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A tiny stellar system may be a 'satellite of a satellite'
المصدر: Phys.org - latest science and technology news stories · نُشر
Astronomers using data from the Euclid space telescope have discovered an exceptionally faint stellar system near the Fornax dwarf galaxy. Called Fornax-7, it appears to contain only about 170 times the mass of the sun in stars. The discovery paper was posted to the arXiv preprin
Astronomers using data from the Euclid space telescope have discovered an exceptionally faint stellar system near the Fornax dwarf galaxy. Called Fornax-7, it appears to contain only about 170 times the mass of the sun in stars. The discovery paper was posted to the arXiv preprint server on Sept.
13.
أخبار ذات صلة
First stellar stream beyond the Milky Way could reveal dark matter
Astronomers have discovered the first globular cluster stellar stream beyond the Milky Way, opening a new way to study dark matter in distant galaxies. These faint trails of stars trace a galaxy’s gravitational structure and could eventually help scientists map invisible matter a
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Worm experiments reveal how epigenetic effects persist across generations
Every cell in an organism contains the same DNA, which carries all the instructions needed for it to function. Yet cells do not all use the same genes: A nerve cell, for example, does not activate the same genes as a muscle cell. Epigenetics refers to the mechanisms that allow ge
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NASA tests dual mode propulsion CubeSat ahead of launch
Spacecraft propulsion traditionally relies on volatile fuels and separate, bulky systems for different types of maneuvering in space. NASA is working to change that. Engineers at NASA's Marshall Space Flight Center in Huntsville, Alabama, recently completed a series of environmen
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One of Canada's worst invasive species may have arrived naturally
Most invasive species are introduced into the areas where they become damaging. That's part of why they tend to be so successful in taking over new environments and causing billions of dollars in damage.
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Watch: SpaceX launches Starship rocket into orbit for first time
Until now, all Starship flights have been suborbital, meaning the capsules did not complete a loop around the Earth.
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