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SpaceX plans to announce two new space tourists slated to fly on the Starship rocket: Dennis Tito, the world’s first-ever space tourist in 2001, and his wife, Akiko. 

The couple paid an undisclosed amount to fly around the moon on Starship once the vehicle is complete. They will travel with 10 other undisclosed passengers on a roughly week-long journey. The trip doesn’t include a landing on the lunar surface and it’s unclear if the other passengers have been chosen yet.

It may be a while before the mission gets underway and there’s still no target date. It’s scheduled to be Starship‘s fourth passenger mission, conducted after SpaceX uses the vehicle to land astronauts on the moon for NASA and following trips by other customers who have purchased rides in the vessel.   

Then there’s the fact that Starship has yet to travel to space. SpaceX still needs to send an uncrewed version of the vehicle to orbit, which Chief Executive Officer Elon Musk said could occur as early as November. The company must also show it can refuel Starship while in space so that it can reach the moon’s vicinity, and it needs the necessary life-support systems and other hardware to keep humans alive.

“I know this rocket is going to be tested backwards and forwards; there’ll be hundreds of flights before we’re flying,” Tito said in an interview with Bloomberg. “We’re not going to fly next year. It’s going to be a wait.”

After a brief stint working as a scientist at NASA’s Jet Propulsion Laboratory, Tito co-founded investment-management firm Wilshire Associates in 1972. He was the first civilian space tourist to visit the International Space Station, paying $20 million (nearly Rs. 1,64,500 crore) to purchase a seat on Russia’s Soyuz rocket for a week-long stay. Tito said that, at the time, NASA wasn’t happy with his trip. 

Since his flight, space tourism has greatly expanded, and NASA has opened up the ISS to more commercial endeavors. Nearly a dozen tourists have flown there with the help of a company called Space Adventures. The first all-civilian crew visited the space station in April, coordinated by a company called Axiom. 

Paying customers are also able to get a brief taste of space by purchasing tickets on suborbital vehicles from companies like Jeff Bezos’s Blue Origin and Virgin Galactic, which send passengers to the edge of space and back.

SpaceX has also entered the space-tourism market. In 2021, an all civilian crew, sponsored by billionaire Jared Isaacman, flew into orbit for three days on a SpaceX Crew Dragon, a mission called Inspiration4.

‘To the Moon’

Tito’s plans came about when he visited SpaceX in June 2021 after a friend of his wife arranged a meeting with company personnel. He was asked if he wanted to go to space again, either to visit the space station or on a quick trip to orbit.

“No, I want to go to the moon,” Tito recalled saying. “And then I looked at Akiko just when I said that, and she said ‘me, too.’ And that’s how it started.”

Dennis Tito is 82 years old, which could make him the oldest person to go into orbit and into deep space. He acknowledged that he’s been focused on staying fit while waiting for Starship’s development. He and his wife, who is 57, are both pilots, while Dennis says he holds four American weightlifting records for an 80-year-old. 

“Whatever will be, will be. It’s going to take a certain amount of time, but it will be ready, and it will be safe when it’s ready,” Tito said. “It’s more limited by how much time I have on this planet.”

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Super Earths are Quite Common Outside the Solar System, New Study Reveals

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April 26, 2025

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Super Earths are Quite Common Outside the Solar System, New Study Reveals

A team of international astronomers, led by Weicheng Zang from the Centre for Astrophysics | Harvard & Smithsonian (Cfa), had announced the discovery of a planet whose size is twice that of Earth, and orbits around its star at a distance farther out than Saturn. These findings reveal how planets differ from our existing solar system. The discovery was first published in the Journal Science on April 25, 2025. Scientists fetched this data from the Korea Microlensing Telescope Network (KMTNet), also known as the largest microlensing survey to date.

This Super Earth, called a planet due to its size being bigger than Earth but smaller than Neptune, is more significant as it is a large study where the masses of many planets have been measured relative to the stars that they orbit. As per physics.org, the team of researchers found fresh information about the number of planets that surround the Milky Way.

Study by KMTNet

According to the study conducted using Korean Microlensing data in which light from faraway objects is amplified through the use of an interfering body, called a planet. This technique is very effective for finding planets at a far distance, between Earth and Saturn’s orbit.

This study is considered to be large for its kind because there are about three times more planets, including planets that are eight times smaller than the previous planets found with the help of microlensing. Shude Mao, a professor, said that the current data gives a hint of how cold planets are formed. With the help of KMTNet data, we can know how these planets were formed and evolved. KMTNet has three telescopes in South Africa, Chile and Australia.

Understanding the Exoplanets

Such studies show that the other systems can have a small, medium and large variety of planets in Earth’s orbit. CFA-led research suggests that there can be more Super Earth Planets in other solar systems’ outer regions. Jennifer Yee says that there is a possibility that outside the Earth’s trajectory, other galaxies may have more such planets that are bigger than Earth’s size yet smaller than Neptune.

Findings and Implications

Youn Kii Jung, who operates KMTNet, says that in Jupiter-like orbits, the other planetary systems may not be similar to ours. Scientists will try to determine how many such planets exist. A study indicates that there are at least as many super-Earths as there are Neptune-sized planets in the universe.

