International

Learn about seven important NASA discoveries

Photo: NASA

October 15 |

As part of the commemoration of the discovery of the exoplanet Kepler 452-b, by the National Aeronautics and Space Administration (NASA) of the United States (U.S.), this Sunday is worth knowing seven important discoveries of this U.S. agency in recent years.

The cosmic body identified by the Kepler telescope, to which it owes its name, was confirmed by NASA on July 23, 2015.

Kepler-452b is an exoplanet, a planet revolving around a star other than the Sun, which in this case is a G2-type yellow dwarf, which is known as Kepler-452.

The agency responsible for the civil space program, as well as for aeronautical and aerospace research, since its foundation in 1958 has developed space exploration and science projects, which have led to relevant discoveries in several aspects.

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1) The study of twins
In April 2019 NASA published the controversial results of an investigation known as the Twins Study.

A set of ten teams of researchers from the United States (U.S.) set out to observe the changes that might occur to a human being when exposed to the risk of traveling into space for a year.

The scientists compared a wide range of samples and measurements from identical twin brothers, retired astronauts Scott Kelly and Mark Kelly. Scott was sent into space, while Mark remained on Earth.

One of the results revealed the lengthening of the space-bound twin’s telomeres, special features at the ends of each strand of DNA that generally shorten with age, which demonstrated how a human body can adapt to a variety of changes generated by the environment of outer space flight.

2) Observing the Earth from space
There are a wide variety of scientific studies based on images that NASA crew members take using Crew Earth Observations (CEO).

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NASA’s orbiting space station carries its crew and cameras over different points on Earth at different times and the station revisits the sites at varying intervals, allowing images of many areas to be collected at different times of the day and night.

In this way experts discovered that artificial lighting at night affects the behavior of urban wildlife, according to a study of light levels in the city of Chicago that was based on images taken by astronauts from the International Space Station (ISS).

3) A revealing microscope
A miniaturized fluorescence microscope made it possible to observe changes in living cells in microgravity.

This microscope enables real-time analysis of cell behavior during long-duration spaceflight. Its rapid imaging capability allows monitoring of cellular and molecular reactions that can happen more rapidly in altered gravity environments.

The implementation of real-time analysis methods on the station furthers the understanding of how cells in the human body react and adapt to the space environment.

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4) The universe in better resolution
NASA’s Neutron Star Interior Composition Explorer (Nicer) facilitates measurements with excellent precision of neutron stars, objects containing ultra-dense matter at the threshold of black hole collapse.

In early 2018 JAXA’s All-Sky X-ray Imaging Monitor (MAXI) captured a new transient X-ray source in the sky designated MAXI J1820 + 070.

Nicer began monitoring the source and discovered that it was a binary black hole system with a mass much larger than that of the Sun. In addition, recorded measurements have revealed how the inner edge of a black hole’s accretion disk (and the corona above it) vary in size and shape as a black hole consumes material from a companion star.

5) Spaceflight decreases crew performance on Earth.
Astronauts’ bodies adapt to microgravity while in space. When crew members return to Earth, they show significant decreases in manual dexterity, multitasking, motion perception, and the ability to operate a vehicle.

NASA researchers confirmed that the post-flight performance decline was related to spaceflight factors and not to other factors such as lack of practice or sleep.

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6) Cement in space
Another discovery confirmed by NASA suggests the possibility of building places to live on the Moon or Mars.

It is a research called Microgravity Investigation of Cement Solidification (MICS), which reveals that samples processed in space show considerable changes in the microstructure of cement compared to those processed on Earth, such as increased porosity, or the presence of more open spaces.

Showing that cement can harden in space is of great importance for future lunar constructions.

7) Keep it clean
New materials are needed to slow the growth and spread of bacteria resistant to antibiotics and silver coatings, according to research called Biorisk-KM-Metally, conducted by the Russian space agency (Roscosmos) and confirmed by NASA.

The researchers conducted tests on an antimicrobial coating called AGXX® and compared it with silver and stainless steel coatings. For the study, crew members placed 12 plates on the space station’s toilet door, with one plate coated in each tested material to be collected at six, 12 and 19 months.

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In all time lapses, the experts found that the AGXX® coating had significantly fewer bacteria than surfaces coated with silver and stainless steel. These data are useful for the development of ideal technologies to reduce the risk of biological damage to space hardware and equipment.

International

Bolivia Orders Three Investigations Into Deadly Military Plane Crash

Bolivia’s Defense Minister Marcelo Salinas announced Monday that three separate investigations will be conducted into Friday’s crash of a military cargo aircraft at El Alto International Airport, near La Paz, which left at least 22 people dead.

