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Astronomy News

Astronomy News -- ScienceDaily
Astronomy News -- ScienceDaily

Astronomy news. New! Earth-like extrasolar planet found; double helix nebula; supermassive black holes, astronomy articles, astronomy pictures. Updated daily.

April 3rd, 2025 12:26:34 EDT -0400 Solar wave squeezed Jupiter's magnetic shield to unleash heat
A solar wind event from 2017 that hit Jupiter and compressed its magnetosphere created a hot region spanning half Jupiter's circumference.
April 3rd, 2025 12:26:28 EDT -0400 Solar cells made of moon dust could power future space exploration
The same dirt that clings to astronauts' boots may one day keep their lights on. Researchers created solar cells made out of simulated Moon dust. The cells convert sunlight into energy efficiently, withstand radiation damage, and mitigate the need for transporting heavy materials into space, offering a potential solution to one of space exploration's biggest challenges: reliable energy sources.
April 2nd, 2025 12:28:55 EDT -0400 Galaxies die earlier than expected
For a long time, scientists thought that only actively star-forming galaxies should be observed in the very early Universe. The James Webb space telescope now reveals that galaxies stopped forming stars earlier than expected. A recent discovery deepens the tension between theoretical models of cosmic evolution and actual observations. Among hundreds of spectra obtained with the Webb program RUBIES, the team has found a record-breaking galaxy that had already stopped forming stars during an epoch where galaxies are normally growing very rapidly.
April 2nd, 2025 12:23:33 EDT -0400 Insight from one of Milky Way's most extreme environments
In new images, scientists have gotten the closest look yet at Sagittarius C -- a 'stellar nursery' where clouds of gas and dust have collapsed to form thousands of new stars.
April 2nd, 2025 12:20:33 EDT -0400 Sound frequencies of stars sing of our galaxy's past and future
Researchers interrogated the 'sounds' of a cluster of stars within the Milky Way, uncovering a new technique for astrophysicists to probe the universe and learn more about its evolution.
March 31st, 2025 12:21:18 EDT -0400 Martian dust could pose health risks to future astronauts
Inhaling dust particles from the Red Planet over long periods of time could put humans at risk of developing respiratory issues, thyroid disease and other health problems.
March 24th, 2025 15:24:36 EDT -0400 Organic molecules of unprecedented size discovered on Mars
The longest organic molecules identified to date on Mars have recently been detected. These long carbon chains, containing up to 12 consecutive carbon atoms, could exhibit features similar to the fatty acids produced on Earth by biological activity. The lack of geological activity and the cold, arid climate on Mars have helped preserve this invaluable organic matter in a clay-rich sample for the past 3.7 billion years. It therefore dates from the period during which life first emerged on Earth.
March 20th, 2025 14:50:26 EDT -0400 Oxygen discovered in most distant known galaxy
Astronomers have detected oxygen in the most distant known galaxy, JADES-GS-z14-0. This record-breaking detection is making astronomers rethink how quickly galaxies formed in the early Universe.
March 19th, 2025 14:37:56 EDT -0400 Treasure trove of galaxies, glimpses of deep fields
On 19 March 2025, the European Space Agency's Euclid mission releases its first batch of survey data, including a preview of its deep fields. Here, hundreds of thousands of galaxies in different shapes and sizes take center stage and show a glimpse of their large-scale organization in the cosmic web.
March 18th, 2025 14:08:58 EDT -0400 Meteorites: A geologic map of the asteroid belt
Where do meteorites of different type come from? In a review paper, astronomers trace the impact orbit of observed meteorite falls to several previously unidentified source regions in the asteroid belt.
March 17th, 2025 16:37:49 EDT -0400 Combination of cosmic processes shapes the size and location of sub-Neptunes
A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new study.
March 17th, 2025 16:36:31 EDT -0400 Webb telescope captures its first direct images of carbon dioxide outside solar system
The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a key target for planet formation studies.
Data Courtesy of Science Daily

Jan 2013 - Two comets to get excited about. One is Comet PANSTARRS, which will be brightest in March 2013. The other is Comet ISON, which might become a daylight comet in late 2013. Although a comet’s movement in our sky can be predicted, its brightness cannot be. It’s too early to know whether Comet PANSTARRS or Comet ISON – the two exciting comets of 2013 – will dazzle or fizzle.

Comet PANSTARRS
By October 2012, its surrounding coma was seen to be large and fine at an estimated 75,000 miles (120,000 kilometers) wide. In March 2013, by some estimates, this comet should get as bright as Venus,

Comet ISON
Last year, Russian astronomers Vitaly Nevsky and Artyom Novichonok discovered a new gigantic comet that is currently approaching Earth. The ISON comet, which is expected to become brighter than the full moon, will be visible to the naked eye by late 2013.

Comet ISON has only been visible through powerful telescopes. In November 2013, heat from the sun will vaporize ices in the comet's body, creating what could be a spectacular tail that will be visible in Earth's night sky without telescopes or even binoculars from about October 2013 through January 2014.

Comet ISON will come within 800,000 miles (1.2 million km) of our sun’s surface on November 28. That’s over 100 times closer to the sun than Earth. This close pass to the sun might cause Comet ISON to break to pieces. January 2014 may see a meteor shower produced by streams of debris from the ISON comet.