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nasa · 1 year

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Rockets, Racecars, and the Physics of Going Fast

When our Space Launch System (SLS) rocket launches the Artemis missions to the Moon, it can have a top speed of more than six miles per second. Rockets and racecars are designed with speed in mind to accomplish their missions—but there’s more to speed than just engines and fuel. Learn more about the physics of going fast:

Take a look under the hood, so to speak, of our SLS mega Moon rocket and you’ll find that each of its four RS-25 engines have high-pressure turbopumps that generate a combined 94,400 horsepower per engine. All that horsepower creates more than 2 million pounds of thrust to help launch our four Artemis astronauts inside the Orion spacecraft beyond Earth orbit and onward to the Moon. How does that horsepower compare to a racecar? World champion racecars can generate more than 1,000 horsepower as they speed around the track.

As these vehicles start their engines, a series of special machinery is moving and grooving inside those engines. Turbo engines in racecars work at up to 15,000 rotations per minute, aka rpm. The turbopumps on the RS-25 engines rotate at a staggering 37,000 rpm. SLS’s RS-25 engines will burn for approximately eight minutes, while racecar engines generally run for 1 ½-3 hours during a race.

To use that power effectively, both rockets and racecars are designed to slice through the air as efficiently as possible.

While rockets want to eliminate as much drag as possible, racecars carefully use the air they’re slicing through to keep them pinned to the track and speed around corners faster. This phenomenon is called downforce.

Steering these mighty machines is a delicate process that involves complex mechanics.

Most racecars use a rack-and-pinion system to convert the turn of a steering wheel to precisely point the front tires in the right direction. While SLS doesn’t have a steering wheel, its powerful engines and solid rocket boosters do have nozzles that gimbal, or move, to better direct the force of the thrust during launch and flight.

Racecar drivers and astronauts are laser focused, keeping their sights set on the destination. Pit crews and launch control teams both analyze data from numerous sensors and computers to guide them to the finish line. In the case of our mighty SLS rocket, its 212-foot-tall core stage has nearly 1,000 sensors to help fly, track, and guide the rocket on the right trajectory and at the right speed. That same data is relayed to launch teams on the ground in real time. Like SLS, world-champion racecars use hundreds of sensors to help drivers and teams manage the race and perform at peak levels.

Knowing how to best use, manage, and battle the physics of going fast, is critical in that final lap. You can learn more about rockets and racecars here.

Make sure to follow us on Tumblr for your regular dose of space!

#NASA #Artemis #Moon #Space Launch System #rocket science #space #exploration #Moon 2024 #rocket testing #racecar #tech #technology #motorsport

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camping-with-monsters · 17 days

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For those of you who weren’t able to get 100% of the total solar eclipse today… I gotchu <3

#THE MOON WAS OVER THE SUN THE MOON WAS OVER THE SU #we were in the 100% area like I just casually live here lmao #april 8th eclipse #total solar eclipse #solar eclipse #2024 eclipse #April #photos #eclipse photos #eclipse #2024 solar eclipse

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kwistowee · 17 days

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TOTAL SOLAR ECLIPSE l APRIL 2024

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without-ado · 16 days

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Solar Eclipse & friends (x)(x)(x)(x)(x)(x)

#solar eclipse #dogs #cats #total solar eclipse #2024 #cute animals #crescent shadows #sky #sun #moon #planets #earth #solar system #space #photography #photos #animals #solar eclipse phenomenon

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rodrickheffeley · 3 months

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oscars been around since 1929 and first native best actress nomination being in 2024 is crazy

#lily gladstone #oscars 2024 #oscars #killers of the flower moon

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spacewonder19 · 15 days

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Solar Eclipse Diamond Ring 2024 © Michael Cain

#solar eclipse #2024 #total solar eclipse #astrophotography #space #universe #sky #stars #planet #sun #moon #astronomy #nasa #cosmos #galaxy

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karlrincon · 17 days

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This is how Eclipse Solar 2024 is looking from space. 🔭🌘

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starfall-xo · 2 months

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2024 Academy Awards Best Picture Nominees as VHS tapes by @ShawnMansfield

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daily-spooky · 19 days

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breelandwalker · 4 months

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2024 Witches' Calendar

For all my witches out there, here's a handy list of the 2024 dates for the solstices, quarter days, full and new moons, and special events. I've listed my sources at the bottom.

