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 Featured Sols 4214–4215: The Best Laid Plans...3 min readSols 4214–4215: The Best Laid Plans...article19 hours ago Hubble Observes a Cosmic Fossil2 min readHubble Observes a Cosmic Fossilarticle9 hours ago Voyager 1 Returning Science Data From All Four Instruments2 min readVoyager 1 Returning Science Data From All Four Instrumentsarticle20 hours ago
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 Highlights A large propeller plane takes off from a runway, surrounded by brown and green grasses with low buildings out of focus in the background. The plane is white with a blue stripe down the middle, and has a NASA logo on the tail. The sky is a hazy blue with some clouds.

	2 min read

		NASA-Led Mission to Map Air Pollution Over Both U.S. Coasts

		article

			1 hour ago Students watch a sounding rocket launch at sunrise.

	4 min read

		NASA’s Wallops Flight Facility to Launch Student Experiments

		article

			2 hours ago NASA’s Hubble Restarts Science in New Pointing Mode

	3 min read

		NASA’s Hubble Restarts Science in New Pointing Mode

		article

			2 hours ago
 Highlights A woman with long, wavy hair and a bright smile sits at a round table during a formal event, surrounded by other attendees. She is wearing a brown cardigan and a patterned blouse.

	5 min read

		Lakita Lowe: Leading Space Commercialization Innovations and Fostering STEM Engagement

		article

			2 days ago NASA’s Repository Supports Research of Commercial Astronaut Health

	2 min read

		NASA’s Repository Supports Research of Commercial Astronaut Health

		article

			3 days ago NASA astronaut Doug “Wheels” Wheelock and Axiom Space astronaut Peggy Whitson prepare for a test of full-scale mockups of spacesuits developed by Axiom Space and SpaceX’s Starship human landing system developed for NASA’s Artemis missions to the Moon.

	4 min read

		NASA Astronauts Practice Next Giant Leap for Artemis

		article

			1 week ago
 Highlights A large propeller plane takes off from a runway, surrounded by brown and green grasses with low buildings out of focus in the background. The plane is white with a blue stripe down the middle, and has a NASA logo on the tail. The sky is a hazy blue with some clouds.

	2 min read

		NASA-Led Mission to Map Air Pollution Over Both U.S. Coasts

		article

			1 hour ago NASA Announces New System to Aid Disaster Response

	4 min read

		NASA Announces New System to Aid Disaster Response

		article

			24 hours ago Amendment 21: A.3 Ocean Biology and Biogeochemistry: NSPIRES cover page issue and Delay of Proposal Due Date

	2 min read

		Amendment 21: A.3 Ocean Biology and Biogeochemistry: NSPIRES cover page issue and Delay of Proposal Due Date

		article

			2 days ago
 Highlights The Next Full Moon is the Strawberry Moon

	17 min read

		The Next Full Moon is the Strawberry Moon

		article

			21 hours ago Mars Dunes

	5 min read

		NASA’s Perseverance Fords an Ancient River to Reach Science Target

		article

			1 day ago Ed Stone, former director of JPL and project scientist for the Voyager mission, died on June 9, 2024. A friend, mentor, and colleague to many, he was known for his straightforward leadership and commitment to communicating with the public.

	5 min read

		Ed Stone, Former Director of JPL, Voyager Project Scientist, Dies

		article

			3 days ago
 Featured Hubble Observes a Cosmic Fossil

	2 min read

		Hubble Observes a Cosmic Fossil

		article

			9 hours ago WL20 group of stars is located in the Rho Ophiuchi star-forming region

	5 min read

		NASA’s Webb Reveals Long-Studied Star Is Actually Twins

		article

			1 day ago Artist's illustration of a star system near the Sun that is close enough to Earth for exoplanets in their habitable zones to be directly imaged using future telescopes.

	4 min read

		Coming in Hot — NASA’s Chandra Checks Habitability of Exoplanets

		article

			2 days ago
 Highlights Hubble Observes a Cosmic Fossil

	2 min read

		Hubble Observes a Cosmic Fossil

		article

			9 hours ago Voyager 1 Returning Science Data From All Four Instruments

	2 min read

		Voyager 1 Returning Science Data From All Four Instruments

		article

			20 hours ago WL20 group of stars is located in the Rho Ophiuchi star-forming region

	5 min read

		NASA’s Webb Reveals Long-Studied Star Is Actually Twins

		article

			1 day ago
 Highlights Illustration showing several future aircraft concepts flying over a mid-sized city with a handful of skyscrapers.

