Uran: Przechylona planeta

1997-11-15

Uranus is the third largest planet after Jupiter and Saturn. This picture was snapped by the Voyager 2 spacecraft in 1986 - the only spacecraft ever to visit Uranus. Uranus has many moons and a ring system. Uranus is composed mostly of rock and ...

Galaktyka nieregularna Sextans A

1997-11-14

Grand spiral galaxies often seem to get all the glory. Their newly formed, bright, blue star clusters found along beautiful, symmetric spiral arms are guaranteed to attract attention. But small irregular galaxies form stars too, like this lovely, ...

Mars: A Sheer Close-up

1997-11-13

As the Mars Global Surveyor spacecraft maneuvers toward its final mapping orbit, its cameras have been producing some sharp views of Mars. At a resolution of better than 30 feet per pixel, this image of a portion of the immense canyon, Valles ...

El Ni? o Ziemia

1997-11-12

Ni?o is a temporary global climate change resulting from unusually warm water in the central Pacific Ocean. El Ni?o can cause unusual or severe weather for some locations over the next few months. Warm water is shown in white in the above ...

Centrum Galaktyki z adnotacjami

1997-11-11

The sky toward the center of our Galaxy is filled with a wide variety of celestial wonders. Most are visible with only binoculars. Constellations of nearby stars include Sagittarius, Libra, Scorpius, Scutum, and Ophiuchus. Nebulae include ...

Ciemny wulkan aktywny na Io

1997-11-10

The surface of Io is changing even as we watch. The inset frame of Jupiter's most active moon was taken by the robot spacecraft Galileo in April. Just last month the larger image was taken. The new large black spot reveals that a volcano named ...

Zjeżdżalnie dla geodetów

1997-11-09

"Safe!" In September 1967 (during regular season play), the Surveyor 5 lander actually slid several feet while making a successful soft landing on the Moon's Mare Tranquillitatis. Equipped with television cameras and soil sampling experiments, ...

Niewiarygodne odkrycia Aristarchusa

1997-11-08

Here lived one of the greatest thinkers in human history. Aristarchus lived on the Greek island of Samos, a small island in the center of the above picture that can be identified with a good map. Aristarchus, who lived from 310 BC to 230 BC, ...

Dowody na istnienie czarnych dziur...

1997-11-07 J. Bergeron

Gravity can do more than floor you. According to recent measurements of a star system thought to contain a black hole, it can spin you too. This effect, called frame-dragging, is most prominent near massive, fast spinning objects. Now, a team ...

Magnetyczny dywan Słońca

1997-11-06

The Sun has a magnetic carpet. Its visible surface appears to be carpeted with tens of thousands of magnetic north and south poles joined by looping field lines which extend outward into the Solar Corona. Recently, researchers have revealed maps ...