any of the elongated and curved spiral sections that are connected to the center of a spiral galaxy.
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How to use spiral arm in a sentence
That suggests FRBs originate with ordinary young stars — not the youngest, most massive stars that occupy the brightest knots in the spiral arms, but not the oldest and dimmest stars that have drifted away from their homes, either.Some fast radio bursts come from the spiral arms of other galaxies | Lisa Grossman | June 1, 2021 | Science News
The fast radio bursts, or FRBs, come from the spiral arms of their host galaxies, researchers report in a study to appear in the Astrophysical Journal.Some fast radio bursts come from the spiral arms of other galaxies | Lisa Grossman | June 1, 2021 | Science News
They ascertained that magnetic field lines arc both clockwise and counterclockwise along the spiral arms of the galaxy and emanate vertically from the galactic disk, twisting as they rise.Cosmic Map of Ultrahigh-Energy Particles Points to Long-Hidden Treasures | Natalie Wolchover | April 27, 2021 | Quanta Magazine
As the Earth orbits the sun, the sun also moves, traveling around the Milky Way galaxy, carried by a spiral arm in the direction of the constellation Cygnus.The dark matter mystery deepens with the demise of a reported detection | Tom Siegfried | March 24, 2021 | Science News
It neglects the clumping of stars into spiral arms, which the group hopes to consider in future research.Stars are dying all across the galaxy—why don’t we see them? | Charlie Wood | December 16, 2020 | Popular-Science