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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.
On rare occasions, Venus can actually be seen in both the morning (before sunrise) and evening (after sunset) on the same day. 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 ...
Venera-D is a proposed mission to Venus that would include a highly capable orbiter and a lander. From the standpoint of total mass delivered to Venus, the best launch opportunities occur in 2026 and 2031; [10] however, as of March 2021, Venera-D is planned for launch no earlier than November 2029. [11]
December 21: Sun enters Capricorn/Winter Solstice - Winter has officially arrived in the Northern Hemisphere with a serious, can-do vibe that seeks to put order to what feels like a confusing and ...
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]
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 Lada Terra. It is a highland region named after the Akkadian goddess Ishtar, [2] and is found in the north ...
The forecast storm won't quite have the oomph of the G4-level whopper that came along Oct. 10, but it should still unveil the auroras across the Northern Hemisphere. Where will the auroras be visible?
Reindeer live in the far northern regions of Europe, North America, and Asia.They enjoy colder climates like tundra and boreal forests. We can find them in northern countries, which include: