Articles related to "Magnitude"

Find the 20 top brightest stars: learn their names, where they reside, and special facts.

Ophiuchus the Serpent Bearer is sometimes called the 13th constellation of the Zodiac. You can find many globular clusters here on summer evenings.

The small Southern Hemisphere constellations of Corona Australis and Ara are found just south of major zodiac constellations.

Future planetary conjunctions for the year 2008 are highlighted. See planets hover less than one degree apart.

Sagittarius is jam-packed with observing targets because it lies on the densest part of the Milky Way. Find clusters, nebulae, and more!

Aquila's brightest star, Altair, is part of the Summer Triangle. Many dim clusters and nebula pepper this space-borne eagle.

The constellation Scorpius lies on the Milky Way and is filled with stargazing targets.

The southern constellations of Lupus and Norma lie along the Milky Way and are made up of mostly dim stars.

The Southern Cross is probably the most easily identifiable constellations in the Southern Hemisphere. Learn its stars and the cluster known as the Jewel Box.

Which solar system objects can you observe without binoculars or a telescope? Which are the brightest and which are the dimmest?

The constellation of Vela the Sail contains a few bright stars and the Eight-burst planetary nebula.

The Constellation known as the Big Bear holds double stars, galaxies, and a planetary nebula. You can also use it as a guide to star hop across the sky.

Columba and Caelum are two small Southern Hemisphere constellations with few deep-sky observing targets.

A little summer constellation known as Delphinus is a favorite for its close resemblance to a dolphin.

The Southern Hemisphere constellations Triangulum Australe and Circinus are home to two decent open clusters.

On December 16, 1811 the New Madrid Seismic Zone experienced two earthquakes with approximate magnitudes of 8.0. Two more tremors followed in January and February.

Draco the Dragon is visible every clear night in the Northern Hemisphere as it coils around the North Star.

Hercules is a large constellation found in summer skies and containing two easy-to-observe globular clusters.

The Great Square of Pegasus dominates fall evenings. Learn the stars and deep-sky objects found in the Winged Horse.

This Zodiac constellation has few bright stars but one beautiful galaxy.

Lyra is a great target for observers with double stars, a globular cluster, and a planetary nebula.

Crater the Cup is a spring constellation with dim stars and an interesting mythological story.

The Volcanic Explosivity Index, the Richter Scale, the Saffir-Simpson Scale and the Fujita Tornado Scale are used to warn communities of natural hazards.

Locating the spring cluster of galaxies in Coma Berenices.

The fall constellation of Cetus the Whale contains a "wonderful" star known as Mira.

Antlia the Air Pump and Pyxis the Compass are Southern Hemisphere constellations that are home to dim, deep-sky objects.

Corvus the Crow is a small constellation hiding a fabulous galaxy collision and a planetary nebula at its center.

These two south circumpolar constellations host mostly dim stars.

The two Southern Hemisphere constellations named for the Telescope and Microscope are dark corners of the sky.

An earthquake measuring 5.2 on the Richter Scale was felt in the United Kingdom on Wednesday February 27th 2008.

Cassiopeia the Queen is a an average-sized constellation near Polaris often used in pointing the way to the Andromeda Galaxy.

The biggest of all 88 constellations wraps along the Milky Way low in the spring sky and contains three Messier objects.

Libra is an unassuming zodiac constellation located on the ecliptic with an easy double star for binoculars.

The recognizable shape of the constellation Leo the Lion makes it a great target for stargazers and its many galaxies make it attractive for observers using telescopes.

The large constellation of Puppis the Stern lies low in the South and contains Canopus and three of Messier's star clusters.

Many of the constellations close to the South Celestial Pole have dim stars and hard-to-identify shapes.

Get the facts on Gemini the Twins: learn its stars, clusters, mythology, and more!

Bright Venus continues to dominate the West in the evening, joined by Mercury late in the month and Jupiter in the East.

The Hunter shines brightly in winter skies. Learn its stars and nebulae.

Equuleus the Little Horse is a tiny and hard-to-find constellation located in fall skies.

Comet McNaught (2006/P1) skims past the Sun before being hurtled away like a hot potato. Catch it before it makes its close encounter.

The crew of Atlantis will participate in spacewalks as they add trusses to the International Space Station.

Physics uses both scalar and vector quantities. Vectors include magnitude and direction; scalars include only magnitude.

The Zodiac constellation of Capricornus, best viewed in the fall, is home to a beautiful globular cluster.

The constellation of Cepheus the King is north circumpolar and never sets for observers in the Northern Hemisphere.

What are the top sights for binoculars? You can view everything from the moon to distant galaxies. Here are a list of the best binocular targets.

Learn the stars, clusters, and nebula of the constellation Aquarius the Water Bearer.

Asteroids appear bright on certain nights in 2007. Catch asteroid Vesta without a telescope!

Centaurus is home to the closest star to Earth, two of the brightest stars in the sky, and arguably the best globular cluster in the heavens.

Some of the brightest stars of the sky are clustered in the same region and can be seen best during winter evenings.