Behind CL1358+62: A New Farthest Object

1997-07-31

What if we could see back to the beginning of the universe? At one tenth the universe's present age, we might see galaxies forming. But what did galaxies look like when they were forming? These questions took a step toward being answered ...

Eagle Castle

1997-07-30

What lights up this castle of star formation? The familiar Eagle Nebula glows much like a neon sign, but in many colors at once. The above photograph is a composite of three of these glowing gas colors. In particular the glowing red Sulfur gas ...

Strange Rocks on Mars

1997-07-29

The rocks on Mars tell us stories about their past. To decipher these stories, a scientist must become a detective, searching for clues and fitting them with theories. The above photograph of the rocky Martian surface to the northeast of ...

Help Aldebaran Map the Moon

1997-07-28 F. B. Catala

Turn on your camcorder, go outside, and become an astronomer. How?. Tomorrow morning, our Moon will pass directly in front of Aldebaran, the brightest star in this picture and in entire constellation of Taurus. Aldebaran is visible to the left ...

A Very Large Array of Radio Telescopes

1997-07-27 S. Winfrey

Pictured above is one of the world's premiere radio astronomical observatories: The Very Large Array (VLA). Each antenna dish is as big as a house (25 meters across) and mounted on railroad tracks. The VLA consists of 27 dishes - together capable ...

M81 in True Color

1997-07-26

Here's is a spiral galaxy in true colors. Previously, M81 was shown in two colors only, but M81's real colors are just as dramatic. In the above picture, note how blue the spiral arms are - this indicates the presence of hot young stars and ...

Mars Pathfinder's Landing Site

1997-07-24

Where is Mars Pathfinder? Follow the arrow in the above picture taken by the Viking Orbiter in 1976. From the surface Mars appears covered with rocks, but from orbit Mars appears covered with craters. However, several familiar features are ...

A Hale-Bopp Triple Crown

1997-07-23 D. Cooke

It was truly a busy sky. In one of the more spectacular photos yet submitted to Astronomy Picture of the Day, Don Cooke of Lyme, New Hampshire caught the Sun, Moon, Earth, night sky, Pleiades star cluster, and Comet Hale-Bopp all in one frame. ...

A Presidential Panorama of Mars

1997-07-22

Scroll right to unfold the latest panorama of the surface of Mars. For best viewing, click and hold on the right arrow icon at the bottom of your browser window. This image, released yesterday and dubbed a "presidential panorama" by the Mars ...

In the Center of the Keyhole Nebula

1997-07-21 AAO

Stars, like people, do not always go gentle into that good night. The above Keyhole Nebula results from dying star Eta Carinae's violently casting off dust and gas during its final centuries. Eta Carinae is many times more massive than our own ...