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Does the Milky Way have too many satellite galaxies?

The Large and Small Magellanic Clouds are well-known satellite galaxies of the Milky Way, but there are more. It is surrounded by at least 61 within 1.4 million light years (for context the Andromeda galaxy is 2.5 million light years away) but there.....»»

Category: topSource:  physorgMay 13th, 2024

Investigating how the biggest galaxies in the cosmos grew so quickly before dying

Astronomers are closer than ever to working out how the biggest galaxies in the cosmos grew so quickly before dying......»»

Category: topSource:  physorgRelated NewsNov 27th, 2024

NASA satellite data reveal role of green spaces in cooling cities

As any urban dweller who has lived through a heat wave knows, a shady tree can make all the difference. But what happens when there's no shade available?.....»»

Category: topSource:  physorgRelated NewsNov 26th, 2024
Category: topSource:  physorgRelated NewsNov 25th, 2024

New AI tool generates realistic satellite images of future flooding

Visualizing the potential impacts of a hurricane on people's homes before it hits can help residents prepare and decide whether to evacuate. MIT scientists have developed a method that generates satellite imagery from the future to depict how a regio.....»»

Category: topSource:  physorgRelated NewsNov 25th, 2024

Study detects methane emissions in the palm oil industry in Indonesia, Malaysia and Colombia

A team of researchers from the Universitat Politècnica de València (UPV), belonging to the LARS-IIAMA group, has used satellite technology to detect methane emissions in the palm oil industry in Indonesia, Malaysia and Colombia. Their study, publis.....»»

Category: topSource:  physorgRelated NewsNov 25th, 2024

Astronomers discover a rare group of dwarf galaxies

Astronomers from the Yonsei University in Seoul, South Korea and elsewhere have discovered a rare isolated group of five star-forming dwarf galaxies in the local universe. The finding was reported in a research paper published November 19 in The Astr.....»»

Category: topSource:  physorgRelated NewsNov 25th, 2024

Man scouring Google Earth found a mysterious scar in the Australian outback. Now we know what caused it

Earlier this year, a caver was poring over satellite images of the Nullarbor Plain when he came across something unexpected: an enormous, mysterious scar etched into the barren landscape......»»

Category: topSource:  physorgRelated NewsNov 24th, 2024

The dark energy pushing our universe apart may not be what it seems, scientists say

Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they thought......»»

Category: topSource:  physorgRelated NewsNov 23rd, 2024

Satellite data and algorithms reveal which ships emit excessive nitrogen

Ships are still emitting too much nitrogen oxide. Until now, it has been impossible to measure this at sea, but that is set to change. Solomiia Kurchaba combined satellite data and developed algorithms to identify which ships are emitting too much. K.....»»

Category: topSource:  physorgRelated NewsNov 23rd, 2024

DirecTV announces termination of deal to buy Dish satellite business

DirecTV says it's ending deal after Dish debt holders refused to accept loss. DirecTV is pulling out of an agreement to buy its satellite rival Dish after bondholders objected to.....»»

Category: topSource:  arstechnicaRelated NewsNov 22nd, 2024

Veil of fiery gas revealed around the disk of Milky Way

Scientists may have finally hit upon the possible mysterious sources that have pumped heat and kept alive the fiery hot gas that has recently been detected surrounding the Milky Way but has so far remained unexplained......»»

Category: topSource:  physorgRelated NewsNov 22nd, 2024

2 million mph galaxy smash-up seen in unprecedented detail

A massive collision of galaxies sparked by one traveling at a scarcely-believable 2 million mph (3.2 million km/h) has been seen in unprecedented detail by one of Earth's most powerful telescopes......»»

Category: topSource:  physorgRelated NewsNov 22nd, 2024

Rocket Report: Next Vulcan launch slips into 2025; Starship gets a green light

"Constellation companies and government satellite operators are desperate." Welcome to Edition 7.20 of the Rocket Report! This is a super-long version of the newsletter because we.....»»

Category: topSource:  arstechnicaRelated NewsNov 22nd, 2024

Astronomers snap first up-close image of a star outside our galaxy

Astronomers have taken a detailed image of a star outside of the Milky Way for the first time......»»

Category: topSource:  digitaltrendsRelated NewsNov 21st, 2024

Introducing "UFO" galaxies—the Milky Way"s dustier cousins

In a new study, a team of astrophysicists led by CU Boulder has set out to unravel the mysteries of UFOs—not the alien spacecraft, but a class of unusually large and red galaxies that researchers have nicknamed Ultra-red Flattened Objects, or UFOs.....»»

Category: topSource:  physorgRelated NewsNov 21st, 2024

Geospatial mapping study shows drought trend in ag-dominated Arkansas Delta

The Delta, a regional powerhouse for Arkansas agriculture built by river flows, is showing a trend of increasing droughts. Using satellite imagery, Arkansas Agricultural Experiment Station researchers comprehensively analyzed drought dynamics over fi.....»»

Category: topSource:  physorgRelated NewsNov 21st, 2024

It"s been 100 years since we learned the Milky Way is not the only galaxy

On Sunday November 23, 1924, 100 years ago this month, readers perusing page six of the New York Times would have found an intriguing article, amid several large adverts for fur coats. The headline read: Finds Spiral Nebulae are Stellar Systems: "Dr......»»

Category: topSource:  physorgRelated NewsNov 20th, 2024

Roads to reservoirs: Expanding the scope of global emissions tracking

In continued collaboration as a member of the Climate TRACE coalition, the Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland, has expanded its efforts to use artificial intelligence and satellite imagery to track emission sources aro.....»»

Category: topSource:  physorgRelated NewsNov 20th, 2024

The Milky Way represents an outlier among similar galaxies, universe survey data shows

For decades, scientists have used the Milky Way as a model for understanding how galaxies form. But three new studies raise questions about whether the Milky Way is truly representative of other galaxies in the universe......»»

Category: topSource:  physorgRelated NewsNov 20th, 2024

New DESI data shed light on gravity"s pull in the universe

Gravity has shaped our cosmos. Its attractive influence turned tiny differences in the amount of matter present in the early universe into the sprawling strands of galaxies we see today. A new study using data from the Dark Energy Spectroscopic Instr.....»»

Category: topSource:  marketingvoxRelated NewsNov 20th, 2024