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الوسم: twice

  • New Study Reveals Jupiter Once Measured Twice Its Current Size

    New Study Reveals Jupiter Once Measured Twice Its Current Size

    Here’s a rewritten version of the content in American English:

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    NASA’s Juno spacecraft captured an image of Jupiter’s Great Red Spot.
    NASA’s Juno spacecraft captured an image of Jupiter’s Great Red Spot. — NASA/File

    A recent study suggests that Jupiter was much larger and possessed a considerably stronger magnetic field in its early years compared to what we observe today. This research looks back in time to visualize what the planet was like shortly after its formation.

    New calculations indicate that just 3.8 million years after the formation of the solar system’s first solid bodies, Jupiter was approximately twice its current size and had a magnetic field at least 50 times stronger than it is today. These findings were presented in a paper published on May 20 in the journal Nature Astronomy, as reported by Space.com.

    “Our ultimate aim is to understand our origins, and clarifying the early stages of planetary formation is crucial to solving the puzzle,” stated Konstantin Batygin, a professor of planetary science at Caltech and the study’s lead researcher. “This brings us closer to unraveling how Jupiter and the entire solar system were formed.”

    Batygin and his team sought to minimize the assumptions of contemporary planetary formation models, such as how quickly nascent planets accumulated primordial gas. Instead, they focused on Amalthea and Thebe, two lesser-known moons of Jupiter.

    Scientists believe that the slightly tilted orbits of these small moons, which orbit closely around Jupiter, have remained relatively unchanged since the early solar system. The recent study claims that by examining these small orbital tilts, researchers could reverse-engineer Jupiter’s initial size and magnetic intensity.

    The team estimates that early Jupiter had a capacity to hold more than 2,000 Earths and a radius nearly twice its current measurement. Today, Jupiter can fit about 1,321 Earths within its volume.

    This study emphasizes that Jupiter’s formation and early growth were critical in shaping the overall structure of the solar system, although it does not delve into how such a colossal Jupiter might have influenced the early solar system’s development.

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  • Trump’s Second Oval Office Showdown Might Worry Foreign Leaders

    Trump’s Second Oval Office Showdown Might Worry Foreign Leaders

    Trump Meets Ramaphosa: A Controversial Oval Office Encounter

    Image Caption: US President Donald Trump meets with Ukrainian President Volodymyr Zelenskiy at the White House in Washington, D.C., on February 28, 2025. – Reuters

    Date: WASHINGTON – On Wednesday, amid a dimmed atmosphere in the Oval Office, President Donald Trump directed his attention toward South African President Cyril Ramaphosa, showcasing a theatrical confrontation that appeared heavily scripted for the cameras.

    In a scene echoing the dramatic visit of Ukrainian President Volodymyr Zelenskiy earlier this year, Trump confronted Ramaphosa with dubious accusations regarding the alleged genocide of white South Africans, including false claims of land seizures and mass violence.

    This latest encounter highlighted Trump’s willingness to use one of the most prestigious settings in American politics for unexpected confrontations, likely aiming to embarrass leaders from countries perceived as less powerful or to press them on issues he fervently discusses.

    Such unconventional tactics may deter other foreign leaders from accepting invitations to the White House for fear of public embarrassment. This reluctance could complicate diplomatic ties with allies, particularly as China endeavors to strengthen its relationships with African nations.

    Patrick Gaspard, who served as the US ambassador to South Africa during the Obama administration, criticized the meeting as a “shameful spectacle” in which Trump berated Ramaphosa with misleading depictions of violence and rhetoric.

    “Negotiating on Trump’s terms rarely ends well for anyone,” Gaspard noted in a post on social media platform X.

    Initially framed as an opportunity to mend the fraught relationship between the US and South Africa—especially following Trump’s imposition of tariffs—the meeting aimed to address Trump’s unsubstantiated claims of “white genocide” and his proposition to relocate white Afrikaners.

    After a seemingly cordial beginning, Trump, a former reality TV star, darkened the room and showcased a video along with printed articles that he claimed proved persecution against white South Africans.

    Ramaphosa, visibly prepared to refute these accusations, maintained his composure, seeking to counter the narrative promoted by Trump without directly criticizing the President, who is known for being sensitive to criticism.

    “I apologize for not having a plane to offer you,” Ramaphosa joked, referencing the luxury jet Qatar proposed to Trump as a replacement for Air Force One.

    His spokesperson, Vincent Magwenya, remarked that Ramaphosa was clearly being provoked but handled the situation with poise.

    The White House did not respond immediately regarding whether the meeting was designed to set Ramaphosa on the back foot, nor did it comment on the potential ramifications for future diplomatic visits.

    Cameron Hudson, a senior fellow at the Center for Strategic and International Studies, described the televised segment of the meeting as a circus that remained civil and did not escalate into anger.

    Contrasting Meetings:

    This encounter starkly contrasted with Trump’s earlier meeting with Zelenskiy, which devolved into a heated shouting match involving both him and Vice President JD Vance. In that instance, Zelenskiy was also attempting to rebuild diplomatic ties while securing military assistance from the US amid ongoing conflict with Russia.

    The nature of Trump’s meeting on Wednesday may have been less critical in terms of global ramifications, yet South Africa is a significant political and economic player in Africa, with China serving as its primary trading partner, while the US ranks second.

    Despite centuries of oppression against Black South Africans during colonialism and apartheid, which ended in 1994 under Nelson Mandela, the government of South Africa has refuted Trump’s allegations.

    Trump’s choice to spotlight these unverified claims seemed tailored to certain segments of his political base, particularly among far-right and white nationalist groups, who have historically promoted the idea of a “white genocide” narrative in South Africa.

    By presenting these unverified reports of violence against white farmers and framing land reform as racial discrimination, Trump tapped into themes that resonate deeply with segments of the right-wing extremist community in the US.

    Since resuming office in January, Trump has terminated aid to South Africa, expelled its ambassador, and initiated efforts to resettle certain white Afrikaners, all based on claims Pretoria deems unfounded. The land reform initiative in South Africa seeks to address the injustices of apartheid by allowing for expropriations without compensation for public interest, though no such actions have been executed yet, and any such decisions can be legally challenged.

    Tim Marshall, a British foreign affairs commentator, remarked on the meticulous planning behind the Zelenskiy meeting, indicating a broader trend of whitehouse orchestrated confrontations.

    Summary

    The Palm of the Oval Office, historically a symbol of honor for visiting dignitaries, was used by Trump as a platform for political theatrics, raising significant questions about his diplomatic style and its effects on future international relations.