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SCIENCESPACE & SCIENCE

Scientists Discover Possible “Ocean World” 100-Light Years Away From Earth

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The newly discovered planet is about five times heavier than Earth, and its density could be consistent with having a “very deep ocean World.”A team of researchers recently discovered a planet about 100 light-years from Earth that they believe could be completely covered in water.

According to the National Aeronautics and Space Administration (NASA), the planet – called TOI-1452 b – is believed to be 70% larger than Earth and located in the “Goldilocks Zone”, where temperatures are neither too hot nor too cold. for liquid water to exist on its surface.

Based on observations from NASA’s Transiting Exoplanet Survey Satellite (TESS), a team of researchers led by the University of Montreal announced the discovery of a “super-Earth”. According to a press release, the US space agency said: “Further investigation could shed light on an intriguing possibility: that the planet may be a ‘water world’.”

The planet is roughly five times heavier than Earth, and its density could be consistent with having a “very deep ocean.” It could also be a huge rock with little or no atmosphere. “It could even be a rocky planet with an atmosphere of hydrogen and helium,” the press release said.

TOI-1452 orbits its red dwarf star once every 11 days. It also orbits a binary star system in which two stars orbit each other at a distance roughly two and a half times the distance from our Sun to Pluto.

Separately, according to a study published in The Astronomical Journal, Charles Cadieux, a Ph.D. student at the University of Montreal, said, “TOI-1452 b is one of the best ocean planet candidates we’ve found so far.”

Mr. Cadieux, who is the lead author of the study, also added: “Its radius and mass indicate a much lower density than would be expected for a planet that is essentially metal and rock like Earth.”

The analysis suggested that water could make up as much as 30% of the planet’s mass – a proportion similar to some of the Solar System’s moons, such as Titan or Ganymede.

Now, to determine whether TOI-1452 b is watery, scientists will have to look at it with the powerful James Webb Space Telescope (JWST). The planet is a perfect candidate for observation because it’s close enough to Earth to be easily visible, and it’s in a part of the sky that a telescope can see year-round.
Researchers are trying to schedule time on Webb to examine TOI-1452 b as soon as possible.

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SPACE & SCIENCE

SLS core stage arrives at KSC but faces “challenging” schedule

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The last major feature of the first Space Launch System rocket has arrived at the Kennedy Space Center, but NASA’s acting chief executive says it will be a “challenge” to launch the rocket before the end of this year.
The boat Pegasus arrived at KSC on April 27 with the basic SLS cruise liner. Pegasus moved the base stage from the Stennis Space Center in Mississippi, where it started in 2020 with a Green Run test campaign that ended with a fire test on March 18.
NASA will move the base phase to the Vehicle Assembly Building, where crews will attach their five-dimensional rocket enhancements, a high-end unit, and Orion spacecraft. It will then be released to Launch Complex 39B for final testing and, finally, the launch of Artemis 1.
“With the introduction of the basic SLS phase of Artemis 1, we have all the rocket components in Kennedy in Artemis’ first campaign,” John Honeycutt, SLS program manager at NASA’s Marshall Space Flight Center, said in a statement.
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The launch is scheduled to take place later in the year, even though NASA has not given a date for the renewal of the untested test aircraft. NASA’s statement on the arrival of the main phase at KSC did not say its launch date.
NASA Acting Chief Executive Officer Steve Jurczyk, speaking at Space 27 Space Shipping webinar, said the plan would still launch Artemis 1 before the end of the year. “We are still trying our best to make that launch towards the end of this calendar year,” he said. “That would be a challenge if we delayed the delays we had.”
He said the delays included technical challenges faced by the main phase during the Green Run test, as well as those caused by weather and epidemics. Jurczyk said later that those issues have used almost all the limits on the launch program this year.
“The Artemis 1 program is going to be a real challenge,” he said. “If things are going really well, in the integration of SLS and the integration of Orion into the mobile launch and release platform, we have the opportunity to launch by the end of the calendar year.”
“But this is the first time the car has moved on to KSC,” he added, meaning that this is the first time they have gone through the process of assembling the car parts and starting with the first steps. “There is no doubt that we will face some challenges, so we do not have a long schedule to consider launch towards the end of the calendar year.”
“If we can take those big steps and make progress, we will get a gun,” he said. “If we start to miss out on these events, we will have to think about whether we can succeed this year or not.”
Bill Nelson, who was nominated by Biden executives to become NASA’s director, pointed out in his hearing the assurance on April 21 that the launch could be smooth next year. “The first work of Artemis is launched next year,” he said in a text of his opening statement, which will run into early 2022.
“By the end of the year, maybe early next year, you’ll see the largest rocket ever – launched,” he told SLS during the hearing. “It will be an active activity in the process of returning to the moon and moving on to Mars.”
Source:- space