How does our Milky Way galaxy get its spiral form?
A question that has long puzzled scientists is how our Milky Way galaxy which has an elegant spiral shape with long arms, took this form.
A question that has long puzzled scientists is how our Milky Way galaxy which has an elegant spiral shape with long arms, took this form.
Astronomy
Dec 14, 2019
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Figuring out how much energy permeates the center of the Milky Way—a discovery reported in the July 3 edition of the journal Science Advances—could yield new clues to the fundamental source of our galaxy's power, said ...
Astronomy
Jul 3, 2020
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Astronomers have released a gargantuan survey of the galactic plane of the Milky Way. The new dataset contains a staggering 3.32 billion celestial objects—arguably the largest such catalog so far. The data for this unprecedented ...
Astronomy
Jan 18, 2023
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In a landmark study, scientists using NASA's Hubble Space Telescope have mapped the immense envelope of gas, called a halo, surrounding the Andromeda galaxy, our nearest large galactic neighbor. Scientists were surprised ...
Astronomy
Aug 27, 2020
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NASA's Fermi Gamma-ray Space Telescope has found a signal at the center of the neighboring Andromeda galaxy that could indicate the presence of the mysterious stuff known as dark matter. The gamma-ray signal is similar to ...
Astronomy
Feb 21, 2017
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The James Webb Space Telescope has spotted six massive galaxies that emerged not long after the Big Bang, a study said Wednesday, surprising scientists by forming at a speed that contradicts our current understanding of the ...
Astronomy
Feb 26, 2023
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The Milky Way galaxy has died once before, and we are now in what is considered its second life. Calculations by Masafumi Noguchi (Tohoku University) have revealed previously unknown details about the Milky Way. These were ...
Astronomy
Aug 22, 2018
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MIT physicists are reigniting the possibility, which they previously had snuffed out, that a bright burst of gamma rays at the center of our galaxy may be the result of dark matter after all.
General Physics
Dec 12, 2019
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The universe is expanding, but how fast exactly? The answer appears to depend on whether you estimate the cosmic expansion rate—referred to as the Hubble's constant, or H0—based on the echo of the Big Bang (the cosmic ...
Astronomy
Apr 4, 2023
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The first stars of the universe were monstrous beasts. Comprised only of hydrogen and helium, they could be 300 times more massive than the sun. Within them, the first of the heavier elements were formed, then cast off into ...
Astronomy
Dec 23, 2023
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