NASA are thrilling. Futura takes inventory.

It’s the first flyby in a protracted collection for the American probe. Lucy, a 1,550-pound NASA probe, units off to come across Jupiter’s Trojan asteroid; The latter have the peculiarity of being in the identical orbit as the most important planet within the photo voltaic system and are divided into two completely different teams. The asteroid Dinkinesh shouldn’t be a Trojan Jupiter, it’s situated nearer to the Solar as a part of the principle belt. Its flybys function a costume rehearsal for the probe and its scientific devices.

Double Dinky check

First discovery of the Lucy probe: (152830) Dinkinesh is definitely a double asteroid! Groups from the Southwest Analysis Institute (SwRI) and NASA had suspected this for a number of weeks as they noticed how the asteroid’s brightness modified over time. The Dinkinesh binary star reminds us of the Dydimos-Dimorphos pair visited and encountered by NASA’s Dart probe.

Dinky’s flyby particularly is a crucial check for Lucy and her devices. The primary knowledge obtained by NASA reveals that the monitoring system labored accurately, although Dinkinesh is the smallest asteroid in the principle belt thus far. It can take one other week for the probe to obtain the remaining knowledge throughout the flyby. These will characterize the habits of the probe, which shall be used to arrange for subsequent flybys.

A primary flight over a protracted route

Lucy departed from Cape Canaveralcap Canaveral on October 16, 2021. It wasn’t till two years later, on November 1, 2023, that the probe made its first flyby of asteroids. As a part of the principle belt (152830), Dinkinesh shouldn’t be a precedence science goal of the mission. Lucy is initially within the Trojan asteroids of the extra distant Jupiter, which might nicely be witnesses to the formation of our photo voltaic system. Dinkinesh – also referred to as “Dinky” – merely will get in Lucy’s approach. As well as, a flyby of one other fundamental belt asteroid referred to as (55246) Donaldjohanson is deliberate for 2025. The primary Trojan flyby is scheduled for 2027. Lucy will proceed its flybys till 2033.

The Lucy probe launched into a protracted journey to search out “fossil” asteroids

On October 16, NASA launched the Lucy probe, a brand new analysis vessel designed to review so-called “Trojan” asteroids which can be in the identical orbit as Jupiter. After a profitable launch, Lucy’s mission is predicted to span 12 years and allow her to supply researchers with keys to understanding the formation of the photo voltaic system.

Article by Dorian De Shaepmeester, printed on October 23, 2021

Will Lucy quickly turn out to be NASA’s new flagship researcher? The probe launched at 11:34 a.m. (French time) on Saturday, October 16, lifting off aboard an Atlas VAtlas V rocket from Kennedy House CenterKennedy House Middle in Cape Canaveral, Florida. An hour later, Lucy separated from the launch automobile’s second stage. In about thirty minutes, the probe’s photo voltaic panels had been rapidly deployed and the section of powering the devices started. That is the start of twelve years of area exploration for Lucy, who experiences disappointment simply hours after launch.

A primary technical downside that have to be confronted

The American area company rapidly confirmed that the panels had been opened accurately and functioning, however an issue was rapidly identified: one of many two photo voltaic panels was poorly locked. However, NASA engineers assured that the probe’s energy provide was working accurately. In an announcement dated October 17, the company explains: “The staff is presently analyzing the information from the system to grasp the scenario and develop an answer for the complete deployment of the photo voltaic panel.”

If NASA is optimistic, it stays tough to foretell the long-term results of this anomaly. Photo voltaic panels play an vital position within the mission. Of the 800 kilos of the probe (empty), the 2 photo voltaic panels weigh 154 kilos and 77 kilos every and every have a diameter of seven.3 meters. Protecting such a floor permits the probe to proceed to seize the sunshine emitted by the Solar because it flies over Jupiter’s environment, because the orbit of the planet and the Trojan asteroids may be very removed from the star, at 747 million kilometers (or 5). astronomical items (astronomical items).

A protracted, distinctive journey

Lucy due to this fact begins a six-year journey to the so-called “Trojan” asteroids. The latter are teams consisting of a number of asteroids situated within the orbit of Jupiter on the Lagrange factors L4 and L5 and both comply with or precede the gasoline large by 60°. Because the probe rotates across the solar, it is going to transfer in an orbit near that of Earth. The system will perform a primary gravity help across the planet in October 2022, then a second one in December 2024. Lucy will due to this fact set off at a velocity of round 108,000 km/h to confront the Trojans. Because it passes via the asteroid belt between Mars and Jupiter in 2025, the probe will briefly fly previous (52246) Donaldjohanson, one of many fundamental our bodies on this area of the photo voltaic system.

