Category Archives: Earth-Moon L2 Lagrange Point

Friday / 29 Mar 2019

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Lunar Base Radio Astronomy From Far Side And South Pole

Radio Observation From Lunar Far Side, Sheltered From Earthly Radio Noise, Continues To Be International Astronomy Goal; Netherlands-China Low-Frequency Explorer (NCLE) With Three 5-meter Radio Antennae Near Earth-Moon L2 Point Above Lunar Far Side Will Begin Operation In April When Chang’e-4 Lander At Statio Tianhe (Milky Way) Base Finishes Primary Mission; Lunar South Pole Is Goal Of Both USA And International Lunar Observatory Association; ILO-1 Antenna Dish Will Be On ~5-km Malapert Mountain

Credits: ILOA, NAOC, NASA

Weekend Edition
Fri-Mon / 27-30 July 2018

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Chang’e-4 Far Side Moon Lander On Track For Dec Launch; Beijing Big Moon Expo Continues

China Long March 3B Set To Launch Chang’e-4 Lander & Rover Dec 2018 To Lunar Far Side South Pole Aitken Basin; Lander To Carry High-Res Cameras, Low Frequency Spectrometer, “Lunar Lander Neutrons & Dosimetry”; Rover Equipped With Panoramic Camera, Lunar Penetrating Radar, Visible / Infrared Spectrometer, “Advanced Small Analyser For Neutrals”; Queqiao Relay Satellite At L2 Orbit; Longjiang-2 Operates In Elliptical Lunar Orbit Transmitting Images From Moon; Lunar Exploration Technology Exhibition Featuring 10-meter Moon Continues To 9 Oct At Beijing National Aquatic Center “Water Cube”

Credits: CNSA, CASC, Chinese Academy of Sciences, Beijing National Aquatic Center, NASA

Weekend Edition
Fri-Mon / 15-18 June 2018

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Chang’e-4 Relay Satellite Enters Intended Orbit, Prepares For Upcoming Mission

China Relay Satellite Queqiao Successfully Reaches Halo Orbit Around Earth-Moon Lagrange Point 2, Will Undergo Orbit Maintenance Every 7 Days, Equipped With NCLE Low-Frequency Pathfinder To Detect Cosmic Dark Ages Radio Signals, Will Act As Communication Relay For Chang’e-4 Lander & Rover Mission Planned Nov-Dec Launch To South Pole Aitken Basin / Von Kármán Crater; Microsatellite Longjiang-2 Operates In Lunar Orbit, Transmits Far Side Pictures Using Saudi Arabia Optical Camera; NAOC Prof Ping Jinsong Mentions Feasibility Of Flying Near-Future Low Cost Lunar Constellation

Credits: CNSA, CLEP, KASCST, NAOC, CAS, Planetary Society, NCLE, ASTRON

Wednesday / 6 Jun 2018

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Netherlands-China Low-Frequency Explorer Team Looks Forward To Studying Cosmic Dark Ages From Behind The Moon

Recently Launched Queqiao Relay Satellite For Future Chang’e-4 Lunar Far Side Lander Carries NCLE Instrument On Its Backside – With Three Deployable 5-m Monopole Antennas To Measure Radio Waves Below 30 MHz; Chang’e-4 Expected To Land By End Of 2018; NCLE Antennas To Unfold After Chang’e-4 Primary Mission Completes Around March 2019; Principal Investigator Heino Falcke From Netherlands Radboud University Presents “Radio Astronomy On And Around The Moon” At Ongoing American Astronomical Society 232nd Meeting In Denver, USA

Credits: CAST, NCLE, AAS, ASTRON, Heino Falcke

Weekend Edition
Fri-Mon / 18-21 May 2018

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Chang’e-4 Relay To Attempt Detection Of Radio Signals From Cosmic Dark Ages

China To Launch Long March 4C / Chang’e-4 Relay From Xichang 20 May, Precursor For November Moon South Pole Lander; Loft 2 Microsatellites To Lunar Orbit For Low Frequency Radio Astronomy & Interferometry, And Relay Satellite (Queqiao) To L2 Which Carries Netherlands-China Low Frequency Explorer (NCLE) Pathfinder; NCLE Scheduled To Unspool Three 2-meter Antennas March 2019, Detect Radio Signals Pre-First Stars, Study Solar Flares & Jupiter Aurora; NCLE PI Heino Falcke Advocates For Radio Astronomy From Moon

