Explanation: Even though Venus (left) was the brightest planet in the sky it was less than 1/30th the apparent size of the Moon on January 29. But as both rose before the Sun they shared a crescent phase. For a moment their visible disks were each about 12 percent illuminated as they stood above the southeastern horizon. The similar sunlit crescents were captured in these two separate images. Made at different magnifications, each panel is a composite of stacked video frames taken with a small telescope. Venus goes through a range of phases like the Moon as the inner planet wanders from evening sky to morning sky and back again with a period of 584 days. Of course the Moon completes its own cycle of phases, a full lunation, in about 29.5 days.

<<  Февраль  >> Пн Вт Ср Чт Пт Сб Вс   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28             1995   1996   1997   1998 1999   2000   2001   2002 2003   2004   2005   2006 2007   2008   2009   2010 2011   2012   2013   2014 2015   2016   2017   2018 2019   2020   2021   2022 2023   2024   2025

Январь Февраль Март Апрель Май Июнь Июль Август Сентябрь Октябрь Ноябрь Декабрь

Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Публикации с ключевыми словами: Moon - Venus - Луна - Венера Публикации со словами: Moon - Venus - Луна - Венера
См. также: Соединение полумесяцев Полная Луна и полный Марс Волчья Луна закрывает Марс Луна Длинной ночи Заход Земли с "Ориона" Аполлон-12 и Сервейор-3 Найдите человека на Луне Все публикации на ту же тему >>