Metallicity – a Term in Astronomy
Metallicity is an astronomical term. It refers to the number of elements heavier than hydrogen and helium. Metallicity and SFR, along with available gas supplies,…
Astronomy
According to a Recent Study, Cosmic Dawn Happened 250 Million to 350 Million Years After the Universe Began, When Stars Appeared for the First Time
According to a recent study headed by academics at University College London (UCL) and the University of Cambridge, cosmic dawn happened 250 million to 350…
HD 136418 – a Star Located in the Constellation Boötes
HD 136418 is a star located 340 light-years away from Earth in the constellation Boötes. It, like Jupiter, has a planet orbiting it. It is…
Quark star – a Hypothetical Celestial Object
A quark star is a hypothetical celestial object with a density somewhere between that of a neutron star and that of a black hole, formed…
Astronomers Discover 3,000-Light-Year “Break” in One of Milky Way’s Spiral Arms
The spiral arm of the Milky Way forms a more complex shape than previously recognized. Shortly after finding a completely extra arm in our own…
Asteroid as Large as a Mountain will Fly near Earth this Weekend
On Saturday, August 21, a potentially dangerous asteroid will safely fly just 3.4 million kilometers (2.1 million miles) from Earth, the closest approach in decades.…
R136a1 – a Massive Wolf–Rayet Star
R136a1 is the most massive and luminous star ever discovered. It is a rare type of massive star with prominent ionized helium and carbon or…
The Dark Energy Survey Studies the Universe’s Largest-Ever Maps of Galaxy Distribution and form, Spanning Over 7 Billion Light-Years
The Dark Energy Survey investigates the largest-ever maps of galaxy distribution and morphologies, spanning more than 7 billion light-years throughout the Universe, in 29 new…
Jeff Bezos is Now Suing NASA for Choosing SpaceX Not Blue Origin in Lunar Contract Row
The relationship between Jeff Bezos’s Blue Origin and NASA seems to have worsened, as Bezos’s space agency has officially sued the space agency for not selecting him…
Fizzing Sodium Maybe why Asteroid Phaethon has a Very Comet-like Tail
The asteroid 3200 Phaeton is the archaeological sungrazer and shows some strange behavior in the warmest part of its orbit. After the comet famously evaporates…
Dyson Spheres around Black Holes could be a Phenomenal Power Source for Alien Civilizations
Dyson spheres are theoretical megastructures that advanced civilizations can use to extract as much energy as possible from a star. Researchers now ask: If you wanted…
Regulus – a Brightest Star in the Leo Constellation
The brightest star in the Leo constellation is Regulus, also known as Alpha Leonis. It is the brightest object in the constellation Leo, as well…
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