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Showing posts with label NASA. Show all posts
Showing posts with label NASA. Show all posts
Saturday, December 14, 2024
From the Team: Recovering the Artemis Spacecraft & Crew - YouTube - Orion Program Update - 13 DEC 2024
This week in 2022,the NASA Exploration Ground Systems Landing and Recovery Team and partners with the Department of Defense recovered a mock-up of the Lockheed Martin Orion spacecraft in the Pacific Ocean.Since then,teams and the Artemis II astronauts conducted Underway Recovery Test 11 in 2023 where they practiced reovering crew and the Orion spacecraft.Further tests are planned.*The Artemis II mission will launch from NASA Kennedy Space Center in April 2026.Its 10 day mission around the Moon will take humans farther from Earth than ever before.Crew members are NASA Commander Reid Wiseman,NASA Pilot Victor Glover,NASA Mission Specialist Christina Koch and CSA Mission Specialist Jeremy Hansen.*The recovery ship will be a Landing Dock Ship such as the USS Harpers Ferry (LSD 49).Landing Dock Ships are amphibious warfare ships equipped with a well deck for launching and recovering amphibious landing craft.*In this video,meet some of the Landing and Recovery team members.*Lockheed Martin (LMT)*Text by NASA Kennedy and edited and augmented by Andrew Taylor
Saturday, November 2, 2024
🌎 LIVE Asteroid Apophis Near Earth Countdown ☄️ NASA Eyes - YouTube - WorldCam - solar system studies
It all began late one night in June 2004 with a small dot swimming into view through the optics of NSF Kitt Peak National Observatory in the Arizona mountains.Astronomer Fabrizio Bernardi and two colleagues flagged the dot as a possible newly discovered asteroid and confirmed its space rock status in short order.9942 Apophis was intriguing but unremarkble-an object the width of a few hundred meters (now estimated at 340 m/1000 ft across) about 770 million km/478,455,818 mi from Earth.Calculations in recent years have proven the asteroid will safely glide past Earth in 2029 and 2036.In 2029,9942 Apophis should pass Earth at a nominal distance of 31,000,000 km/19,662,000 mi from Earth.*According to NASA,asteroids are small space rocks that orbit the Sun.They are remanants from the early formation of the solar system.They are classified as C-type (carbonaceous);M-type (metallic);or S-type (silicaceous).Asteroids are found primarily between the orbits of Mars and Jupiter in the main asteroid belt.They are rocky bodies with no atmosphere.*Notes by WorldCam and edited and augmented by Andrew Taylor
Wednesday, October 2, 2024
Friday, May 31, 2024
Is There Life On Jupiter’s Moons? | The Moon | BBC Earth Science - YouTube - astrobiology,planetary science
The Voyager spacecraft explored the ice giants Saturn and Jupiter,discovering the first ever volcanic activity outside of Earth on Jupiter's moon Io.Later,the Galileo spacecraft studied Jupiter's moon Europa,revealing that it's surface is covered by ridges and cracks,the strongest evidence of an ocean beneath its icy crust.The Juno spacecraft,launched in 2011 and arriving at Jupiter in 2016,made recent flybys of Jupiter's moons Ganymede,Europa and Io from 2021 to 2024.Juno's mission has been extended to 2025.Where there are heat and water,there may be extraterrestrial life.
Tuesday, May 7, 2024
Monday, April 15, 2024
NASA's building a solar sail to propel space exploration - YouTube - Space.com
It's the early days of solar sail technology,which has been mentioned as a way to reach another star within a human lifetime.NASA's vision is to send solar sails to destinations within our solar system.
Labels:
NASA,
solar sail technology,
solar system studies,
Space.com
Monday, April 8, 2024
Thursday, April 4, 2024
NASA News Conference on Lunar Terrain Vehicle for Artemis Missions
This is a competition,and there will be only one award.Public Corporations involved include Intuitive Machines (LUNR),Boeing (BA),Northrop Grumman (NOC),Lockheed Martin (LMT) and Goodyear (GT).
Tuesday, March 5, 2024
NASA Science Live: Our First Commercial Science Delivery to the Moon - Lunar Science
Intuitive Machines Inc (LUNR)
hosted by Tahira Allen
Dr.Sue Lederer CLPS Project Scientist
Dr.Debra Needham CLPS Program Scientist
The mission was largely a scientific success,including the first ever radio telescope on the Moon,which gathered data both in transit to the Moon and on the lunar surface.The instrument which didn't work right was the Plume Surface Studies,whose goal was to image the engine exhaust plume as it churned up dust on the lunar surface.Its secondary goal was to image the exposed fresh surface below the lander throughout the lunar day for science investigations.It wasn't able to collect data on descent this time,but we were able to test it in space,as well as after landing to help prepare for its next mission,which will be on the Firefly spacecraft.
