Sentences with phrase «small galaxy shape»
This measurement requires extremely precise estimation of very small galaxy shape distortions, in the presence of far larger intrinsic galaxy shapes and distortions due to the blurring kernel caused by the atmosphere, telescope optics, and instrumental effects.
https://arxiv.org/ Not exact matches
A spiral galaxy (same goes for a spherical planet, a galaxy cluster, a comet) is shaped by forces big and small that rely on the physical properties of matter, energy, dark energy, and dark matter.
«At certain frequencies of rotation, the bacteria self - organize into a spiral - shaped halo, creating a microscopic galaxy — similar to our galaxy Milky Way, but trillions of trillions (1024) of times smaller,» Sokolov said.
Hammer says the simulations show that these unusual shapes and internal motions can be the result of two smaller galaxies colliding.
The galaxy's distorted shape is largely due to its interaction with a smaller companion, IC 4970, seen here just above the main galaxy's core.
The discovery that many small galaxies throughout the universe do not «swarm» around larger ones like bees do but «dance» in orderly disc - shaped orbits is a challenge to our understanding of how the universe formed and evolved.
NGC 6822, about 1.6 million light - years away, is classified as an irregular dwarf galaxy because of its odd shape and relatively small size compared with other galaxies, such as our own, the Milky Way, and its other neighbors, the Andromeda and Triangulum galaxies.
The Hubble analysis shows the galaxies are small, irregularly shaped objects measuring just a few thousand light - years across.
In fact, the ring - like shape is the result of the gravitational disruption caused by a small intruder galaxy passing through a large one, compressing the interstellar gas and dust, and causing a wave of star formation wave to move out from the impact point like a ripple across the surface of a pond.
Precise shape measurements of faint and apparently small galaxies are required.
About 1,000 light - years across, the twisted cosmic dust cloud apparently shaped like a parallelogram is likely the result of a smaller spiral galaxy falling into the giant Centaurus A.
In addition to the familiar spiral and elliptical shapes, astronomers have found a small population of galaxies with peculiar appearances.
Early galaxies about 11 billion years ago tended to be small, bluish, and peculiarly shaped (more).