Articles with tagged Density


information about the milky way

Information About The Milky Way

Like early explorers mapping the continents of our globe, astronomers are busy charting the spiral structure of our galaxy, the Milky Way.  Nov 8, 2017 ... Using infrared images from NASA's Spitzer S [ReadMore..]

dna letters

Dna Letters

Engineered microbes use unnatural DNA bases to make life’s building blocks Engineered microbes use unnatural DNA bases to make life's building blocks ... Now, scientists have developed the first bac [ReadMore..]

the universe is flat

The Universe Is Flat

Jan 24, 2014 ... WMAP has confirmed this result with very high accuracy and precision. We now know (as of 2013) that the universe is flat with only a 0.4% margin ... [ReadMore..]

melting point of gold element

Melting Point Of Gold Element

From its relatively low melting point to its yellow hue, gold possesses a combination of unique properties that set it apart from every other element in the periodic table. Jul 16, 2019 ... From its r [ReadMore..]

universe is flat

Universe Is Flat

Not a curve in sight, as far as the eye can see. Apr 7, 2015 ... In a flat universe, Euclidean geometry applies at the very largest scales. This means parallel lines will never meet, and the internal [ReadMore..]

quantum physics entanglement in relationships

Quantum Physics Entanglement In Relationships

For Valentine's Day, a story about "entangled" particles, sensitive to each other no matter how far apart they may be. Feb 12, 2016 ... This idea, called "entanglement," is part of the branch of physi [ReadMore..]

bekenstein entropy

Bekenstein Entropy

We examine models of fermions with infinite-range interactions which realize non-Fermi liquids with a continuously variable U(1) charge density $\mathcal{Q}$, and a non-zero entropy density $\mathcal{ [ReadMore..]

black hole singularity explained

Black Hole Singularity Explained

In the center of a black hole is a gravitational singularity, a one-dimensional point which contains a huge mass in an infinitely small space, where density ... [ReadMore..]

black hole singularity size

Black Hole Singularity Size

Jun 29, 2009 ... Such black holes generically contain a spacetime singularity at their ... is one that is both inextendible and of finite proper length, ... [ReadMore..]

origin of the universe theories

Origin Of The Universe Theories

The term "evolution" usually refers to the biological evolution of living things. But the processes by which planets, stars, galaxies, and the universe form and change over time are also types of "evo [ReadMore..]

beginning of universe theories

Beginning Of Universe Theories

S By far the most popular theory in science today is the big bang theory, the idea that the universe came into existence at a certain point in time roughly 15 to ... [ReadMore..]

dark energy accelerated expansion

Dark Energy Accelerated Expansion

Physicists have proposed extra cosmic ingredients that could explain the faster-than-expected expansion of space. Apr 27, 2020 ... An extra dose of dark energy in the early universe, dubbed early dark [ReadMore..]

flat universe

Flat Universe

Dec 7, 2016 ... When we examine very old light — say, the cosmic microwave background — that has been traveling the universe for more than 13.8 billion years, ... [ReadMore..]

universe expands

Universe Expands

In just 100 million years, the universe could start to shrink, new research suggests. May 2, 2022 ... After nearly 13.8 billion years of nonstop expansion, the universe could soon grind to a standstil [ReadMore..]

geometries of the universe

Geometries Of The Universe

According to Einstein's theory of General Relativity, the Universe could take one of three forms: flat like a piece of paper, closed like a sphere, or open like a saddle. Apr 26, 2022 ... According to [ReadMore..]

cosmological

Cosmological

These data are consistent with the six-parameter inflationary LCDM cosmology. From the Planck temperature and lensing data, for this cosmology we find a ... [ReadMore..]

why is the universe flat

Why Is The Universe Flat

"This result shows the power of galaxy surveys to pin down the amount of dark energy and how it evolved over the last billion years." By improving the way astronomers measure the impact of dark energy [ReadMore..]

shape of the universe nasa

Shape Of The Universe Nasa

We have long thought the universe was flat. New research shows it could be curved, and that raises questions about our understanding of the cosmos. Nov 6, 2019 ... Figure from the 1600s showing Ptolem [ReadMore..]

saturn ring thickness

Saturn Ring Thickness

NASA’s real-time science encyclopedia of deep space exploration. Our scientists and hardworking robots are exploring the wild frontiers of our solar system. Sep 25, 2018 ... Cassini studied features [ReadMore..]

saturn rings images

Saturn Rings Images

In its final year, Cassini plunged where no spacecraft had plunged before, down in the space between Saturn and its rings. Again and again it dove, for a total of 22 orbits. In the data collecting dur [ReadMore..]

closed universe

Closed Universe

There are basically three possible shapes to the Universe; a flat Universe (Euclidean or zero curvature), a spherical or closed Universe (positive ... [ReadMore..]

is the universe curved

Is The Universe Curved

The 'holographic principle,' the idea that a universe with gravity can be described by a quantum field theory in fewer dimensions, has been used for years as a mathematical tool in strange curved spac [ReadMore..]

is the universe flat

Is The Universe Flat

Dr Andrew Fabian, Cambridge University Institute for Astronomy x-ray astronomer, finds supermassive Perseus galaxy black hole is emitting cosmic hum in b-flat; structural issues regarding black holes [ReadMore..]

curvature of the universe

Curvature Of The Universe

When you're inside something, it's hard to see its shape. We're still finding out new things about the shape of our galaxy. Nov 5, 2019 ... The clue to the Universe's curvature, they say, is in the wa [ReadMore..]

is our universe flat

Is Our Universe Flat

All possible Universes are finite since there is only a finite age and, therefore, a limiting horizon. The geometry may be flat or open, and therefore infinite ... [ReadMore..]

flat universe definition

Flat Universe Definition

This is fully understandable in terms of general relativity because a globally spatially flat universe, by definition, must have a net zero energy density. [ReadMore..]

is the universe flat nasa

Is The Universe Flat Nasa

The most powerful telescope ever built is scheduled to launch on December 18. The James Webb Space Telescope will peer into the atmospheres of exoplanets, some of which are potentially habitable, and [ReadMore..]

what shape is the universe

What Shape Is The Universe

According to Einstein's theory of General Relativity, the Universe could take one of three forms: flat like a piece of paper, closed like a sphere, or open like a saddle. Feb 26, 2022 ... According to [ReadMore..]

what does flat universe mean

What Does Flat Universe Mean

Dec 4, 2017 ... No, being flat and being homogeneous is not equivalent†. Flatness refers to the geometry, which depends on the total energy density ρ; ... [ReadMore..]

flat universe theory

Flat Universe Theory

Whenever we talk about the expanding universe, everyone wants to know how this is going to end. Sure, they say, the fact that most of the galaxies we can see are speeding away from us in all direction [ReadMore..]