Published on: 2025-06-13 12:40:12
Billions of years from now, the Sun will swell into a red giant, swallowing Mercury, Venus, and Earth. But that’s not the only way our planet could meet its demise. A new simulation points to the menacing threat of a passing field star that could cause the planets in the solar system to collide or fling Earth far from the Sun. When attempting to model the evolution of the solar system, astronomers have often treated our host star and its orbiting planets as an isolated system. In reality, howev
Keywords: earth passing planet planets solar
Find related items on AmazonPublished on: 2025-06-23 02:00:54
You don't need us to tell you that Jupiter, which has more than twice the mass of all the other planets in the Solar System combined, is the biggest game in town (other than the Sun, at least.) But believe it or not, it may have once been even bigger. Try more than double its current size, according to new research from Caltech and the University of Michigan — boasting enough volume to fit 2,000 Earths inside it with room to spare. Over time, the bloated world cooled off, contracting to the rel
Keywords: jupiter planet planets size solar
Find related items on AmazonPublished on: 2025-08-07 15:30:00
Two years ago, astronomers believe they detected a star devouring one of its planets. Now, new observations of the aftermath of same event from the James Webb Space Telescope have suggested a scenario previously only considered in the realms of science fiction: that a planet about the size of Jupiter self-destructed by heading straight into its parent star. The scientists in charge of the observation believe they witnessed the first “planetary suicide” in history. The only noted way for a star
Keywords: nova planet planets star years
Find related items on AmazonPublished on: 2025-08-07 03:26:59
goenums goenums addresses Go's lack of native enum support by generating comprehensive, type-safe enum implementations from simple constant declarations. Transform basic iota based constants into feature-rich enums with string conversion, validation, JSON handling, database integration, and more. Installation go install github.com/zarldev/goenums@latest Documentation Documentation is available at https://zarldev.github.io/goenums. Table of Contents Key Features Type Safety: Wrapper types
Keywords: 000000 enum planet planets string
Find related items on AmazonPublished on: 2025-08-07 20:06:25
What does the "typical" exosolar system look like? We know it's not likely to look like our own Solar System, given that our familiar planets don't include entire classes of planets (Hot Jupiters! Mini-Neptunes!) that we've found elsewhere. And our discovery methods have been heavily biased toward planets that orbit close to their host star, so we don't really have a strong sense of what might be lurking in more distant orbits. A new study released on Thursday describes a search for what are ca
Keywords: distant orbits planet planets star
Find related items on AmazonPublished on: 2025-08-18 19:00:39
Researchers in Switzerland have built an AI model to uncover potentially habitable worlds that are hiding from view. As detailed in a new study published in the journal Astronomy and & Astrophysics, the machine learning algorithm identified 44 star systems that it suspects harbor Earth-like exoplanets we haven't detected yet, in a promising demonstration of an approach that could accelerate the search for planets teeming with life. It hasn't outright confirmed that the Earth-like planets are a
Keywords: earth like model planets stars
Find related items on AmazonPublished on: 2025-08-24 04:07:00
A rare celestial event on April 24-25 will give skygazers a creative way to see a smiley face in the early morning sky. While it's not exactly an emoji, this interesting grouping will show a crescent moon plus two rising planets, Venus and Saturn, close to the horizon. Together they'll form a quirky sideways "smile" for watchful viewers, creating plenty of potential for amateur photographers with the right angles. "Find Venus, Saturn, and the crescent moon gathered low in the east as dawn warms
Keywords: event horizon moon planets venus
Find related items on AmazonPublished on: 2025-08-30 00:00:46
Humans have been pondering the existence of life beyond Earth since ancient times. In the 1900s, scientists began actively searching for proof. Needless to say, we still haven’t found any. Although it’s only been a number of decades and technology is advancing every day, what if we continue to come up empty-handed? In a study published Monday in The Astronomical Journal, an international team of researchers tackled this question by arguing that what we don’t find can still be deeply informative
Keywords: exoplanets life planets scientists study
Find related items on AmazonPublished on: 2025-09-04 22:21:54
The secret to the formation of planets may lie in ordinary static electricity—the same phenomenon that can make your hair stand on end or give you an electric shock after walking across a carpet. A new study, published in Nature Astronomy, suggests that static electricity allows tiny dust particles in protoplanetary disks—the rotating platters of gas and dust that form around young stars—to clump together into “pebbles” that are large enough to play a role in the formation of planets. The imag
Keywords: charge dust particles planets static
Find related items on AmazonPublished on: 2025-09-10 06:22:46
Protoplanetary Disks Are Smaller Than Expected In astronomy, the first thing you see may be the least typical. A case in point: ‘Hot Jupiters.’ A few prescient souls, among them Buzz Aldrin and John Barnes in their novel Encounter with Tiber, speculated about gas giants that survived incredibly tight orbits around their star, and when asked about this in the 1990s, Greg Matloff ran the numbers and confirmed to his surprise that there was a theoretical case for their existence. Let me quote Matl
Keywords: discs disks planets protoplanetary stars
Find related items on AmazonPublished on: 2025-09-30 17:00:00
