Sentences with phrase «on galaxy shape»

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.

These peculiar galaxies are like a natural experiment played out on a cosmic scale and by cataloguing them, astronomers can better understand the physical processes that warp spiral and elliptical galaxies into new shapes.

Such mergers could give themselves away by their effect on the shapes of the black holes» parent galaxies, and in infrared and ultraviolet afterglows.

The galaxies transform into a huge variety of shapes as they interact, some of which resemble familiar things on Earth.

But the galaxies pull strongly on one another via gravity, distorting their shapes and ripping stars and gas clouds off each other to form so - called tidal tails.

Astronomers are now using the largest existing telescopes on the ground and in space to better assess the composition, size and shape of the newly discovered ancient galaxies.

«This new insight may force us to rethink the whole cosmological context of how galaxies burn out early on and evolve into local elliptical - shaped galaxies,» said study leader Sune Toft of the Dark Cosmology Center at the Niels Bohr Institute, University of Copenhagen, Denmark.

They found four smudges of light — possibly galaxies — in the area, as well as a blob - shaped galaxy full of ancient stars on the region's periphery.

They used a supercomputer to simulate the effect that living in a giant cluster of galaxies has on the shape and color of its members.

But if the theory of dark matter is correct, then the speed of stars rotating on the galaxy's outskirts should also depend on the shape of the galaxy's dark matter halo.

Even though the flat, disc - shaped galaxy was getting on a bit, it had a svelte spiral figure to be proud of.

NGC 4460 (centre) is an excellent example of a lenticular (lens - shaped) galaxy seen almost edge on.

The elliptical galaxy's mass = k × (velocity dispersion) 2 × (the distance the stars are from the galaxy center) / G, where k is a factor that depends on the shape of the galaxy and the angle the galaxy is from Earth.

Studying the effect of dark energy on large - scale structure involves measuring subtle distortions in the shapes of galaxies arising from the bending of space by intervening matter, a phenomenon known as «weak lensing.»

For example, if the dark matter blob were shaped like an American football standing on its end, it could cut right through the center of the galaxy.

With current observations suggesting that dark energy comprises more than 70 percent of the matter - energy density of the present - day universe, astronomers say that measuring the apparent shapes and the distribution of galaxies in the Universe will constrain the nature of dark energy and allow them to examine whether the general theory of relativity is still a valid description of gravitation on scales of billions of light years.

With new galaxies and a stable software platform, Galaxy Zoo is in good shape to carry on producing excellent science.

of the southern galactic sky, measuring positions on the sky, shapes and redshifts of about 300 million galaxies and 15000 galaxy clusters.

A newly «ancient» galaxy may help us better understand how and why galaxies take on their many beautiful shapes and forms.

Inspired by Mythical Greek symbols and shapes in the galaxy, this earring features double open hoops adorned with two charms on each side.

And then, just as I'm teetering on the brink of mental implosion, something extraordinary happens: I move from a galaxy to a 2 - dimensional shape, and Everything places both hands on my back and pushes.

Work together with friends to shape the galaxy, protect each other on a risky trade... Read More»