Connect with us

Science

Artemis 1: In 100 Days NASA’s Long-Awaited Moon Mission Could Blast-Off. Here’s Everything You Need To Know – Forbes

Published

 on


NASA is committed to landing the first woman and the first person of color on the Moon in 2024—or thereabouts—as part of the Artemis-3 mission.

But first will come Artemis-1.

Spaceflight Now reports that NASA is now saying February 12, 2022 is the soonest the un-crewed autonomous Artemis-1 mission could launch.

That comes in the wake of NASA’s reveal last week that its Orion spacecraft is now secured atop the agency’s 322-foot-tall Space Launch System rocket, so in position for the Artemis-1 launch.

What is Artemis-1?

Artemis-1 is an un-crewed flight test mission during which NASA’s Orion spacecraft, European Service Model (ESM) and NASA’s Space Launch System (SLS)—the most powerful rocket in the world—will fly to the Moon.

Launching from Pad 39B at NASA’s Kennedy Space Center, the as-yet-unflown spacecraft and rocket will launch, orbit the Earth, and then send Orion and the ESM to enter an elliptical orbit of the Moon that will see them get to within 62 miles above its surface and about 40,000 miles beyond it.

That’s farther than any spacecraft built for humans has ever flown.

The mission will last about three weeks with the Orion capsule splashing down of Baja, California just after ditching the ESM.

What comes next for Artemis-1?

The exact date of the launch of Artemis-1 depends on the success of a fueling test on the launch pad in January 2021.

Taking place several weeks before the actual launch, that so-called “Wet Dress Rehearsal Testing” demonstrates the ability to load cryogenic propellants into the rocket at the launch pad. The test also involves practicing the launch countdown and the team’s ability to scrub a launch and safely remove the propellants.

When will Artemis-1 launch?

Although February 12, 2022 is the earliest date it’s also being reported that it could take place any date up to February 27, 2022.

The second window opens March 12 through March 27 , 2022 and a third opens April 8 through April 23, 2022.

What is Artemis-2?

The first crewed lunar flyby of the 21st century, Artemis-2 will be a repeat of Artemis-1, but with four astronauts on board to test Orion’s life support systems. The shorter 10-day mission will begin with launch and two orbits of the Earth before it moves into a highly elliptical orbit.

translunar injection comes 24 hours later. The crew will experience a brief total eclipse of the Sun as the Moon passes between them before traveling 4,600 miles beyond the far side of the Moon. After a free trajectory return to Earth they will splashdown in the Pacific Ocean.

What is Artemis-3?

A 30 day mission will see Orion—with four astronauts inside—rendezvous with an embryonic Lunar Orbital Platform-Gateway, before one female astronaut and one male astronaut descend in a SpaceX Starship vehicle to the lunar surface close to Shackleton Crater at the Moon’s South Pole. The mission will involve four spacewalks in 6.5 days.

It will be the first time astronauts have landed on the lunar surface since the Apollo 17 left the Moon in December, 1972.

The astronauts for Artemis-3 will be selected in 2022.

Further Artemis missions each year through 2030 will help build the Lunar Gateway’s habitation module and descend a further three times to the surface of the Moon.

Wishing you clear skies and wide eyes.

Adblock test (Why?)



Source link

Continue Reading

Science

Scientists observe total solar eclipse in Antarctica – Global Times

Published

 on



Scientists from the Chilean Union Glacier Station observe a total solar eclipse in Antarctica, Dec. 4, 2021.Photo:Xinhua

 
Scientists from the Chilean Union Glacier Station observe a total solar eclipse in Antarctica, Dec. 4, 2021.Photo:Xinhua

Scientists from the Chilean Union Glacier Station observe a total solar eclipse in Antarctica, Dec. 4, 2021.Photo:Xinhua

 

Scientists from the Chilean Union Glacier Station observe a total solar eclipse in Antarctica, Dec. 4, 2021.Photo:Xinhua

Scientists from the Chilean Union Glacier Station observe a total solar eclipse in Antarctica, Dec. 4, 2021.Photo:Xinhua

 

Photo taken from Chilean Union Glacier Station in Antarctica on Dec. 4, 2021 shows a total solar eclipse.Photo:Xinhua

Photo taken from Chilean Union Glacier Station in Antarctica on Dec. 4, 2021 shows a total solar eclipse.Photo:Xinhua

 

Adblock test (Why?)



Source link

Continue Reading

Science

Dinosaur Tail Found In Chile Could Point To Discovery Of New Species – NDTV

Published

 on



<!–

–>

Paleontologists have discovered 80 percent of the dinosaur’s skeleton.