Dates and times for all events are calculated for Eastern Standard Time, USA, Northern Hemisphere. Adjust for your location as needed and check the DarkSky Placefinder to see what special events will be visible in your area. Enjoy!

Solstices, Harvests, and Quarter Days

February 1-2 - Imbolc / Candlemas

March 19 - Spring Equinox / Ostara

April 30-May 1 - Beltane / May Day

June 20 - Summer Solstice / Midsummer / Litha

August 1 - Lughnasadh / Lammas / Summer Harvest

September 22 - Autumn Equinox / Mabon / Fall Harvest

October 31 - Samhain / Halloween / Final Harvest

December 21 - Winter Solstice / Yule

Full Moons

January 25 - Wolf Moon ♌

February 24 - Snow Moon ♍

March 25 - Worm Moon ♎

April 23 - Pink Moon ♏

May 23 - Flower Moon ♐

June 21 - Strawberry Moon ♑

July 21 - Thunder Moon (aka Buck Moon) ♑

August 19 - Sturgeon Moon* ♒

September 17 - Harvest Moon* ♓

October 17 - Hunter's Moon (aka Blood Moon)* ♈

November 15 - Frost Moon (or Beaver Moon)* ♉

December 15 - Cold Moon ♊

*- Supermoon

Fun Fact: The title of Harvest Moon is given to either the September or October full moon, whichever falls closest to the autumn equinox. Once again this year, that month will be September.

New Moons

January 11 ♑

February 9 ♒

March 10 ♓

April 8 ♈

May 7 ♉

June 6 ♊

July 5 ♋

August 4 ♌

September 2 ♍

October 2 ♎

November 1 ♏

December 1 ♐

December 30 (black moon) ♑

Special Celestial Events

January 3-4 - Quadrantids meteor shower peak

March 25 - Penumbral Lunar Eclipse

April 8 - Total solar eclipse

April 22-23 - Lyrids meteor shower peak

May 6-7 - Eta Aquarids meteor shower peak

August 11-13 - Perseids meteor shower peak

August 19 - Sturgeon Supermoon / Seasonal Blue Moon

September 17 - Harvest Supermoon / Penumbral Lunar Eclipse

October 2 - "Ring of Fire" solar eclipse

October 17 - Hunter's Supermoon

October 21-22 - Orionids meteor shower peak

November 15 - Frost Supermoon

November 16-17 - Leonids meteor shower peak

December 13-14 - Geminids meteor shower peak

December 30 - Black Moon

(Check the DarkSky Placefinder to see what will be visible in your area!)

Mercury Retrogrades (in case you need them)

April 1 - April 24

August 4 - August 27

November 25 - December 15

Happy Witching!

SOURCES & FURTHER READING:

Bree's Lunar Calendar Series

Bree's Secular Celebrations Series

Moon Info - Full Moon Dates for 2024

Calendar-12 - 2024 Moon Phases

Full Moonology - 2024 Full Moon Calendar

AstroStyle - All the 2024 Full Moons

Your Zodiac Sign - Astrology Calendar 2024

Old Farmer's Almanac - Mercury Retrograde Dates 2023-2024

Lonely Planet - Best Star-gazing Events of 2024

Sea and Sky - Astronomy Calendar of Celestial Events 2024

DarkSky International - Dark Sky Placefinder for Stargazing

Pagan Grimoire - Wheel of the Year: The 8 Festivals in the Wiccan Calendar (2024 Edition)

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If you're enjoying my content, please feel free to drop a little something in the tip jar or check out my published works on Amazon or in the Willow Wings Witch Shop. 😊

EDIT: Mercury is stationed direct on Jan 1st, 2024. The source I used which stated it was in retrograde until the 18th had a typo.

EDIT: Fixed the zodiac signs for the full moons using a new source.

