Connect with us

Published

on

British billionaire Richard Branson on Sunday soared more than 50 miles above the New Mexico desert aboard his Virgin Galactic rocket plane and safely returned in the vehicle’s first fully crewed test flight to space, a symbolic milestone for a venture he started 17 years ago.

Branson, one of six Virgin Galactic employees strapped in for the ride, touted the mission as a precursor to a new era of space tourism, with the company he founded in 2004 poised to begin commercial operations next year.

“We’re here to make space more accessible to all,” an exuberant Branson, 70, said shortly after embracing his grandchildren following the flight. “Welcome to the dawn of a new space age.”

The success of the flight also gave the flamboyant entrepreneur bragging rights in a highly publicised rivalry with fellow billionaire Jeff Bezos, the Amazon online retail mogul who had hoped to fly into space first aboard his own space company’s rocket.

“Congratulations on the flight,” Bezos said on Instagram. “Can’t wait to join the club!”

Space industry executives, future customers and other well-wishers were on hand for a festive gathering to witness the launch, which was livestreamed in a presentation hosted by late-night television comedian Stephen Colbert. Joining the reception was another billionaire space industry pioneer, Elon Musk, who is also founder of electric carmaker Tesla.

Grammy-nominated R&B singer Khalid performed his forthcoming single “New Normal” after the flight.

The gleaming white spaceplane was carried aloft attached to the underside of the dual-fuselage jet VMS Eve (named for Branson’s late mother) from Spaceport America, a state-owned facility near the aptly named town of Truth or Consequences. Virgin Galactic leases a large section of the facility.

Reaching its high-altitude launch point at about 46,000 feet, the VSS Unity passenger rocket plane was released from the mothership and fell away as the crew ignited its rocket, sending it streaking straight upward at supersonic speed to the blackness of space some 53 miles (86 km) high.

The spaceplane’s contrail was clearly visible from the ground as it soared through the upper atmosphere, to the cheers of the crowd below.

At the apex of the climb with the rocket shut down, the crew then experienced a few minutes of microgravity, before the spaceplane shifted into re-entry mode, and began a gliding descent to a runway back at the spaceport. The entire flight lasted about an hour.

“I was once a child with a dream looking up to the stars. Now I’m an adult in a spaceship looking down to our beautiful Earth,” Branson said in a video from space.

Back at a celebration with supporters from a stage outside Virgin Galactic’s Gateway to Space complex at the spaceport, he and crewmates doused one another with champagne.

Retired Canadian astronaut Chris Hadfield pinned Virgin-produced astronaut wings onto the blue flight suits worn by Branson and his team. Official wing pins from the Federal Aviation Administration will be presented later, a company spokesman said.

High-cost tickets

Virgin Galactic has said it plans at least two further test flights of the spaceplane in the months ahead before beginning regular commercial operation in 2022. One of those flights will carry four Italian astronauts-in-training, according to company CEO Michael Colglazier.

He said 600 wealthy would-be citizen astronauts have also booked reservations, priced at around $250,000 (roughly Rs. 1.86 crores) per ticket for the exhilaration of supersonic flight, weightlessness, and the spectacle of spaceflight.

Branson has said he aims ultimately to lower the price to around $40,000 (roughly Rs. 29.7 lakhs) per seat as the company ramps up service, achieving greater economies of scale. Colglazier said he envisions eventually building a large enough fleet to accommodate roughly 400 flights annually at the spaceport.

The Swiss-based investment bank UBS has estimated the potential value of the space tourism market reaching $3 billion (roughly Rs. 22,340 crores) annually by 2030.

Proving rocket travel safe for the public is key.

An earlier prototype of the Virgin Galactic rocket plane crashed during a test flight over California’s Mojave Desert in 2014, killing one pilot and seriously injuring another.

Space race

Branson’s participation in Sunday’s flight, announced just over a week ago, typified his persona as the daredevil executive whose various Virgin brands – from airlines to music companies – have long been associated with his ocean-crossing exploits in sailboats and hot-air balloons.

His ride-along also upstaged rival astro-tourism venture Blue Origin and its founder, Bezos, in what has been popularised as the “billionaire space race.” Bezos has been planning to fly aboard his own suborbital rocketship, the New Shepard, later this month.

Branson has insisted he and Bezos are friendly rivals and were not racing to beat one another into space.

“We wish Jeff the absolute best and that he will get up and enjoy his flight,” Branson said at a post-flight press conference.

Blue Origin, however, has disparaged Virgin Galactic as falling short of a true spaceflight experience, saying that unlike Unity, Bezos’s New Shepard tops the 62-mile-high-mark (100 km), called the Kármán line, set by an international aeronautics body as defining the boundary between Earth’s atmosphere and space.

“New Shepard was designed to fly above the Kármán line so none of our astronauts have an asterisk next to their name,” Blue Origin said in a series of Twitter posts on Friday.

However, US space agency NASA and the US Air Force both define an astronaut as anyone who has flown higher than 50 miles (80km).

