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During the mapping cycle 1 (left-looking) radar surface mapping on Venus (September 15, 1990 to May 15, 1991), around 70% of the Venusian surface was mapped by synthetic aperture radar. In cycle 2 (right-looking), 54.5% of the surface was mapped, mainly the south pole regions and gaps from cycle 1 during May 15, 1991 to January 14, 1992.
This scenario arises when Venus is at its maximum separation from the ecliptic and concomitantly at inferior conjunction; then one hemisphere (Northern or Southern) will be able to see it at both times. This opportunity presented itself most recently for Northern Hemisphere observers within a few days on either side of March 29, 2001, and for ...
Radar mosaic from Magellan showing a 600-km-long segment of Baltis Vallis, a channel on Venus that is longer than the Nile. The surface of Venus contains over 200 channel systems and named valles which resemble terrestrial rivers. These channels vary in length and width and are commonly found in planar regions of the planet.
Color-coded elevation map, showing the elevated terrae "continents" in yellow: Ishtar Terra at the top. Topographic radar image view of Venus, with Ishtar Terra near center. Ishtar Terra / ˈ ɪ ʃ t ɑːr ˈ t ɛr ə / [1] is the second largest of the three continental terrae regions on the planet Venus, the others being Aphrodite Terra and ...
Northern lights map for tomorrow night The center also released a map for Saturday night. A map from the Space Weather Prediction Center shows the aurora forecast for the U.S. on Oct. 5, 2024.
The institute lead scientific works on the creation of the planetary radar and on the radiolocational exploration of other planets. One of the main results was creation of the first ever radar map of the Northern Hemisphere of Venus in 1984, using results of Venera 15 and Venera 16 missions. [4]
The northern lights will be visible for parts of the northern U.S., according to the NOAA Space Weather Prediction Center's aurora forecast. The aurora will be visible over much of Canada and ...
(Reuters) - El Nino weather conditions will continue through the Northern Hemisphere during April-June 2024 with a 62% chance, a U.S. government weather forecaster said on Thursday.