#witchcraft #witchblr #pagan #calendar #2024 #full moon #new moon #lunar magic #astrology #mercury retrograde #WOTY #holidays

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halloween-sweets · 1 month

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nasa · 2 years

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NASA Photographers Share Their Favorite Photos of the SLS Moon Rocket

NASA’s Space Launch System (SLS) rocket is on the launch pad at NASA’s Kennedy Space Center in Florida and in final preparations for the Artemis I mission to the Moon. Now that our Moon rocket is almost ready for its debut flight, we wanted to take a look back at some of the most liked photographs of our SLS rocket coming together over the years.

We asked NASA photographers to share their favorite photos of the SLS rocket for Artemis I at different phases of testing, manufacturing, and assembly. Here are their stories behind the photos:

“On this day in March 2018, crews at NASA’s Marshall Space Flight Center in Huntsville, Alabama, transported the intertank structural test article off NASA’s Pegasus barge to the Load Test Annex test facility for qualification testing.” —Emmett Given, photographer, NASA’s Marshall Space Flight Center

“This is the liquid oxygen tank structural test article as it was moved from the Pegasus barge to the West Test Area at our Marshall Space Flight Center on July 9, 2019. The tank, which is structurally identical to its flight version, was subsequently placed in the test stand for structural testing several days later. I remember it being a blazing hot day!” —Fred Deaton, photographer, NASA’s Marshall Space Flight Center

“The large components of the SLS rocket’s core stage can make you forget that there are many hands-on tasks required to assemble a rocket, too. During the mating of the liquid hydrogen tank to the forward section of the rocket’s 212-foot-tall core stage in May 2019, technicians fastened 360 bolts to the circumference of the rocket. Images like this remind me of all the small parts that have to be installed with care, expertise, and precision to create one huge Moon rocket. Getting in close to capture the teammates that work tirelessly to make Artemis a success is one of the best parts of my job.” —Eric Bordelon, photographer, NASA’s Michoud Assembly Facility

“An incredible amount of precision goes into building a rocket, including making sure that each of our SLS rocket’s four RS-25 engines is aligned and integrated into the core stage correctly. In this image from October 2019, I attempted to illustrate the teamwork and communication happening as technicians at NASA’s Michoud Assembly Facility in New Orleans do their part to help land the first woman and the first person of color on the Moon through the Artemis missions. It’s rare to see the inside of a rocket – not as much for the NASA and Boeing engineers who manufacture and assemble a rocket stage!” —Jared Lyons, photographer, NASA’s Michoud Assembly Facility

“When the fully assembled and completed core stage left the Michoud factory in January 2020, employees took a “family photo” to mark the moment. Crews transported the flight hardware to NASA’s Pegasus barge on Jan. 8 in preparation for the core stage Green Run test series at NASA’s Stennis Space Center near Bay St. Louis, Mississippi. When I look at this photo, I am reminded of all of the hard work and countless hours the Michoud team put forth to build this next-generation Moon rocket. I am honored to be part of this family and to photograph historic moments like this for the Artemis program.” —Steven Seipel, MAF multimedia team lead, NASA’s Michoud Assembly Facility

“This photo shows workers at Stennis prepare to lift the SLS core stage into the B-2 Test Stand for the SLS Green Run test series in the early morning hours of Jan. 22, 2020. I started shooting the lift operation around midnight. During a break in the action at about 5:30 a.m., I was driving my government vehicle to the SSC gas station to fuel up, when I saw the first light breaking in the East and knew it was going to be a nice sunrise. I turned around and hurried back to the test stand, sweating that I might run out of gas. Luckily, I didn’t run out and was lucky enough to catch a beautiful Mississippi sunrise in the background, too.” —Danny Nowlin, photographer, NASA’s Stennis Space Center

“I like the symmetry in the video as it pushes toward the launch vehicle stage adapter. Teams at NASA’s Marshall Space Flight Center in Huntsville, Alabama, loaded the cone-shaped piece of flight hardware onto our Pegasus barge in July 2020 for delivery to NASA’s Kennedy Space Center in Florida. The one-point perspective puts the launch vehicle stage adapter at the center of attention, but, if you pay attention to the edges, you can see people working. It gives a sense of scale. This was the first time I got to walk around Pegasus and meet the crew that transport the deep space rocket hardware, too.” —Sam Lott, videographer, SLS Program at Marshall Space Flight Center