A third player in the space tourism sector, Musk’s SpaceX, plans to send its first all-civilian crew (without Musk) into orbit in September, after having already launched numerous cargo payloads and astronauts to the International Space Station for NASA.

The spaceplane’s two pilots were Dave Mackay and Michael Masucci. The three other mission specialists were Beth Moses, the company’s chief astronaut instructor; Virgin Galactic’s lead operations engineer Colin Bennett; and Sirisha Bandla, a research operations and government affairs vice president.

All recounted afterward being mesmerised by the view through Unity’s windows. Mackay described the immense blackness of space against the brightness of Earth’s surface, “separated by the beautiful blue atmosphere, which is very complex and very thin.”

“Cameras don’t do it justice,” he told reporters. “You have to see it with your own eyes.”

© Thomson Reuters 2021


Continue Reading

Science

NASA Panel to Hold First Public Meeting on UFO Study; Report Expected Soon

Published

on

By

NASA Panel to Hold First Public Meeting on UFO Study; Report Expected Soon

A NASA panel formed last year to study what the government calls “unidentified aerial phenomena,” commonly termed UFOs, was due to hold its first public meeting on Wednesday, ahead of a report expected in coming weeks.

The 16-member body, assembling experts from fields ranging from physics to astrobiology, was formed last June to examine unclassified UFO sightings and other data collected from civilian government and commercial sectors.

The focus of Wednesday’s four-hour public session “is to hold final deliberations before the agency’s independent study team publishes a report this summer,” NASA said in announcing the meeting.

The panel represents the first such inquiry ever conducted under the auspices of the US space agency for a subject the government once consigned to the exclusive and secretive purview of military and national security officials.

The NASA study is separate from a newly formalised Pentagon-based investigation of unidentified aerial phenomena, or UAPs, documented in recent years by military aviators and analysed by US defense and intelligence officials.

The parallel NASA and Pentagon efforts — both undertaken with some semblance of public scrutiny — highlight a turning point for the government after decades spent deflecting, debunking and discrediting sightings of unidentified flying objects, or UFOs, dating back to the 1940s.

The term UFOs, long associated with notions of flying saucers and aliens, has been replaced in government parlance by “UAP.”

While NASA’s science mission was seen by some as promising a more open-minded approach to a topic long treated as taboo by the defense establishment, the US space agency made it known from the start that it was hardly leaping to any conclusions.

“There is no evidence UAPs are extraterrestrial in origin,” NASA said in announcing the panel’s formation last June.

In its more recent statements, the agency presented a new potential wrinkle to the UAP acronym itself, referring to it as an abbreviation for “unidentified anomalous phenomena.” This suggested that sightings other than those that appeared airborne may be included.

Still, NASA in announcing Wednesday’s meeting, said the space agency defines UAPs “as observations of events in the sky that cannot be identified as aircraft or known natural phenomena from a scientific perspective.”

US defense officials have said the Pentagon’s recent push to investigate such sightings has led to hundreds of new reports that are under examination, though most remain categorized as unexplained.

The head of the Pentagon’s newly formed All-domain Anomaly Resolution Office (AARO) has said the existence of intelligent alien life has not been ruled out but that no sighting had produced evidence of extraterrestrial origins.

© Thomson Reuters 2023


Samsung Galaxy A34 5G was recently launched by the company in India alongside the more expensive Galaxy A54 5G smartphone. How does this phone fare against the Nothing Phone 1 and the iQoo Neo 7? We discuss this and more on Orbital, the Gadgets 360 podcast. Orbital is available on Spotify, Gaana, JioSaavn, Google Podcasts, Apple Podcasts, Amazon Music and wherever you get your podcasts.
Affiliate links may be automatically generated – see our ethics statement for details.

Continue Reading

Science

A Third of Milky Way’s Planets Orbiting Most Common Stars Could Harbour Life

Published

on

By

A Third of Milky Way’s Planets Orbiting Most Common Stars Could Harbour Life

One-third of the planets orbiting the most common stars across the Milky Way galaxy may hold onto liquid water and possibly harbour life, according to a study based on latest telescope data.

The most common stars in our galaxy are considerably smaller and cooler, sporting just half the mass of the Sun at most. Billions of planets orbit these common dwarf stars.

The analysis, published in the journal Proceedings of the National Academy of Sciences, shows that two-thirds of the planets around these ubiquitous small stars could be roasted by tidal extremes, sterilising them.

However, that leaves one-third of the planets—hundreds of millions across the galaxy—that could be in a goldilocks orbit close enough, and gentle enough, to be possibly habitable.

“I think this result is really important for the next decade of exoplanet research, because eyes are shifting towards this population of stars,” said Sheila Sagear, a doctoral student at the University of Florida (UF) in the US.

“These stars are excellent targets to look for small planets in an orbit where it’s conceivable that water might be liquid and therefore the planet might be habitable,” Sagear said in a statement.

Sagear and UF astronomy professor Sarah Ballard measured the eccentricity of a sample of more than 150 planets around M dwarf stars, which are about the size of Jupiter.

