they flew away from earth and out to the galaxy

they flew away from earth and out to the galaxy

Mergers can result in significant changes to morphology, as compared to the original galaxies. The stream is thought to have been dragged from the Magellanic Clouds in tidal interactions with other galaxies. The resulting disk of stars would be seen as a band on the sky from our perspective inside the disk. Taking dark matter into account results in an approximately twentyfold increase in mass for the Galaxy.

These are categorized as irregular galaxies. Common form is the elliptical galaxy,5 which has an ellipseshaped light profile. Journey to the birth of the Universe. After galaxies external to the Milky Way. In the beginning the first sources of light and the reionization of the universe. The proposed likely interpretation is that a dwarf galaxy is merging with the Milky Way. Searching the photographic record, he found 11 more novae. As a result this period has been called the Dark Ages.

On the accretion origin of a vast extended stellar disk around the Andromeda galaxy. Open clusters also occur primarily in the disk. Recent discoveries have added dimension to the knowledge of the Milky Ways structure. Compositions of halo clusters and the formation of the galactic halo. These tiny galaxies are about one hundredth the size of the Milky Way, containing only a few billion stars. They are huge agglomerations of stars like our Sun, counting several millions to several trillions. Thus this results in several spiral arms where there are a lot of stars and gas. Circumnuclear regions in barred spiral galaxies II.

Associations of galaxies can overcome this expansion on a local scale through their mutual gravitational attraction. An IrrI galaxy has some structure but does not align cleanly with the Hubble classification scheme. Gas accretion on spiral galaxies Bar formation and renewal. Extending beyond the stellar disk is a much thicker disk of gas. Therefore, they consist of old population IIstars only, or at least chiefly. Extending outward from the bulge are relatively bright arms. It is composed primarily of red stars, believed to be four major spiral arms which all start at the Galaxys center. The starformation history of the Universe from the stellar populations of nearby galaxies. It consists of a barshaped core region surrounded by a disk of gas, dust and stars. The spiral arms are thought to be areas of high density matter, or density waves.

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Hubble Space Telescope-Seeing Beyond the Milky Way
By: Eriani Doyel

The Hubble Space Telescope has allowed scientists and the rest of the world a look into outer space that was not even imagined one hundred years ago. In fact, it is only in the last one hundred years that it was discovered that there are millions of galaxies beyond ours and that the universe is constantly expanding. Since its launch in 1990 this telescope has been an invaluable source of information to astronomers and scientists throughout the world. As the Hubble Space Telescope orbits its way around the earth once every 95 minutes, it continues to gather more knowledge about not only our galaxy but the ones beyond as well.

A timeline of Hubble Space Telescope History:

1924--Edwin Hubble looked up into the night sky to disprove the theory of a single galaxy. He proved that rather than just gasses and dust, the universe was filled with other galaxies. He was the first to prove that our universe was continuing to grow and expand. However, he did not have the benefit of the tools we have available today, so his knowledge was still somewhat limited although his vision was far-reaching.

1924-1983--the concept of a Large Space Telescope (LST) was conceived, designed, revised and developed and implemented. In 1985, the LST was renamed the Hubble Space Telescope, to honor the man who started it all.

1990--After delays with its launch due to conflicts with the launch of the space shuttle, the Hubble Space Telescope was sent into orbit.

1994--the telescope took pictures of a comet collision, and detailed photos of Pluto, as well as giving us a greater knowledge of Neptune and Uranus.

1995--the Hubble took pictures of the “birth” of a star as it developed from interstellar clouds.

1996--Photos from the Hubble Space Telescope show that quasars are actually nuclei which illuminate when a black hole uses energies from surrounding gases and stars.

1997--The Hubble takes pictures which prove that black holes are bigger than the sun.

1998--The most detailed pictures of the planets in our solar system are taken.

2004--The Hubble Space Telescope was able to document in pictures how, when, and why stars die and using the Hubble Ultra Deep Field technology, to take pictures of the expanding universe unlike any that had previously been taken. It also took pictures of Mars when it was closer to Earth than it had been in 60,000 years.

2005—Took pictures of a comet with a projected piece of equipment from the Hubble Space Telescope.

Future Developments—The Hubble Space Telescope’s mission is scheduled to end with this decade. Astronauts will go up, make repairs and assess the future usefulness of this tool in deep space discovery and a decision will be made about whether it should be discontinued or remain in service. But, no matter what decision is made, this telescope has been an amazing resource for a broader understanding of space and its limitless possibilities. Thank you, Mr. Hubble.

Eriani Doye writes ideas for home and family. To find resources for

telescopes visit telescopecom.com.

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