Sun

3-in-1 Launch

A SpaceX Falcon 9 rocket carrying NASA’s IMAP (Interstellar Mapping and Acceleration Probe), the agency’s Carruthers Geocorona Observatory, and National Oceanic and Atmospheric Administration’s (NOAA) Space Weather Follow On–Lagrange 1 (SWFO-L1) spacecraft lifts off from Launch Complex 39A at NASA’s Kennedy Space Center in Florida at 7:30 a.m. EDT Wednesday, Sept. 24, 2025. The missions will each focus on different effects of the solar wind — the continuous stream of particles emitted by the Sun — and space weather — the changing conditions in space driven by the Sun — from their origins at the Sun to their farthest reaches billions of miles away at the edge of our solar system.

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Picture of the day





Palácio do Planalto, seat of the Brazilian Federal Executive. In late September afternoon, the height of the dry season, the setting sun gives a special color to the monument. Today is Independence Day in Brazil.
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Picture of the day
Palácio do Planalto, seat of the Brazilian Federal Executive. In late September afternoon, the height of the dry season, the setting sun gives a special color to the monument. Today is Independence Day in Brazil.
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A Brief Outburst

The Sun blew out a coronal mass ejection along with part of a solar filament over a three-hour period on Feb. 24, 2015. While some of the strands fell back into the Sun, a substantial part raced into space in a bright cloud of particles (as observed by the NASA-ESA Solar and Heliospheric Observatory spacecraft). Because this occurred way over near the edge of the Sun, it was unlikely to have any effect on Earth.

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Jimmy Lai’s son says his father is ‘still fighting’ amid ongoing trial

Sebastien Lai, son of imprisoned free speech advocate Jimmy Lai, speaks on EWTN’s “The World Over with Raymond Arroyo” on Aug. 21, 2025. / Credit: “The World Over with Raymond Arroyo” screenshot

Washington, D.C. Newsroom, Aug 22, 2025 / 13:38 pm (CNA).

Sebastien Lai, son of imprisoned Hong Kong democracy advocate Jimmy Lai, said this week his father is “still fighting” and “holding on” as closing arguments continue in his lengthy national security trial.

Jimmy Lai, the Catholic billionaire, human rights activist, and founder of pro-democracy newspaper Apple Daily, has been on trial since 2023 in Hong Kong for allegations of colluding with foreign forces under a national security law put in effect by the communist-controlled Chinese government. He faces a life sentence if found guilty. 

“It’s a textbook example of a show trial, of the weaponization of the legal system,” Sebastien told EWTN’s “The World Over with Raymond Arroyo” on Thursday.

“He’s not going to see a fair trial … It’s an absolute kangoo trial.”

Sebastien said the evidence brought against his father “all turned out to be completely untrue,” adding: “My father is in prison because of his journalism and because of his courage. Because he stayed to defend his people, because he dared to campaign for democracy and for human rights in Hong Kong. And that didn’t sit well with the Hong Kong government.”

While closing arguments began on Aug. 18, they continue to be postponed. Sebastien said the issue is that “the national security law is so broad,” explaining that the “rule of law” in Hong Kong, which was once fairly enforced, “no longer holds.”

“Instead of the rule of law, it’s the rule of men,” he said. “My father got more than a year in maximum security prison in solitary confinement on one of the sentences, which was for lighting a candle and saying a prayer at a Tiananmen Square massacre vigil.”

People can see it is “not just ridiculous, but how horrible it is to give someone a jail sentence over commemorating people who died, [but] who died for freedom and democracy in China.”

While “it’s an open trial” and people in Hong Kong can follow what is happening, “there’s no free press,” Sebastien said. “People are going to jail for liking social media posts or even writing on bathroom toilets … But foreign journalists can still go and local journalists can still cover parts of it. There’s at least that element of it.”

“My father said it best … when he was giving testimony: ‘My job as a journalist, as a publisher, is to hold a torch to the truth.’” 

Call for international support 

As leaders around the world rally to support Jimmy, Sebastien said his family is “incredibly grateful” for the help but that he thinks “it’s time to put action” behind words. 

President Donald Trump recently vowed to do everything he can to bring about Jimmy’s release.

“The fact that [Trump] is still keeping my father’s case close to heart is something that I’m incredibly grateful for,” he said.

“The U.S. government is much more effective and much stronger in terms of liberating people around the world. Now that both [the U.K. and U.S.] governments are so supportive, it gives us a lot of hope as a family, but … I think the U.K. government can do more to free my father,” he said.

“But I think we are in a situation now where my father dying in jail is not beneficial for any party. It’s not beneficial for Hong Kong. It’s not beneficial for China. It’s obviously not beneficial for anybody who enjoys freedom.” Jimmy would “essentially act as a martyr if he died in prison,” Sebastien said. 

Jimmy’s health concerns

“His health is not good,” Sebastien continued. “From my understanding, my father is much skinnier and much weaker, but still strong in spirit and still strong in mind.”

The Chinese government is “always trying to essentially break his spirit with all these multiple show trials. The government tells him that nobody cares about him and that he’s going to die for nothing.”

In solitary confinement, where Jimmy is most of the time, he is “in a little concrete cell, and there’s no air conditioning, so he bakes under the sun … never mind his diabetes,” the younger Lai said. Recently, Jimmy’s lawyers also shared that he is suffering from heart palpitations in prison.

As the trial continues, Sebastien said a statement his father made is what gives him hope: “‘The truth will come out in the kingdom of God, and that is good enough for me.’”

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Sunset on Mars

On May 19th, 2005, NASA’s Mars Exploration Rover Spirit captured this stunning view as the Sun sank below the rim of Gusev crater on Mars. This panoramic camera mosaic was taken around 6:07 in the evening of the rover’s 489th Martian day, or sol.

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Webb Finds Icy Disk

Webb has found crystalline water ice in a debris disk around a young, Sun-like star called HD 181327. Based on its presence in our own solar system, scientists have expected to see it in other star systems — but haven’t had sensitive enough instruments to provide definitive proof until now.

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X-ray Clues Reveal Destroyed Planet

In about 5 billion years, our Sun will run out of fuel and expand, possibly engulfing Earth. These end stages of a star’s life can be utterly beautiful – as is the case with this planetary nebula called the Helix Nebula. Astronomers study these objects by looking at all kinds of light. This images show X-rays from NASA’s Chandra X-ray Observatory (magenta), optical light data from NASA’s Hubble Space Telescope (orange, light blue), infrared data from the European Southern Observatory VISTA telescope (gold, dark blue), and ultraviolet data from GALEX (purple) of the Helix Nebula.

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Sun Rises on Crew-10 at Launch Pad

A SpaceX Falcon 9 rocket with the company’s Dragon spacecraft on top is seen during sunrise on the launch pad at Launch Complex 39A at NASA’s Kennedy Space Center in Florida on Tuesday, March 11, 2025, ahead of the agency’s SpaceX Crew-10 launch. Crew-10 is the 10th crew rotation mission with SpaceX to the International Space Station as part of the agency’s Commercial Crew Program. Liftoff is targeted for 7:48 p.m. EDT on Wednesday, March 12, 2025.

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Geyser Season on Mars

Springtime in the South Polar region of Mars is a season of exciting activity. The thick coating of carbon dioxide ice that accumulated over the winter begins to sublimate (turn to vapor) as the sun rises higher in the sky and warms the ice. Sunlight penetrates through the transparent ice, and is absorbed at the base of the ice layer. The gas that forms as a result of the warming escapes through weaknesses in the ice and erupts in the form of magnificent geysers of gas and dust.

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