Wednesday, February 28, 2024
New images from Odysseus moon lander released - CBS News
Derrick Pitts is chief astronomer at The Franklin Institute,a science museum in Philadelphia.*Intuitive Machines Inc (LUNR)
Thursday, February 22, 2024
Intuitive Machines-1 Lunar Landing (Official NASA Broadcast) starts at 4:33
NASA's payloads on the IM-1 lunar lander aim to learn about the terrain and communications at the lunar south pole,incuding the first ever radio telescope on the Moon.*Intuitive Machines Inc (LUNR)
Tuesday, February 20, 2024
Intuitive Machines lunar lander captures amazing views of Earth after SpaceX launch
The Odysseus lunar lander is slated for a lunar landing attempt on 22 February 2024.It will carry six payloads for NASA,including the first ever radio telescope on the Moon.In the photos,the Moon is the brightest object.
Thursday, January 18, 2024
Wednesday, January 10, 2024
NASA Discusses Upcoming Artemis Crew Missions (Jan. 09, 2024) - starts at 5:17
New Timetable for Artemis Crewed Missions:Artemis II - September 2025;Artemis III Lunar landing:September 2026
Why:Analysis of Artemis I data brought certain potential flaws to NASA's attention.Specifically,1.A small amount of charring that they hadn't expected occurred on the Orion heat shield,and they need to work through that to be comfortable with crew safety.2.A circuit issue with the life support system needs to be worked through.3.An issue with the launch abort system was identified and needs to be resolved.4.SpaceX has had setbacks with its Starship spacecraft,which is to serve as the lunar lander for the Artemis III astronauts.They need more time to process the issues and will do an uncrewed test with Starship landing on the Moon and then returning to Earth.The first priority is astronaut safety.We're not going till we're ready,NASA Administrator Bill Nelson said.He doesn't think China will get astronauts to the Moon first.NASA and its industry partners are comfortable with the new schedule.
Tuesday, January 9, 2024
The first Vulcan rocket launch - 8 January 2024 - Cape Canaveral Space Force Station
The United Launch Alliance Vulcan Centaur rocket operated nominally on its inaugural flight.The Peregrine lunar lander experienced a serious propellant anomaly while in Earth orbit and is not expected to reach the Moon.Some of the experiments onboard Peregrine may be operable,however,and Astrobotic Technology will salvage what it can of the mission.It was the first of NASA's new Commercial Lunar Payload Services (CLPS) missions,a high risk effort to encourage commerical access to the Moon,paving the way for crewed lunar landings by the Artemis missions.
Saturday, December 2, 2023
James Webb Space Telescope captures amazing view of 'cosmic crib' - See in 4K - astrophysics
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Herbig-Haro objects are luminous regions surrounding newborn stars (protostars).
Music "A Rising Sun" by Alan Ellis courtesy Epidemic Sound.
Saturday, November 18, 2023
About Ion Thruster Engines - physics
According to NASA,the most common propellant used in ion propulsion is the heavy neutral gas Xenon,which is easily ionized and has a high atomic mass,thus generating a desirable level of thrust when ions are accelerated.The thrusters work by using an electrical charge to accelerate ions from Xenon fuel to a speed 7-10 times the speed of chemical engines.An ion is defined as an atom or molecule that has gained or lost one of its valence eletrons,giving it a net positive or negative electrical charge.So it is a charged entity,as opposed to a neutral one.
Wednesday, November 8, 2023
Sunday, September 24, 2023
Monday, September 18, 2023
James Webb Space Telescope captures Saturn's changing season - planetary science - no sound
James Webb Space Telescope imagery from 2022 is superimposed on a Hubble Space Telescope image of Saturn.The yellow areas represent warming and the purple areas represent cooling.Saturn has a very active atmosphere with storms and hurricanes,chemical reactions and brightness caused by icy ring particles raining down on the atmosphere.Saturn also has ultraviolet auroras caused by solar wind particles interacting with hydrogen in Saturn's atmosphere.These auroras can only be viewed from space by space telescopes with ultraviolet capability.
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