“This was my first time photographing a test at our Stennis Space Center, and I wasn't sure what to expect. I have photographed big events like professional football games, but I wasn't prepared for the awesome power unleashed by the Space Launch System’s core stage and four RS-25 engines during the Green Run hot fire test. Watching the sound wave ripple across the tall grass toward us, feeling the shock wave of ignition throughout my whole body, seeing the smoke curling up into the blue sky with rainbows hanging from the plume; all of it was as unforgettable as watching a football player hoist a trophy into the air.” —Michael DeMocker, photographer, NASA’s Michoud Assembly Facility

“When our SLS Moon rocket launches the agency’s Artemis I mission to the Moon, 10 CubeSats, or small satellites, are hitching a ride inside the rocket’s Orion stage adapter (OSA). BioSentinel is one of those CubeSats. BioSentinel’s microfluidics card, designed at NASA’s Ames Research Center in California’s Silicon Valley, will be used to study the impact of interplanetary space radiation on yeast. To me, this photo is a great combination of the scientific importance of Artemis I and the human touch of more than 100 engineers and scientists who have dedicated themselves to the mission over the years.” —Dominic Hart, photographer, NASA’s Ames Research Center

“I was in the employee viewing area at Kennedy when the integrated SLS rocket and Orion spacecraft was rolled out to the launchpad for its wet dress rehearsal in March 2022. I really like this photo because the sun is shining on Artemis I like a spotlight. The giant doors of the Vehicle Assembly Building are the red curtain that opened up the stage -- and the spotlight is striking the SLS because it’s the star of the show making its way to the launchpad. I remember thinking how cool that NASA Worm logo looked as well, so I wanted to capture that. It was so big that I had to turn my camera sideways because the lens I had wasn’t big enough to capture the whole thing.” —Brandon Hancock, videographer, SLS Program at NASA’s Marshall Space Flight Center

“I made this image while SLS and Orion atop the mobile launcher were nearing the end of their four-mile trek to the pad on crawler-transporter 2 ahead of launch. Small groups of employees were filtering in and out of the parking lot by the pad gate to take in the sight of the rocket’s arrival. The “We Are Going!” banner affixed to the gate in the foreground bears the handwritten names of agency employees and contractors who have worked to get the rocket and spacecraft ready for the Artemis I flight test. As we enter the final days before launch, I am proud to have made my small contribution to documenting the historic rollout for this launch to the Moon.” —Joel Kowsky, photographer, NASA Headquarters

More Photo-worthy Moments to Come!

NASA photographers will be on the ground covering the Artemis I launch. As they do, we’ll continue to share their photos on our official NASA channels.

Make sure to follow us on Tumblr for your regular dose of space!

#NASA #Artemis #Moon #Space Launch System #rocket science #space #exploration #Moon 2024 #science #technology #tech #photography #photographers on Tumblr #original photographers

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emlan · 2 months

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Mountain Shaper and Moon Carver accidentally ordered a cutesy couples sundae. They both ended up enjoying it and had a good time in general. ~fin~

#genshin impact #mountain shaper #moon carver #jiehu #houzhang #lantern rite 2024 #food

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wyervan · 16 days

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(respectfully) viewing the eclipse with my neato (NASA APPROVED 2024 SOLAR ECLIPSE GLASSES SAFE VIEWING CE ISO SCP CERTIFIED BLACKOUT SHADES ASTRO AMATEUR EXTRAORDINAIRE 10 PACK SHIPS TOMORROW) shades

stills under the cut

#art #drawing #sketch #digital art #painting #eclipse #eclipse 2024 #solar eclipse #fnaf #five nights at freddy's #sun fnaf #moon fnaf #eclipse fnaf #fnaf fanart #fanart #dca fnaf #procreate #digital sketch #dca

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without-ado · 2 months

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Full Snow Moon l Andrew McCarthy

#snow moon #full moon #february #space #astrophotography #astronomy #stars #night #galaxy #sky #universe #planets #solar system #moon #2024

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rodrickheffeley · 3 months

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Lily Gladstone future Oscar winner we fucking love you

#lily Gladstone #killer of the flower moon #oscars 2024 #oscars #academy awards

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