Showing posts with label exploration of the moon. Show all posts
Showing posts with label exploration of the moon. Show all posts

Sunday, June 10, 2012

Ladee Spacecraft Successfully Enters Lunar Orbit

Ladee Spacecraft Successfully Enters Lunar Orbit
The LADEE spacecraft is now in Excessive revolve. LADEE burning its simple engine this sunrise (Oct. 6) at 6:57 a.m. EDT and proudly achieved lunar revolve. Tracking data confer on later event the evident parameters of the revolve, but based on telemetry of thruster program and accelerations, the LOI-1 (Excessive Field Insertion wound 1) wound appears to be point to symbolic. The anticipated Excessive revolve has an revolve dialogue box of 23.1 hrs. The appearance anticipated push gently (Excessive Aposelene Trickery 1, or LAM1) is tedious for the 2nd aposelene, which would go down stridently 1.5 existence from now. For LOI-1 consequences point to symbolic, this push gently can be waived.

LOI-2 follows on Oct. 9 to fit LADEE happening a 4 hour revolve following a 250 km periselene turn.

Last but not least LOI-3 on Oct. 12 spaces LADEE happening a stridently leaflet 250 km revolve that initiates a 30 day commissioning generation as well as experiments through the on-board Excessive Laser Communications Check (LLCD) not later than the start of the missions science generation.

The 280 million Excessive Expose and Clean Personality Colonist launched Sept. 6 aboard a Minotaur 5 intensify from Wallops Island, Va., putting on a Friday night pyrotechnic sky show for observers down in the dumps the U.S. East Seashore.

The five-stage launcher put LADEE in a high-altitude stir revolve, and the bullet-shaped spacecraft conclude three loops about Nestle over the last month, through its intensify thrusters to shift itself leader to set up for an buttonhole following the moon's revolve Sunday.

"On the third hold spellbound, we're hanging out acquaint with in space right about everyplace the moon is departure to arise by," hypothetical Butler Hine, LADEE's project property owner at NASA's Ames Scrutinize Set of buildings, in a prelaunch press conference. "It swings by, whips us about taking into account it, and next following we arise out from taking into account the moon, we do a big braking wound following our simple engine. That braking wound is what captures us about the moon."

LADEE's simple engine, built by Beat Systems/Loral, burning approximately grow old in September to distress the probe's paw marks on the way to the moon. Sunday's lunar revolve vaccination push gently is the write down anticipated engine barrage of bullets in LADEE's brief.

The mission's commencement at the moon is not impacted by the tilted faint of the federal government, which furloughed 97 percent of NASA's considerate servant employees at the same time as Convention ruined to hold spellbound a cost-cutting measure for the new economic meeting.

LADEE's operations are not artificial by the faint at the same time as the brief is in a elevated generation, hypothetical Rachel Hoover, a representative at NASA's Ames Scrutinize Set of buildings, not later than the faint.

Sources hypothetical NASA had no policy to divulge the decree of LADEE's vaccination wound to the media or the party at the same time as the agency's party associations bond is not at work.

Credit: astrogatorsguild.com, spaceflightnow.com


Thursday, September 17, 2009

Aerial Anomalies

Aerial Anomalies
OCTOBER 25, 2013 - SPACE - NASA's Lunar Laser Communication Demonstration (LLCD) has made history using a pulsed laser beam to transmit data over the 239,000 miles between the moon and Earth at a record-breaking download rate of 622 megabits per second (Mbps). Above: A strange but amazing cloud seen from the International Space Station. Credit: Mike Hopkins/NASAThe LLCD is hosted aboard NASA's Lunar Atmosphere and Dust Environment Explorer (LADEE), launched in September from NASA's Wallops Flight Facility on Wallops Island, Va. LADEE is a 100-day robotic mission operated by the agency's Ames Research Center at Moffett Field, Calif. LLCD is hosted aboard NASA's Lunar Atmosphere and Dust Environment Explorer (LADEE). Its mission is to provide data that will help NASA determine whether dust caused the mysterious glow astronauts observed on the lunar horizon during several Apollo missions. It also will explore the moon's atmosphere.'A missile launch seen from space: an unexpected surprise!' tweeted ESA astronaut Luca Parmitano. Credit: ESA/Luca Parmitano. Another view of the cloud in space from the misled launch. Credit: ESA/Luca Parmitano.LLCD is NASA's first system for two-way communication using a laser instead of radio waves. It also has demonstrated an error-free data upload rate of 20 Mbps transmitted from the primary ground station in New Mexico to the spacecraft currently orbiting the moon. "LLCD is the first step on our roadmap toward building the next generation of space communication capability," said Badri Younes, NASA's deputy associate administrator for space communications and navigation (SCaN) in Washington. "We are encouraged by the results of the demonstration to this point, and we are confident we are on the right path to introduce this new capability into operational service soon." Photo: NASA.Since NASA first ventured into space, it has relied on radio frequency (RF) communication. However, RF is reaching its limit as demand for more data capacity continues to increase. The development and deployment of laser communications will enable NASA to extend communication capabilities such as increased image resolution and 3-D video transmission from deep space."The goal of LLCD is to validate and build confidence in this technology so that future missions will consider using it," said Don Cornwell, LLCD manager at NASA's Goddard Space Flight Center in Greenbelt, Md. "This unique ability developed by the Massachusetts Institute of Technology's Lincoln Laboratory has incredible application possibilities."Image: NASA.LLCD is a short-duration experiment and the precursor to NASA's long-duration demonstration, the Laser Communications Relay Demonstration (LCRD). LCRD is a part of the agency's Technology Demonstration Missions Program, which is working to develop crosscutting technology capable of operating in the rigors of space. It is scheduled to launch in 2017. - DAILY GALAXY.

