VIRGO

| VIRGO Chart | Midnight Culmination | Skylore | Description | Special Stars |
| Galaxies | Discussed in these Shows |

Constellation Data

  • Name: VIRGO
  • Translation: Maiden
  • Abbreviation: Vir
  • Genitive: Virginis
  • Size: 2
  • Regions: Zodiac
  • Located Between: Leo.htm">Leo, Libra
  • RA: 13 hours
  • Decl: -5 degrees
  • Season: Spring
  • Midnight Culmination: April 11
  • Pages where VIRGO is discussed in Chet Raymo's 365 Starry Nights: 79,87-90



What is the Genitive form?
What is Right Ascension (RA)?
Is this constellation ever visible from my latitude? What is Declination?

Where should I look for a constellation on a date before or after its midnight culmination? What is Midnight Culmination?

Skylore

Goddess of agriculture and harvest-time, holding a shock of wheat.

Description

Continue past Arcturus on the curve from the Dipper's handle ("Arc to Arcturus, then speed on to Spica"). To "Speed on to Spica," go the same distance as it took to reach Arcturus. If it's not below the horizon, Spica is the brightest star of the constellation Virgo the Maiden. Although Virgo is the second largest constellation in the sky, the rest of its stars are faint. Yet don't be surprised if you often see a bright visiting planet nearby.

Virgo was long ago recognized for its importance, since it contains the Sun on the day of the Autumn Equinox. Spica lies nearly on the path the Sun follows across the sky, which is called the ecliptic. You won't see this constellation in the early autumn, for then Virgo lies in the daytime sky.

[star chart]


Star chart created with Voyager II Software for Macintosh, published by Carina Software. This is just a taste of what Voyager can do! For info on Voyager II software, call Carina Software at (510) 355-1266, write them at 12919 Alcosta Blvd Suite #7, San Ramon, CA 94583, or visit Carina Software's home page and check out Voyager II for yourself.

Special Stars

Contains a powerful quasar.

Table of 25 Brightest Stars.
What is apparent stellar magnitude?

Galaxies

The Virgo Cluster of galaxies is justly famous as a remarkable part of the sky, well-known to deep-sky observers, about 40,000,000 Light Years away from the Milky Way. The Virgo Cluster of galaxies contains perhaps 3,000 galaxies. To see these beautiful galaxies we must turn a powerful telescope to sweep the sky between the constellations of Virgo the Virgin and Leo the Lion, near the small constellation Coma Berenices (Berenice’s Hair). In a telescope we see them as they were 30-50 million years ago. M87 is one of the brightest galaxies in the Virgo Cluster. Much nearer to us than the Virgo Cluster is one of my deep-sky favorites, the spectacular Sombrero Galaxy, only 25 million light years away.

Now, all the stars that are visible to the naked eye lie within our own Milky Way galaxy. This means that the stars that make up all the constellations, including Virgo and Leo and Coma Berenices, are stars of our own galaxy. The galaxies we see in these constellations are not actually located in the constellations, they are only viewed along the same line of sight. Were we to actually go to another galaxy, even the Andromeda galaxy (which is the closest major galaxy to the Milky Way, only 2.2 million light years away), then the stars of the Milky Way would not be distinguishable. It makes no sense to talk of Andromeda or Virgo as seen from another galaxy, since from another galaxy any observer would see all of the Milky Way stars together, just as we see a small patch of fuzzy light when we look at the Andromeda galaxy. It is not that Andromedans would see our constellation Andromeda differently; they would not distinguish it from the Milky Way at all.

Elliptical galaxies: M49, mag. 8.5. M60, mag. 9.0. M84, mag. 9.4. M86, mag. 9.2. M87, mag. 8.7. M89, mag. 10.3.

Spiral galaxies: M58, mag. 9.9. M59, mag. 10.0.

M61, mag. 9.6. M90, mag. 9.6.

M104, Sombrero Galaxy (Spiral galaxy), mag. 8.3.

What are Galaxies?
Table of Messier Objects.
What is apparent Magnitude?

Discussed in these Shows

[Small Logo] ©1997 Welcome to the Basic Celestial Phenomena web site. To provide explanations of basic observational astronomy to students, teachers, families, and visitors to planetariums these pages have been written by an ex-OBU Planetarium Director, Kerry Magruder; the OBU Natural Sciences Coordinator, Mike Keas; and some of the students who work in the OBU planetarium.

The source for the logo is not a medieval woodcut!

These web pages may be printed, copied, and distributed for educational use by any non-profit educational group so long as they are not edited or altered in any way, nor distributed for profit, nor repackaged or incorporated into any other medium or product, and so long as full credit is given to Kerry Magruder.

If you find a link that does not work, please tell us which link does not work--and which page you are on. Contact us by Email with general inquiries or suggestions. Thank you.

Basic Celestial Phenomena
Constellations index
Planetarium
Basic Celestial Phenomena

Constellations

Not a Medieval Woodcut

Planetarium pages

Theories of the Earth

EarthVisions.net
Geology
History of Science

 

Page made with HyperNote Kerry Magruder, Home page or Email