The more oval shaped an orbit, the more eccentric it is. If a planet orbits close enough to its star, at about the distance that Mercury orbits the Sun, an eccentric orbit can subject it to a process known as tidal heating.

As the planet is stretched and deformed by changing gravitational forces on its irregular orbit, friction heats it up. At the extreme end, this could bake the planet, removing all chance for liquid water.

“It’s only for these small stars that the zone of habitability is close enough for these tidal forces to be relevant,” Ballard said.

The researchers used data from NASA’s Kepler telescope, which captures information about exoplanets as they move in front of their host stars.

To measure the planets’ orbits, they focused especially on how long the planets took to move across the face of the stars. Their study also relied on new data from the Gaia telescope, which has measured the distance to billions of stars in the galaxy.

“The distance is really the key piece of information we were missing before that allows us to do this analysis now,” Sagear said.

The team found that stars with multiple planets were the most likely to have the kind of circular orbits that allow them to retain liquid water.

Stars with only one planet were the most likely to see tidal extremes that would sterilise the surface, according to the researchers.

Since one-third of the planets in this small sample had gentle enough orbits to potentially host liquid water, that likely means that the Milky Way has hundreds of millions of promising targets to probe for signs of life outside our solar system, they added.


Samsung Galaxy A34 5G was recently launched by the company in India alongside the more expensive Galaxy A54 5G smartphone. How does this phone fare against the Nothing Phone 1 and the iQoo Neo 7? We discuss this and more on Orbital, the Gadgets 360 podcast. Orbital is available on Spotify, Gaana, JioSaavn, Google Podcasts, Apple Podcasts, Amazon Music and wherever you get your podcasts.
Affiliate links may be automatically generated – see our ethics statement for details.

Continue Reading

Science

This Low-Cost Clip Uses Smartphone Camera, Flash to Monitor Blood Pressure

Published

on

By

This Low-Cost Clip Uses Smartphone Camera, Flash to Monitor Blood Pressure

Scientists have developed a simple, low-cost clip that uses a smartphone’s camera and flash to monitor blood pressure at the user’s fingertip. The clip developed by researchers at the University of California (UC) San Diego, US, works with a custom smartphone app and currently costs about 80 cents (Rs. 5.6) to make.

The researchers estimate that the cost could be as low as 10 cents (Rs. 0.7) apiece when manufactured at scale.

The technology, described in the journal Scientific Reports, could help make regular blood pressure monitoring easy, affordable and accessible to people in resource-poor communities, they said.

It could benefit older adults and pregnant women, for example, in managing conditions such as hypertension, according to the researchers.

“We have created an inexpensive solution to lower the barrier to blood pressure monitoring,” said study first author Yinan Xuan, a Ph.D. student at UC San Diego.

“Because of their low cost, these clips could be handed out to anyone who needs them but cannot go to a clinic regularly,” said study senior author Edward Wang, a professor at UC San Diego and director of the Digital Health Lab.

Another key advantage of the clip is that it does not need to be calibrated to a cuff, the researchers said.

“This is what distinguishes our device from other blood pressure monitors,” said Wang.

Other cuffless systems being developed for smartwatches and smartphones, he explained, require obtaining a separate set of measurements with a cuff so that their models can be tuned to fit these measurements.

“Our is a calibration-free system, meaning you can just use our device without touching another blood pressure monitor to get a trustworthy blood pressure reading,” Wang said.

To measure blood pressure, the user simply presses on the clip with a fingertip. A custom smartphone app guides the user on how hard and long to press during the measurement.

The clip is a 3D-printed plastic attachment that fits over a smartphone’s camera and flash. It features an optical design similar to that of a pinhole camera. When the user presses on the clip, the smartphone’s flash lights up the fingertip.

That light is then projected through a pinhole-sized channel to the camera as an image of a red circle. A spring inside the clip allows the user to press with different levels of force.

The harder the user presses, the bigger the red circle appears on the camera.

The smartphone app extracts two main pieces of information from the red circle. By looking at the size of the circle, the app can measure the amount of pressure that the user’s fingertip applies.

By looking at the brightness of the circle, the app can measure the volume of blood going in and out of the fingertip.

An algorithm converts this information into systolic and diastolic blood pressure readings.

The researchers tested the clip on 24 volunteers from the UC San Diego Medical Center. Results were comparable to those taken by a blood pressure cuff.

“Using a standard blood pressure cuff can be awkward to put on correctly, and this solution has the potential to make it easier for older adults to self-monitor blood pressure,” said study co-author Alison Moore, from UC San Diego School of Medicine.


Samsung Galaxy A34 5G was recently launched by the company in India alongside the more expensive Galaxy A54 5G smartphone. How does this phone fare against the Nothing Phone 1 and the iQoo Neo 7? We discuss this and more on Orbital, the Gadgets 360 podcast. Orbital is available on Spotify, Gaana, JioSaavn, Google Podcasts, Apple Podcasts, Amazon Music and wherever you get your podcasts.
Affiliate links may be automatically generated – see our ethics statement for details.

Continue Reading

Trending