The mission's science objectives are grouped in three distinct priorities. The "primary objectives" were required; the "secondary objectives" were expected to be met but were not demanded. The "tertiary objectives" were desired. These objectives could have been skipped in favor of the above objectives. An objective to measure any magnetic field of Pluto was dropped.
New Horizons had a relative velocity of Starting 3. This is half the rotation period of the Pluto—Charon system and allowed imaging of all sides of both bodies. Close range imaging was repeated twice per day in order to search for surface changes caused by localized snow fall or surface cryovolcanism. Because of Pluto's tilt, a portion of the northern hemisphere would be in shadow at all times. Meanwhile, Alice characterized the atmosphere, both by emissions of atmospheric molecules airglow , and by dimming of background stars as they pass behind Pluto occultation.
VBSDC searched for dust, inferring meteoroid collision rates and any invisible rings.
REX performed active and passive radio science. The communications dish on Earth measured the disappearance and reappearance of the radio occultation signal as the probe flew by behind Pluto. The results resolved Pluto's diameter by their timing and atmospheric density and composition by their weakening and strengthening pattern. Alice can perform similar occultations, using sunlight instead of radio beacons.
Previous missions had the spacecraft transmit through the atmosphere, to Earth "downlink". Pluto's mass and mass distribution were evaluated by the gravitational tug on the spacecraft. As the spacecraft speeds up and slows down, the radio signal exhibited a Doppler shift. The Doppler shift was measured by comparison with the ultrastable oscillator in the communications electronics. Reflected sunlight from Charon allowed some imaging observations of the nightside. Backlighting by the Sun gave an opportunity to highlight any rings or atmospheric hazes. REX performed radiometry of the nightside.
Estimates for the dimensions of these bodies are: Nix at Initial predictions envisioned Kerberos as a relatively large and massive object whose dark surface led to it having a faint reflection.
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Soon after the Pluto flyby, in July , New Horizons reported that the spacecraft was healthy, its flight path was within the margins, and science data of the Pluto—Charon system had been recorded. By March 30, , New Horizons had reached the halfway point of transmitting this data. The New Horizons team requested, and received, a mission extension through to explore additional Kuiper belt objects KBOs.
Funding was secured on July 1, However, despite the large population of KBOs, many factors limited the number of possible targets. Because the flight path was determined by the Pluto flyby, and the probe only had 33 kilograms of hydrazine propellant remaining, the object to be visited needed to be within a cone of less than a degree's width extending from Pluto.
In , mission scientists started a dedicated search for suitable KBOs using ground telescopes. Large ground telescopes with wide-field cameras, notably the twin 6. By participating in a citizen-science project called Ice Hunters , the public helped to scan telescopic images for possible suitable mission candidates.
On October 15, , it was revealed that Hubble's search had uncovered three potential targets,      temporarily designated PT1 "potential target 1" , PT2 and PT3 by the New Horizons team. Each were at distances from the Sun of ranging from 43 to 44 AU, which would put the encounters in the — period.
PT1 given the temporary designation "Y" on the HST web site  , the most favorably situated object, has a magnitude of A mission to PT3 was in some ways preferable, in that it is brighter and therefore probably larger than PT1, but the greater fuel requirements to reach it would have left less for maneuvering and unforeseen events. By the fall of , a possible fourth target, MT 69 , had been eliminated by follow-up observations. PT2 was out of the running before the Pluto flyby. The necessary course adjustment was performed with four engine firings between October 22 and November 4, Aside from its flyby of MU 69 , the extended mission for New Horizons calls for the spacecraft to conduct observations of, and look for ring systems around, between 25 and 35 different KBOs.
Science objectives of the flyby included characterizing the geology and morphology of MU 69 nicknamed "Ultima Thule" ,   and mapping the surface composition by searching for ammonia, carbon monoxide, methane, and water ice. Searches will be conducted for orbiting moonlets, a coma, rings, and the surrounding environment. The new mission began on October 22, , when New Horizons carried out the first in a series of four initial targeting maneuvers designed to send it toward MU The remaining three targeting maneuvers took place on October 25, October 28, and November 4, The official approach phase began on August 16, , and continued through December 24, At that time, MU 69 was visible at magnitude 20, against a crowded stellar background in the direction of the constellation Sagittarius.
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But now it's fire signs' turn with Jupiter in Sagittarius from Nov. The Astro Twins forecast Aries' horoscope for today. Aries Horoscope comes with major finalizations in the lives of these natives. This would show profit opportunities through sales, marketing, PR, advertising, teaching and writing. Aries 21 March — 19 April Turning points come early in a month which has a lot of potential.
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A very good day to harmonise your relations with wife. You may have to travel out of the home during last ten months of this transit this period. Capricorn Horoscope for Fortune is on your side. Their inner intensity can result in the ice-cold restraint and detachment of the surgeon, the concentration of the research scientist and the heroism of the soldier.
Any profession in which analysis, investigation, research or dealing with the solving of mysteries are present appeals to Scorpio. Their secretive natures make them natural detectives. Police ,espionage, the law, physics or psychology are attractive professions to the Scorpio. As writers and orators they excel. The Scorpio character is the one you see up on the podium delivering fiery speeches. They succeed because they communicate the power of their convictions. Topaz can be found in a variety of colors, depending on the proportions of water and fluorine impurities yellow, clear and blue being displayed here.
The mineral is a silicate of aluminum. Alternate Stone is Citrine. In ancient times, it was believed that citrine could bring a sense of balance and well being to the wearer. It should be cleaned in warm soapy water with a soft bristle brush.
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Citrine can fade in the sun. For more info on Topaz Citrine click here. Your worst fault is you are too adaptable to the people with whom you come into contact. Having an ambition is the only thing that can save the Scorpios. As a rule they go through a great deal of trouble and often privation in their early years. Heart is their weakest organ and they should take care that it is not overstrained in work or excercise. Origins in Mythology.
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Look towards the constellation Scorpius, and you shall see one of the greatest stars visible to the human eye. There, at the very heart of the great scorpion is the brilliant Antares! This red giant, is some four hundred times larger than our own sun. Aquarius Daily Horoscope - Monday, Oct 1, Todays, If you have been on excessive mode in any area of your life recently, it is time today to see the overall picture and strike a happy balance.
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http://argo-karaganda.kz/scripts/befasisa/2864.php As per Aquarius Horoscope , new conflicts or disagreements with the spouse might arise during this period.
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