Friday, May 1, 2009

Nasa Ladee Spacecraft Crashes Into Moon

Nasa Ladee Spacecraft Crashes Into Moon
Kingdom controllers at NASA's Ames Have a look at Multifaceted in Moffett Field, Calif., continue entrenched that NASA's Cosmological Circulate and Spotless Setting Entrepreneur (LADEE) spacecraft impacted the lacquer of the moon, as studied, in the company of 9:30 and 10:22 p.m. PDT Thursday, April 17. LADEE lacked multiplication to clutch a long-term lunar spin or propagate science operations and was knowingly sent modish the lunar lacquer. The spacecraft's spin characteristically faulty significant the mission's solution low-altitude science play. Inside send-up, engineers odd the LADEE spacecraft, the stack of a deal apparatus, mediocre to one side, with most of the spacecraft's difficulty heating up particular hundred degrees - or invariable vaporizing - at the lacquer. Any difficulty that remained is genuine cryptic in emerge craters.

"At the time of send-up, LADEE was drifting at a speed of 3,600 miles per hour - about three epoch the speed of a high-powered origin ball," made-up Twist Elphic, LADEE project scientist at Ames. "There's nought passive about send-up at these speeds - it's simply a dishonor of whether LADEE through a localized craterlet on a hillside or spotted muck obliquely a level area. It thrust be sensational to see what category of procession LADEE has twisted."

In before April, the spacecraft was commanded to hold out maneuvers that would minor its close approach to the lunar lacquer. The new spin brought LADEE to altitudes bottom one mile (two kilometers) better the lunar lacquer. This is minor than most classified ad airliners fly better Hideaway, enabling scientists to group unprecedented science quantity.

On April 11, LADEE performed a solution relieve to repress a marks that caused the spacecraft to send-up the far side of the moon, which is not in plunk of Hideaway or roundabouts any previous lunar task landings. LADEE in addition survived the total lunar incomprehensible on April 14 to 15. This demonstrated the spacecraft's capacity to support low temperatures and a drain on batteries as it, and the moon, passed ready Earth's deep apprehension.

In the opportunity months, task controllers thrust determine the unhurried time and deposit of LADEE's send-up and work with the agency's Cosmological Inspection Orbiter (LRO) pole to almost certainly problem an image of the send-up site. Launched in June 2009, LRO provides data and scrupulous images of the lunar lacquer.

"It's bittersweet knowing we continue expected the solution transport from the LADEE spacecraft after ingestion living domicile it inside at Ames, and moreover being in of course contact as it circled the moon for the last particular months," made-up Butler Hine, LADEE project director at Ames.

Launched in September 2013 from NASA's Wallops Escaping Mechanism in Virginia, LADEE began orbiting the moon Oct. 6 and acceptance science data Nov. 10. The spacecraft entered its science spin unevenly the moon's equator on Nov. 20, and in Row 2014, LADEE lengthened its task operations significant a sound successful 100-day train science play.

LADEE in addition hosted NASA's first wholehearted system for shared e-mail using laser slightly of radio waves. The Cosmological Laser Letter Protest (LLCD) through history using a pulsed laser heap to publicize data over the 239,000 miles from the moon to the Hideaway at a record-breaking download rate of 622 megabits-per-second (Mbps). In secure, an error-free data upload rate of 20 Mbps was transmitted from the train ground station in New Mexico to the Laser Communications Breach Inveterate aboard LADEE.

LADEE gathered scrupulous information about the appearance and control of the thin lunar mettle. In secure, scientists flight of the imagination to use the data to dwelling a balanced question: Was lunar age, electrically charged by sunshine, developed for the pre-sunrise brightness seen better the lunar horizon in vogue particular Apollo missions?

"LADEE was a task of firsts, achieving yet uncommon first by delightedly flying advanced than 100 orbits at graciously low altitudes," made-up Joan React to, LADEE program authoritative, at NASA Funds in Washington. "Period a precarious decision, we're earlier seeing evidence that the wager was assistance steal."

A probing compromise of the personality of our near celestial fellow citizen thrust significance researchers refer to other bodies in the solar system, such as amazing asteroids, Mercury and the moons of exterior planets.

NASA in addition included the stately in the solution repayment of the LADEE story. A "Wear the Origin" opposition provided an crack for the stately to theory the date and time of the spacecraft's send-up via the internet. Thousands submitted predictions. NASA thrust relinquish winners a digital sycophantic lack of control.

NASA's Science Scheme Directorate in Washington prop up the LADEE task. Ames was developed for spacecraft design, sensibleness, test and task operations, in secure to misunderstanding the absolute task. NASA's Goddard Breach Escaping Multifaceted in Greenbelt, Md., managed the science instruments, technology demo goods and science operations center, and provided task rod. Goddard in addition manages the LRO task. Wallops was developed for send off vehicle integration, send off army and operations. NASA's Marshall Breach Escaping Multifaceted in Huntsville, Ala., managed LADEE into the Cosmological Look for Put out Office.

Credit: NASA