Credits: CNSA, NASA, Radboud University, ASTRON Netherlands Institute for Radio Astronomy

Thursday / 14 Dec 2017

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Chang’e-3 Begins 5th Year On Moon Continuing LUT Astronomy While Chang’e-4 Prepares For 2018 Launches With VLF Antennas

Dec 14 Marks Full 4 Years Of Operating On Lunar Surface For Chang’e-3, Currently In 50th Lunar Night; China Plans To Launch Chang’e-4 Lander & Rover In Dec 2018 To Accomplish 1st Ever Lunar Far Side Mission, Likely In South-Pole Aitken Basin; Relay Satellite To Earth-Moon L2 To Be Launched First In June; Both Lander & Satellite To Carry 3 Orthogonal Low-Frequency Radio Spectrometer Antennas For Astronomical Measurements Below 30 MHz; Chang’e-5 Sample Return Mission Now Manifested For NET 2018

Credits: SASTIND, Wen Wei Po, CNSA

Wednesday / 15 June 2016

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China Moon South Pole CE4 Details Emerging For 2018 Mission

LED-6-14-2016

Liu Tongjie, Deputy Director Of CNSA Lunar Exploration & Space Program Centre Highlights Launch Of Critical CE4 Communications Relay Satellite To Halo Orbit Of Earth-Moon L2 In Late-May Or Early-June 2018; Followed ~6 Months Later By Launch Of Lander To South Pole Aitken Basin Fitted With Descent, Terrain Cameras; Main Payload Is Low-Frequency Radio Spectrometer; 3 International Payloads From Netherlands, Sweden, Germany; Rover With Panoramic Camera, Ground-Penetrating Radar, Infrared Spectrometer

Credit: CNSA, NAOC-CAS, CNS, JAXA (Topographical map of Moon farside based on Kaguya data, Aitken basin approximately 2,500km in diameter and 13km deep circled, red represents high elevation, purple represents low elevation)

Wednesday / 16 December 2015

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China Chang’e-4 Readying For Moon Far Side Mission 2020, Relay Satellite 2018

12162015With Goal Of First Landing On Moon Far Side, CE-4 Communications Relay Satellite Being Prepared To Deploy In 2018 Via Long March 5 Rocket From Wenchang Satellite Launch Complex At Hainan Island; Satellite Will Serve As Communications Link Between Moon Far Side / Earth From L2; CE-4 Lander & Rover Slated For NET 2020 Launch & Will Have Low Frequency Radio Spectrometer For Astronomy; Chief Scientist Of China Lunar Exploration Program Ziyuan Ouyang States “Since Chang’e-3 Successfully Completed Its Mission We Have Had More Time To Explore A More Comprehensive Mission For Chang’e-4”

Credit: CNSA, CAST, CLEP, NASA

Friday / 20 November 2015

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China Chang’e-2 Lunar Probe Adding To Data On Formation And Evolution Of Near Earth Asteroids

11202015Chang’e-2 Images Of Asteroid 4179 Toutatis Being Studied By China & U.S. Scientists To Identify Sizes & Distribution Pattern Of More Than 200 Boulders On Surface; Findings Aid Future Asteroid, Deep Space Missions; CE-2 Heading Toward 300M Km Apogee To Verify China Deep-Space Tracking & Control Systems; CE-2 Is First Satellite To Be Removed From Moon Orbit & Go To L2, It Tested Technologies For CE-3 Moon Landing; China Affirms Chang’e Lunar Program “Going As Planned” As Stated By Chief Commander Ye Peijian Of CAST

Credit: CAST

Thursday / 15 October 2015

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Fuel Production On Lunar Surface To Aid Deep Space Exploration, Mars Missions

10152015MIT Study Suggests Refueling On Moon Could Play Role In Sustainable Human Mars & Deep Space Missions; Takuto Ishimatsu Postdoc At MIT Notes New Mathematical Model Improving On Conventional Straight Shot Route, States “The Idea Of Taking A Detour Into The Lunar System…It’s Very Unintuitive…This Could Be Very Affordable in The Long Term”; Lunar Soil & Water Ice In Craters May Be Mined & Converted Into Fuel In-Situ; Fuel Depots At Lagrange Points Would Potentially Reduce The Launch Mass Of A Mars Mission By 68%; Resource Producing Infrastructure Is Vital To Promote Human Presence, Enterprise & Exploration

Credit: NASA, MIT