Santiago:

Chilean paleontologists on Wednesday presented their findings on a dinosaur discovered three years ago in Patagonia which they said had a highly unusual tail that has stumped researchers.

The remains of the Stegouros elengassen were discovered during excavations in 2018 at Cerro Guido, a site known to harbor numerous fossils, by a team who believed they were dealing with an already known species of dinosaur until they examined its tail.

“That was the main surprise,” said Alexander Vargas, one of the paleontologists. “This structure is absolutely amazing.”

“The tail was covered with seven pairs of osteoderms … producing a weapon absolutely different from anything we know in any dinosaur,” added the researcher during a presentation of the discovery at the University of Chile.

The osteoderms — structures of bony plaques located in the dermal layers of the skin – were aligned on either side of the tail, making it resemble a large fern.

Paleontologists have discovered 80 percent of the dinosaur’s skeleton and estimate that the animal lived in the area 71 to 74.9 million years ago. It was about two meters (almost seven feet) long, weighed 150 kilograms (330 pounds) and was a herbivore.

According to the scientists, who published their research in the journal Nature, the animal could represent a hitherto unknown lineage of armored dinosaur never seen in the southern hemisphere but already identified in the northern part of the continent.

“We don’t know why (the tail) evolved. We do know that within armored dinosaur groups there seems to be a tendency to independently develop different osteoderm-based defense mechanisms,” said Sergio Soto, another member of the team.

The Cerro Guido area, in the Las Chinas valley 3,000 km (1,800 miles) south of Santiago, stretches for 15 kilometers. Various rock outcrops contain numerous fossils.

The finds there allowed the scientists to surmise that present-day America and Antarctica were close to each other millions of years ago.

“There is strong evidence that there is a biogeographic link with other parts of the planet, in this case Antarctica and Australia, because we have two armored dinosaurs there closely related” to the Stegouros, said Soto.

(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)

Adblock test (Why?)



Source link

Continue Reading

Science

Chinese Rover Exploring What Appears to Be Cube-Shaped Object on Moon – Futurism

Published

 on


There’s a Moon cube now! At least, it looks that way based on some intriguing photos from the Chinese lunar rover Yutu-2, released by the country’s space agency this week.

The photos show a distant object that looks like a perfect cube, and China say the rover is headed to check it out.

It’s worth worth noting a few caveats about the photo, spotted yesterday by space journalist Andrew Jones, who described the formation as a “cubic shape.” For one thing, the object is just a few pixels in the photo, meaning it could easily be some sort of optical illusion that’ll be a disappointment up close.

And China has struggled with lunar science communication in the past. In 2019, Yutu-2 “discovered” a “gel-like substance” on the lunar surface, but upon closer inspection it turned out to be, well, rocks. It also trumpeted the discover of a “shard” on the Moon earlier this year, but that turned out to just be another interesting rock. Did we mention that there’s not a lot other than rocks on the Moon?

Advertisement

Jones, for his part, is managing expectations.

“So yeah, it’s not an obelisk or aliens, but certainly something to check out,” Jones tweeted in followup.

The idea of alien artifacts on the Moon runs deep in popular culture — remember that one scene in “2001: A Space Odyssey”? — but, needless to say, none have been found in reality.

The apparent cube sits in the Von Kármán crater, and China’s space program has been dubbed it, evocatively, the “mystery house.”

Advertisement

Yutu-2 will spend two or three lunar days traveling to investigate the cube; lunar days are about 50 minutes longer than solar days on Earth.

Jones speculated that the object could be a boulder carved out by an asteroid impact, and posted a photo of a similarly sharply defined boulder found previously on the Moon’s surface.

CNET’s coverage of the most recent discovery agrees with Jones’ analysis, saying the most likely explanation is that the Moon cube is a boulder.

That’s not to say Yutu-2 hasn’t ever found anything cool. In 2019, CNET reported the rover discovered that the Moon’s surface was made of different materials than we previously thought, a discovery that could better predict how Earth’s internal layers might change over time.

Advertisement

We’re not saying there isn’t weird stuff on the Moon. After all, we just recently found enough buried oxygen under its surface to sustain billions of people. But suffice it to say we aren’t holding our breath over Moon cube, and if it turns out to be anything other than a rock we’ll be really impressed.

More on space: Scientists Discover Enormous Black Hole Right Near Our Galaxy

Care about supporting clean energy adoption? Find out how much money (and planet!) you could save by switching to solar power at UnderstandSolar.com. By signing up through this link, Futurism.com may receive a small commission.

Share This Article

Adblock test (Why?)



Source link

Continue Reading

Trending