Saturn: Władca Pierścieni

2002-02-15

Born on today's date in 1564, Galileo used a telescope to explore the Solar System. In 1610, he became the first to be amazed by Saturn's rings. After nearly 400 years, Saturn's magnificent rings still offer one of the most stunning astronomical ...

Portret Układu Słonecznego

2002-02-14

On another Valentine's Day (February 14, 1990), cruising four billion miles from the Sun, the Voyager 1 spacecraft looked back to make this first ever family portrait of our Solar System. The complete portrait is a 60 frame mosaic made from a ...

Wielka Mgławica w Orionie

2002-02-13 Robert Gendler

Few astronomical sights excite the imagination like the nearby stellar nursery known as the Orion Nebula. The Nebula's glowing gas surrounds hot young stars at the edge of an immense interstellar molecular cloud only 1500 light-years away. The ...

Metan Ziemia

2002-02-12

Can you help in reducing this blanket of methane gas that is warming up our Earth? Recent evidence holds that methane (CH4) is second only to carbon dioxide (CO2) in creating a warming greenhouse effect but is easier to control. Atmospheric ...

Mgławica refleksyjna M78

2002-02-11 AAO

An eerie blue glow and ominous columns of dark dust highlight M78, one of the brightest reflection nebula on the sky. M78 is visible with a small telescope toward the constellation of Orion. The dust not only absorbs light, but also reflects ...

Lokalny Obłok Międzygwiazdowy

2002-02-10 American Scientist

The stars are not alone. In the disk of our Milky Way Galaxy about 10 percent of visible matter is in the form of gas, called the interstellar medium (ISM). The ISM is not uniform, and shows patchiness even near our Sun. It can be quite ...

Księżyc nad Mongolią

2002-02-09 Olivier Staiger

Fighting clouds and the glow of city lights, a young Moon shines over the western horizon of Mongolia's capital, Ulaan-Baatar. The thin sunlit crescent is about 2 days old and strongly over exposed in this image taken on March 10, 1997. The night ...

PKS 1127-145: widok kwazara

2002-02-08

The quasar known as PKS 1127-145 lies ten billion light-years from our fair planet. A Hubble Space Telescope view in the left panel shows this quasar along with other galaxies as they appear in optical light. The quasar itself is the brightest ...

Otwór koronalny

2002-02-07

This ominous, dark shape sprawling across the face of the active Sun is a coronal hole -- a low density region extending above the surface where the solar magnetic field opens freely into interplanetary space. Studied extensively from space since ...

Kosmiczne podczerwone tło

2002-02-06

What cosmic wallpaper is on the sky? The answer depends on the type of light considered, and for some wavelengths, all the cluttering material in the foreground makes it still unknown. Recently, however, the background in near infrared light ...