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The furthest objects visble in the sky are called?
The furthest objects visible in the sky are called galaxies. These vast systems of stars, dust, and gas are located millions or even billions of light-years away from us. Examples include the Andromeda galaxy and the Triangulum galaxy.
Why are pictures from the Hubble glimpses into the past?
At very short distances, like the ones we encounter every day (i.e., watching TV or turning a bedroom light on) light appears to take no time to travel. In reality, it moves at a very definite speed: c (186,000 miles per second). Over very great distances like those found in outer space, the time lapse is noticeable. If light leaves a star ten light-years away (ten times the distance light can travel in a year), it will take ten years for light to travel the distance. Thus, when that light enters our eyes here on earth, we are actually seeing the star as it was ten years in the past. Light leaving the star at that exact moment will not arrive on earth for another ten years. So the entire sky we see at night is actually quite old. When the Hubble collects light and forms images, they are actually pictures of the past. Such photos as the Hubble Ultra Deep Field are taken of galaxies that are billions of light years away. Thus, the light seen from those galaxies is one billion years old.
Compare and contrast the three types of galaxies?
Galaxies that appear to have a bulge in the middle and arms that spherical outward, like pinwheels, are spherical. Elliptical galaxies look like round or flattened balls. Galaxies that do not have regular shapes are known as irregular galaxies.
What do the lines in the spectra of most galaxies shifted toward the red end of the spectrum show?
The strongest consensus (nearunanimous of the astronomical community is that the redshifts of distant galaxies indicate that all distant galaxies arerecedingfrom us. This recession is currently the only known mechanism for redshifting light. Take this inference, that all galaxies arereceding and you are led to the idea that the universe is expanding, a phenomena described by Hubble's Law. This is a central tenet to the Big Bang Theory.I will include the counterpoint originally described below, but I will point out that the papers cited are very old, and a huge number of corroborating observations and predictions of the big bang haveoccurredsince then.The conclusion that the Universe is expanding is a wrong conclusion. Alan Sandage talks about Hubble's position at the related link below.To the very end of his writings he maintained this position, favouring (or at the very least keeping open) the model where no true expansion exists, and therefore that the redshift "represents a hitherto unrecognized principle of nature". This viewpoint is emphasized (a) in The Realm of the Nebulae, (b) in his reply (Hubble 1937a) to the criticisms of the 1936 papers by Eddington and by McVittie, and (c) in his 1937 Rhodes Lectures published as The Observational Approach to Cosmology (Hubble 1937b). It also persists in his last published scientific paper which is an account of his Darwin Lecture (Hubble 1953).
How far away is the hubble deep field object to earth?
Light telescopes with a diameter of 30-50 meters are currently planned; probably larger ones will be built in the future. I believe the largest radio telescope has a diameter of about 300 meters. On the other hand, it is possible to connect (through a technique called interferometry) telescopes that are thousands of kilometers apart, so they have the resolving power (but not the light-gathering capacity) of a single telescope that size.
How many galaxies are in the Hubble Ultra Deep Field?
There are at least 3000 galaxies in the Hubble Deep Field North (with billions of stars, planets, and moons in each one; as well as asteroids and nebulae). Their light has taken 13 billion years to reach Earth.
How are galaxies most commonly classified in the field of astronomy?
Well, isn't that just a delightful question! Galaxies, my oh my, they are commonly classified based on their shapes - things like spiral, elliptical, and irregular. It's like painting the stars with different brushstrokes, each one unique and special in its own way. Keep exploring the universe, there's so much beauty out there waiting to be discovered.
How old is hubble?
Edwin Hubble was born on November 20, 1889 and died on September 28, 1953. Edwin Hubble would have been 63 years old at the time of death or 125 years old today.
Are elliptical galaxies very bright and old?
Elliptical galaxies are generally old but not very bright
How old is Edwin Hubble?
Edwin Hubble was born on November 20, 1889 and died on September 28, 1953. Edwin Hubble would have been 63 years old at the time of death or 125 years old today.
How old are barred galaxies?
Barred galaxies per se do not exist. They are just a sub category of spiral galaxies of which about 2/3rds are barred spiral galaxies.
How old is Mildrid Hubble?
Mildred Hubble is a fictional character from The Worst Witch series by Jill Murphy. Mildred is twelve years old when she joins the Academy.
In Pokemon ranger Shadows of Almia what is Pokemon 262?
Porygon Z deep in the old field hideout
Is the hubble telescope 19 years old?
yes it is
Who did Edwin Hubble marry?
Astronomer, Edwin Hubble, married Grace Burke on February 26, 1924. A veteran of the United States Army, Hubble is remembered for Hubble's Law, which tells us the universe is expanding. The Hubble Space Telescope is named after him.
Is this true an elliptical galaxy has mostly old stars?
Both - all galaxies contain young and old stars.
The furthest objects visble in the sky are called?
The furthest objects visible in the sky are called galaxies. These vast systems of stars, dust, and gas are located millions or even billions of light-years away from us. Examples include the Andromeda galaxy and the Triangulum galaxy.