Carbon dioxide has been detected on a planet outside our solar system for the first time. The gas has been observed directly by the James Webb Space Telescope on four exoplanets, all belonging to the HR 8799 system, located 130 light-years from Earth. The detection of CO 2 offers clues as to how distant planets form, with the observations providing strong evidence that these four giant planets formed in much the same way as Jupiter and Saturn, through the slow formation of solid cores. The findi
Keywords: formation planets said solar space
Find related items on AmazonPublished on: 2025-09-30 15:40:21
Introduction On a typical day, there are greater than 10,000 aircraft (commercial, private, and military) in flight at any given time. The precise departure (point A) and destination (point B) locations, as well as the timing of flight activity, provide critically important information for myriad industries. For instance, in the defense and intelligence sector, being able to identify how many aircraft were stationed at one foreign government’s airbase (point A) and how many are gone the next da
Keywords: aircraft detection imagery planetscope resolution
Find related items on AmazonPublished on: 2025-10-01 06:40:21
Introduction On a typical day, there are greater than 10,000 aircraft (commercial, private, and military) in flight at any given time. The precise departure (point A) and destination (point B) locations, as well as the timing of flight activity, provide critically important information for myriad industries. For instance, in the defense and intelligence sector, being able to identify how many aircraft were stationed at one foreign government’s airbase (point A) and how many are gone the next da
Keywords: aircraft detection imagery planetscope resolution
Find related items on AmazonPublished on: 2025-10-02 23:15:15
Astronomers using the mighty James Webb Space Telescope have captured direct images of four planets in a star system 130 light years from Earth — an astonishingly eagle-eyed feat of cosmic photography. The planets, all young gas giants, were spotted in HR 8799, a system that's only around 30 million years old. Though already extensively probed, these latest observations, as detailed in a new study published in The Astrophysical Journal, provide compelling evidence that the nascent worlds are ri
Keywords: balmer gas light planets star
Find related items on AmazonPublished on: 2025-10-13 11:01:25
Astronomers have spotted four smaller-than-Earth exoplanets orbiting the closest single-star system to us, called Barnard's Star. As detailed in a new paper published in the journal The Astrophysical Journal Letters, an international team of researchers discovered that the star — a small red dwarf star just 16 percent of our own Sun's mass and just under six light-years from Earth in the constellation Ophiuchus — has four tiny and seemingly rocky worlds orbiting it. According to the astronomer
Keywords: earth exoplanets orbiting planets star
Find related items on AmazonPublished on: 2025-10-13 19:30:31
NASA’s Webb Space Telescope has captured direct images of carbon dioxide in a planet beyond our solar system for the first time. The images feature HR 8799, a multiplanet system 130 light-years from Earth. The discovery not only reveals a chemical compound essential on Earth for processes including photosynthesis and the carbon cycle, but also indicates that gas giant planets elsewhere in the galaxy formed in a similar way to our local giants, Jupiter and Saturn. The team’s analysis of the Webb
Keywords: 8799 carbon planets solar webb
Find related items on AmazonPublished on: 2025-10-20 10:40:54
Astronomers have identified four exoplanets orbiting Barnard’s Star, a red dwarf star just 6 light-years away from Earth. No, really, this time it’s for real! We have to emphasize this because astronomers have been “discovering” exoplanets orbiting Barnard’s Star—and then discovering they were wrong—for a century. “Exoplanet” is the technical term for planet-like bodies beyond our solar system, but some scholars use “planet” for simplicity. Now, however, an international research team has conf
Keywords: barnard earth exoplanets star study
Find related items on AmazonPublished on: 2025-11-07 23:13:00
If you've got any interest in skygazing, this is your week. A stunning planet parade is now visible in the night sky. A planet parade is when several of our solar system's planets are visible in the night sky at the same time. All seven planets will be visible this time around, meaning Venus, Mars, Jupiter, Saturn, Mercury, Neptune and Uranus. (Earth, of course, is the eighth planet, and poor Pluto was demoted in 2006 and is now considered a dwarf planet.) Mars, Venus, Jupiter, Mercury and Satu
Keywords: ll parade planets sky time
Find related items on AmazonPublished on: 2025-11-16 18:50:00
If you've got any interest in skygazing, this is your week. A stunning planet parade is now visible in the night sky. A planet parade is when several of our solar system's planets are visible in the night sky at the same time. All seven planets will be visible this time around, meaning Venus, Mars, Jupiter, Saturn, Mercury, Neptune and Uranus. (Earth, of course, is the eighth planet, and poor Pluto was demoted in 2006 and is now considered a dwarf planet.) Mars, Venus, Jupiter, Mercury and Satu
Keywords: ll parade planets sky time
Find related items on AmazonPublished on: 2025-11-12 18:00:02
2025 is starting off with a bang for skygazers, with a planet parade now visible in the night sky. A planet parade is when several of our solar system's planets are visible in the night sky at the same time. There will be six planets visible this time around, including Venus, Mars, Jupiter, Saturn, Neptune and Uranus. The six planets are visible now, and will remain so until late February. Mars, Venus, Jupiter and Saturn should be visible to the naked eye. You'll need a high-powered viewing dev
Keywords: ll parade planets sky time
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