The Hercules aircraft, operated by the Fuerza Aérea Boliviana (FAB), was transporting cash intended for the Central Bank of Bolivia when it overshot the runway after landing from the city of Santa Cruz. The plane reportedly traveled nearly one kilometer beyond the airport perimeter.

The incident sparked chaotic scenes, with individuals attempting to collect scattered banknotes. Authorities detained 51 people in the aftermath, and the government declared three days of national mourning.

Multiple Investigations Underway

The first inquiry is being led by a military board from the Bolivian Air Force, which has already taken custody of the aircraft’s black box for analysis.

Minister Salinas said two additional investigations will follow — one conducted by the insurance company and another by the aircraft’s manufacturer.

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“At least two more investigations will come, that of the insurance company and that of the aircraft manufacturer,” Salinas said during a press conference in Santa Cruz.

He cautioned that the investigative process could take between three and six months, noting that the black box cannot be opened in Bolivia due to the lack of specialized laboratories for analysis.

Awaiting Official Findings

Salinas stressed that the FAB investigative board is the highest authority in the case and urged the public to wait for its conclusions to avoid speculation about the causes of the crash.

He also confirmed that the government has contacted the families of the 22 victims and the 37 injured, as well as the owners of 15 damaged vehicles, to coordinate procedures with the insurer and cover the corresponding expenses.

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International

Mexico Calls for Immediate Probe After National Dies in ICE Custody

Mexico’s Secretaría de Relaciones Exteriores (SRE) on Monday called on U.S. authorities to conduct an “immediate and thorough” investigation into the death of a Mexican national while in custody of U.S. Immigration and Customs Enforcement (ICE) at a processing facility in California.

In a statement, the Mexican government described the death as “regrettable” and urged U.S. officials to clarify the circumstances surrounding the case in order to “determine responsibilities and ensure that such events do not happen again.”

Death at Adelanto Processing Center

According to available information, the Mexican citizen died at the Adelanto Processing Center in California while under ICE custody. Authorities have not yet released the individual’s identity or the cause of death.

Following the incident, Mexico’s Foreign Ministry formally requested “detailed information” from U.S. authorities, including the detainee’s medical records and custody reports.

Consular Assistance Activated

The Mexican Consulate in San Bernardino, California, has activated consular assistance protocols to provide ongoing support to the deceased’s family. Officials have contacted relatives to express condolences and offer legal guidance, as well as assistance with the necessary procedures to repatriate the remains.

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“The handling of situations like this and the establishment of mechanisms to resolve them are priorities for the Government of Mexico,” the Foreign Ministry said, adding that it will formally request an investigation into any systemic conditions that may have contributed to such incidents.

Local Mexican media reported that seven Mexican nationals died while in ICE detention last year — the highest number recorded since the agency was created.

International

Anti-ICE Billboard Campaign Targets Immigration Spending in 31 U.S. Cities

More than 200 billboards criticizing U.S. Immigration and Customs Enforcement (ICE) began appearing Monday in 31 cities across the United States, including Miami, as part of a campaign highlighting the high cost of immigration enforcement operations for taxpayers.

The initiative, titled “ICE Costs Us,” was launched by the civil rights organization Mijente and will run for four weeks.

Criticism of Spending and Enforcement Tactics

The billboards feature images of ICE agents during arrests or carrying military-style weapons. According to the organization, spending on military-grade equipment for the agency has increased by 600 percent in recent years.

Several signs display messages such as:
“Your taxes are being wasted” and “ICE’s cruelty costs you $28 billion,” referring to the agency’s annual budget.

In a statement, Marisa Franco, co-founder of the Mijente Support Committee, said:
“For too long, our government has prioritized building cages and investing billions in an immigration enforcement apparatus that has left families torn apart and communities terrified.”

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She added that “Millions of Americans are living paycheck to paycheck, yet this violent agency continues operating with a blank check. These decisions do not make us safer nor improve our economic security. Our billboards highlight these choices and demand a different path.”

Budget Debate and Medicaid Comparison

The campaign also draws a comparison between ICE’s funding and the estimated 17 million people who could lose health coverage under Medicaid due to federal budget cuts under President Donald Trump.

Other billboard messages seen in various cities include:
“They get billions to beat us; we get layoffs and rising rents” and “Funding ICE is a fast track to fascism.”

Organizers say the goal is to spark public debate about the allocation of federal funds for immigration enforcement and the broader economic and social impact of such policies on communities nationwide.