What Are The Heaviest Stars? R136a1 is the heaviest star, with 265 times the sun’s mass. UY Scuti is just plain big, with a radius 1,700 times that of our sun. R136a1 is the heaviest star, with 265 times the sun’s mass. … List of most massive stars. Enjoying EarthSky so far? How heavy is
What Are The Spiral Arms Of A Spiral Galaxy Made Up Of? The arms of a spiral galaxy have lots of gas and dust, and they are often areas where new stars are constantly forming. The bulge of a spiral galaxy is composed primarily of old, red stars. Very little star formation goes on in
What Are The Three Possible Outcomes For The Universe? The three possible outcomes include: an open universe, in which the expansion will never stop; a closed universe, in which the expansion will stop and turn into a contraction; and a flat universe, in which the expansion will slow to a halt in time—but it will
What Are The Types Of Galaxy? Astronomers classify galaxies into three major categories: elliptical, spiral and irregular. These galaxies span a wide range of sizes, from dwarf galaxies containing as few as 100 million stars to giant galaxies with more than a trillion stars. How many types of galaxy are there? There are four main
What Are The Theories Of The Origin Of The Universe? The widely accepted theory for the origin and evolution of the universe is the Big Bang model, which states that the universe began as an incredibly hot, dense point roughly 13.7 billion years ago. What are the theories on the origin of the universe and
What Are The Hypotheses Explaining The Origin Of The Universe? The Big Bang theory is universally accepted by those who do research on the development of the universe, galaxies, and stars as the cause of the origin of the universe. The Big Bang theory says that the universe has developed by expanding from a hot
What Are The Types Of Cosmology? Physical cosmology (Wikipedia), incorporating physics, astrophysics, and astronomy; Religious cosmology (Wikipedia), involving origin stories and mythologies from religious traditions; What kind of science is cosmology? Cosmology is a branch of astronomy that involves the origin and evolution of the universe, from the Big Bang to today and on into
What Are The Stages Of The Universe? The book divides the timeline of the universe into five eras: the primordial Era, the Stelliferous Era, the Degenerate Era, the Black Hole Era and the Dark Era. What are the stages of formation of the Universe? Step 1: How It All Started. … Step 2: The Universe’s
What Are The Three Types Of Star Clusters? There are three types of star clusters: globular, open, and associations. How many stars are in a cluster? Globular clusters contain several thousand to one million stars in spherical, gravitationally-bound system. Located mostly in the halo surrounding the galactic plane they comprise the oldest stars in the
What Did Hubble Discover In The 1920s Quizlet? Hubble, who, in the 1920’s, found galaxies beyond the Milky Way and discovered that the universe is expanding. What did Edwin Hubble discover quizlet? What did Edwin Hubble be the first to identify and what did he discover about galaxies? The first astronomer to identify other galaxies