Active galaxies as standard candles: Is dust the culprit behind discrepancies?
When did the universe start? When and how did the first stars and galaxies form? What is the fate of the universe?
Monthly Notices of the Royal Astronomical Society
Russian astronomers discover dozens of new pulsars
A team of Russian astronomers from the Pushchino Radio Astronomy Observatory (PRAO) and elsewhere, reports the detection of 39 new pulsars as part of the Pushchino Multibeams Pulsar Search (PUMPS) project. The finding was ...
'Old smokers': Strange new type of star discovered in Milky Way
Nearing the end of their life, they sit quietly for long periods of time, barely noticeable, before suddenly puffing out a cloud of smoke.
Astronomy
Jan 28, 2024
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203
Stars travel more slowly at Milky Way's edge: Galaxy's core may contain less dark matter than previously estimated
By clocking the speed of stars throughout the Milky Way galaxy, MIT physicists have found that stars further out in the galactic disk are traveling more slowly than expected compared to stars that are closer to the galaxy's ...
Astronomy
Jan 26, 2024
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300
'Old smokers' and 'squalling newborns' among hidden stars spotted for first time
'Hidden' stars including a new type of elderly giant nicknamed 'old smoker' have been spotted for the first time by astronomers. The mystery objects exist at the heart of our Milky Way galaxy and can sit quietly for decades—fading ...
Astronomy
Jan 25, 2024
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84
New cataclysmic variable discovered that may contain a brown dwarf secondary
An international team of astronomers reports the discovery of a new cataclysmic variable. The newfound system, designated SRGeJ041130.3+685350 (or SRGeJ0411 for short), has an orbital period of about 100 minutes and may contain ...
NGC 2403 XMM4 is a super-Eddington neutron star, study finds
By analyzing the data from various space telescopes, astronomers have performed a detailed study of an ultraluminous X-ray source known as NGC 2403 XMM4. Results of the study, published January 5 in the Monthly Notices of ...
Secrets of a hot Saturn and its spotted star unlocked
A team of astronomers including McGill Professor Nicolas Cowan has unraveled the enigmatic atmosphere of the exoplanet HAT-P-18 b, shedding light on its intriguing blend of gases, clouds, and even the effects of its star's ...
Astronomy
Jan 9, 2024
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46
New images reveal what Neptune and Uranus really look like
Neptune is fondly known for being a rich blue, and Uranus green—but a new study has revealed that the two ice giants are actually far closer in color than typically thought.
Planetary Sciences
Jan 4, 2024
1
458
Astronomers detect seismic ripples in ancient galactic disk
A new snapshot of an ancient, far-off galaxy could help scientists understand how it formed and the origins of our own Milky Way. At more than 12 billion years old, BRI 1335-0417 is the oldest and furthest known spiral galaxy ...
Astronomy
Dec 21, 2023
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