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Magnetic Fields Could Significantly Influence Oscillations in Merging Neutron Stars, Study Finds

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April 26, 2025

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Magnetic Fields Could Significantly Influence Oscillations in Merging Neutron Stars, Study Finds

Magnetic fields may significantly complicate how scientists interpret gravitational wave signals from neutron star mergers, a new study has revealed. These collisions, where two super-dense stellar remnants merge, have long offered astrophysicists a way to probe matter under extreme pressure. The results from the University of Illinois Urbana-Champaign and the University of Valencia reveal that robust magnetic fields form more complex and lengthy patterns in gravitational waves, thereby making it harder to decipher the inner workings of neutron stars. Results could doom post-merger signal interpretation strategies and the equation of states of dense matter as scientists prepare to observe the next generation of gravitational wave observatories.

Magnetic Fields Found to Distort Frequency Signals in Neutron Star Mergers

As per the study published in Physical Review Letters, the researchers simulated general relativistic magnetohydrodynamics — how the strength and arrangement of magnetic fields affect the frequency signals from the remnants left behind after a merger. They went represent real-world conditions by applying two different equations of state (EoS) for neutron stars, different magnetic field configurations, and several mass combinations.

According to lead researcher Antonios Tsokaros, the magnetic field can cause frequency shifts that can misidentify scientists into misattributing them as indications of other physical phenomena like phase transitions or quark-hadron crossover.

The discoveries also imply that scientists need to be cautious about how they interpret signals from neutron-star mergers, lest they slip into assuming how they form. They found that strong magnetic fields can change the emitted signals’ typical oscillation frequency, shifting them from what they should be and from what was predicted by one or another of the competing equations of state at play within these ferocious events.

They also discovered that in the most straightforward type of galaxy mergers they considered in their simulations, the magnetic field became overly amplified so that a greater proportion of the remnants of the merger are more likely to produce further gravitational wave emissions.

Magnetic Fields Hold Key to Unlocking Secrets of Neutron Star Mergers

Neutron stars are what remains of massive stars that have collapsed, and they contain matter so dense that a full teaspoon would weigh billions of tonnes. They have thermodynamic properties that are determined by the EoS and magnetic fields, some orders of magnitude stronger than those that one can produce in a human laboratory.

These extreme features also make neutron stars useful for probing the laws of physics under intense pressure and magnetism. Ever since it was detected in both gravitational waves and gamma rays in 2017, the scientific community has been buzzing about research on neutron star mergers, leading to ever-growing numbers of studies related to these types of mergers.

Professor Milton Ruiz also warns that it would be a mistake to misinterpret observations in the future without considering the effects of the magnetic fields. Higher-resolution simulations are needed, the researchers said, to refine our understanding of how magnetic fields shape cosmic happenings, and endeavours like the Einstein Telescope and Cosmic Explorer loom on the horizon.

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Hubble Captures Mars, Cosmic Nebulae, and Distant Galaxies in Spectacular 35th Anniversary Photos



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Hubble Captures Mars, Cosmic Nebulae, and Distant Galaxies in Spectacular 35th Anniversary Photos

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April 26, 2025

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Hubble Captures Mars, Cosmic Nebulae, and Distant Galaxies in Spectacular 35th Anniversary Photos

The Hubble Space Telescope is celebrating 35 years in orbit with an amazing batch of new images, including everything from seasonal changes on Mars to a moth-shaped planetary nebula and a distant spiral galaxy. Hubble was deployed from the space shuttle Discovery on April 24, 1990, and has delivered unparalleled cosmic views from low Earth orbit. Its history as a tool for science and exploration has led to nearly 1.7 million observations, more than 22,000 peer-reviewed scientific papers, and about 400 terabytes of archival data. This data has continued to provide generations with glimpses of stunning views of distant and often dynamic universes.

Hubble Reveals Mars and a Celestial Moth in Dazzling 35th Anniversary Image Collection

According to a celebratory statement, officials at the European Space Agency (ESA), which jointly runs Hubble with NASA, lauded the observatory as a way to link the past and future knowledge of the cosmos. As per ESA, the updated slate was announced to celebrate the 35th year of the telescope, during which the instrument has proven it can uncover unseen beauty and detail in the cosmos. “No generation before Hubble ever saw such vibrant and far-reaching images,” ESA officials mentioned in the official blog post.

Among the newly unveiled images is a stunning pair of ultraviolet portraits of Mars taken in December 2023, when the Red Planet was about 60 million miles from Earth. The left image reveals the Tharsis volcanic plateau and Olympus Mons rising through thin water-ice clouds, while the right side captures the “shark fin” shape of Syrtis Major and high-altitude evening clouds, coinciding with spring’s arrival in Mars’s northern hemisphere.

Another image shows a haunting view of NGC 2899, a planetary nebula about 4,500 light-years away in the constellation Vela. Sculpted by a dying star and possibly two stellar companions, the nebula glows with hydrogen and oxygen. Its gaseous tendrils appear to point back toward a pair of white stars at the core, illuminating the violent winds and radiation shaping this celestial moth.

Hubble Captures Star Birth in Rosette Nebula and Distant Spiral Galaxy NGC 5335

In a close-up of the Rosette Nebula — a stellar nursery 5,200 light-years away — dark clouds of gas and dust are seen being carved by radiation from massive stars. A young star at the upper right is actively creating and ejecting jets of plasma, which glow bright red due to shock waves from their collision with surrounding gases.

The image shows a continuing process of star birth in a region spanning four light years, part of a much larger 100-light-year expanse. Hubble also snapped NGC 5335, a barred spiral galaxy found 225 million light-years away in the constellation of Virgo. This flocculent galaxy lacks clear spiral arms, instead featuring patchy bursts of star formation scattered across its disk.

A central bar channels gas inward, supporting new star formation in a galactic dance that astronomers say will continue for billions of years before reshaping again.

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