	7 min read

		ARMD Solicitations

		article

			1 week ago Team “Rumble Ready” from California State Polytechnic University, Pomona, comprised of (from left to right) Professor Mark Gonda, Nicole Xie, Junaid Bodla, Jordan Ragsac, Krishi Gajjar, Gerald McAllister III, and Leara Dominguez, took home first place at the 2024 Gateways to Blue Skies Forum held May 30-31 at NASA Ames Research Center. They are standing in a row posing for the photo; the team members are wearing blue t-shirts, black pants, and tennis shoes.

	4 min read

		Winners Announced in Gateways to Blue Skies Aeronautics Competition

		article

			2 weeks ago Graphic shows a possible future General Electric jet engine with exposed fan blades in front of a cut-away-interior view of its core mechanisms -- all part of NASA's HyTEC research project.

	4 min read

		NASA, Industry to Start Designing More Sustainable Jet Engine Core

		article

			4 weeks ago
 Highlights Simulated Roman image full of synthetic galaxies

	6 min read

		NASA’s Roman Mission Gets Cosmic ‘Sneak Peek’ From Supercomputers

		article

			2 days ago Ed Stone, former director of JPL and project scientist for the Voyager mission, died on June 9, 2024. A friend, mentor, and colleague to many, he was known for his straightforward leadership and commitment to communicating with the public.

	5 min read

		Ed Stone, Former Director of JPL, Voyager Project Scientist, Dies

		article

			3 days ago Astronaut-packaged cheese sandwiches

	2 min read

		Food Safety Program for Space Has Taken Over on Earth

		article

			4 days ago
 Featured A team from Iowa accepts its Artemis grand prize award during NASA’s Lunabotics competition on Friday, May 17, 2024, at the Center for Space Education near the Kennedy Space Center Visitor Complex in Florida.

	5 min read

		Artemis Generation Shines During NASA’s 2024 Lunabotics Challenge

		article
			2 weeks ago
 Highlights Students watch a sounding rocket launch at sunrise.

	4 min read

		NASA’s Wallops Flight Facility to Launch Student Experiments

		article

			2 hours ago A large propeller plane takes off from a runway, surrounded by brown and green grasses with low buildings out of focus in the background. The plane is white with a blue stripe down the middle, and has a NASA logo on the tail. The sky is a hazy blue with some clouds.

	2 min read

		NASA-Led Mission to Map Air Pollution Over Both U.S. Coasts

		article

			1 hour ago NASA astronaut and Expedition 64 Flight Engineer Victor Glover reviews procedures on a computer for the Monoclonal Antibodies Protein Crystal Growth (PCG) experiment inside the Harmony module.

	2 min read

		NASA Joins National Space Council in Celebration of Black Space Week

		article

			11 mins ago
 Highlights NASA Astronaut Official Portrait Frank Rubio

	5 min read

		Astronauta de la NASA Frank Rubio

		article

			3 hours ago 2021 Astronaut Candidates Stand in Recognition

	6 min read

		Diez maneras en que los estudiantes pueden prepararse para ser astronautas

		article

			3 months ago Astronaut Marcos Berrios

	4 min read

		Astronauta de la NASA Marcos Berríos

		article

			3 months ago


1 min read How Apollo Landed on the Moon


NASA's Flight Opportunities Program
 A colloquium presentation by Dr. Dean Eppler; September 14, 2022   Outline of Dr. Eppler’s presentation (time code) Introduction by Laurie Grindle and introductory remarks by Dr. Eppler and recommended reading (0:00:00)
Basic terminology and acronyms (0:06:53)
Written definitions appear at 0:07:46
Basic approach for landing on the Moon (0:08:05)
Key lunar module systems (0:09:48)
Challenges of the Moon’s surface (0:11:38)
About aborts/abort modes (0:27:37)
Constraints for landing site selection (0:30:35)
How we did the landing (0:32:28)
Why We Did It This Way: A recap of lunar descent and landing (0:49:12)
Audio of Apollo 17 approach and landing (0:52:16)
Conclusions and recommendations: (1:05:09)
​The need for pilots
Lander design
Astronaut aviation experience
Training
Information technology (IT) design
Navigation
Lighting constraints
Q&A (1:11:55)


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 Page Last Updated:
								Sep 22, 2023
							Page Editor:
								Dede Dinius
												Responsible NASA Official:
							Abigail Bowman