Arrival within the Trojans’ L4 sector won’t happen till August 2027. Lucy will then present her arsenal of devices to start finding out the composition and geology of 4 asteroids: (11351) Leucos, (15094) Polymèle, (21900) Oros and (3548) Eurybates, 11351 Leukos. In 2030, Lucy will carry out a 3rd and last gravity help 400 miles from Earth earlier than setting off on the ultimate leg of her journey: the L5 Lagrange level. It can then fly over the double asteroid system consisting of (617) Patroclus and Menetius.

NASA has not but deliberate to increase Lucy’s mission past 2033. By then, the probe ought to give us keys to understanding the historical past of the photo voltaic system and permit us to verify or refute the speculation that explains the present distribution of planets across the Solar. the so-called Good mannequin. Good mannequin.

Who’s Lucy, the area probe that may set off on a protracted journey on Saturday?

Article by Dorian de SchaepmeesterDorian de Schaepmeester, printed on October 16, 2021

On October 16, NASA will launch its Lucy probe heading towards Jupiter’s Trojan asteroids, celestial our bodies that orbit the solar in the identical orbit because the gasoline large gasoline large. Lucy will function till 2033 and can conduct a number of asteroid examine missions.

NASA begins conquering Jupiter’s Trojan asteroids. The area company will launch a probe on October 16 that may goal these celestial our bodies close to the gasoline large’s orbit. The system, named Lucy, will journey for six years earlier than conducting the majority of its observations between 2027 and 2033. Lucy will dedicate herself to the examine of those asteroids to find out their origin and to verify or refute the Good mannequin, explaining the inequality of celestial our bodies on the origin of the formation of the photo voltaic system.

Lucy or the origin of the photo voltaic system

The venture to review Trojan asteroids goes again a number of years. The American planetary scientists Harold Levison and Cathy Olkin from the SwRI (Southwest Analysis Institute) in Colorado had been behind the event of the Lucy probe in 2010. The formidable venture was then built-in into the photo voltaic system exploration program in 2014 and 1992 by NASA, DiscoveryDiscovery. After years of analysis, building of the probe started in 2019 and took two years. Lucy was imagined to make exact measurements of the Trojan our bodies utilizing her precision devices: a high-resolution digital camera referred to as LORRI (for Lucy’s Lengthy Vary Reconnaissance Imager), one other digital camera used for navigation, the TTCam, and two spectrometers, the primary of which permits the creation of photographs of the near-infrared spectrum (L’Raph) and the opposite is an infrared spectrometer referred to as L’TES (for Lucy’s Thermal Emission Spectrometer).

This wealth of devices will present Lucy and Southwest Analysis Institute researchers with the chance to study extra about these unexplored asteroids. Throughout its flybys, the probe will file varied parts that element the composition of the our bodies, their constructions and even their lots, with the purpose of finishing up an actual examine of the evolution of the photo voltaic system and previous interactions with its varied celestial objects.


The beginning takes place on Saturday, October sixteenth.

After launch, Lucy will profit from Earth’s gravity help twice earlier than heading to the Lagrange factors L4 and L5, the place the asteroid methods (Troyens L4 and Trojan L5) that the probe will examine are situated. As a result of these celestial our bodies, which gravitationally precede or comply with Jupiter by 60° within the orbit of Jupiter, might be one of many keys to understanding the formation of the photo voltaic system.

The Good mannequin within the check

Lucy will deal with six asteroids: the twin system (617) Patroclus and Menetios, (15094) Polymelus, (3548) Eurybates, (11351) Leucos, (21900) Oros. These asteroids will permit us to return to the origins of the photo voltaic system, as they had been topic to the gravitational affect of the planets throughout the start of the present photo voltaic system. The Good mannequin, detailed in a 2005 examine printed within the journal Nature, relies on the next concept: lengthy after the dissolution of the protoplanetary disk, the gasoline giants (Jupiter, Saturn, Saturn, Neptune, Neptune and Uranus, Uranus ) progressively strikes away from the disk Solar to attach their present orbits, inflicting perturbations within the orbit of lighter our bodies and the buildup of methods such because the L4 and L5 Trojans, the Oort Cloud, the Oort Cloud or the Kuiper Belt and the Kuiper Belt.

Will the small probe from NASA and the Southwest Analysis Institute have the ability to verify or refute one of the in style theories concerning the formation of the photo voltaic system? Response to the tip of the Lucy mission deliberate by the American area company in 2033.