SpaceWatchtower

Wednesday, August 22, 2018

Are Sundials, to Tell Time, Really Obsolete ?

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                        Photograph of an Open Armillary S undial (which tells both time and date) located at the northern tip of Library Pa...
4 comments:
Sunday, August 12, 2018

Journey to the Sun !

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Launch of the Parker Solar Probe on a 3-month journey to the Sun. The on-time launch (although there was a one-day delay) occurred from Sp...
1 comment:
Wednesday, August 1, 2018

Astronomical Calendar: 2018 August

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Image of a 2007 Perseid Meteor, just to the right from the Milky Way. The Perseid Meteor Shower, one of the best meteor showers of the year...
130 comments:
Tuesday, July 24, 2018

A U.S. 'Space Force' ?

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                          By Glenn A. Walsh Reporting for SpaceWatchtower Last Friday marked the 49 th anniversary of the first la...
9 comments:
Wednesday, July 11, 2018

Mars: Bright Beacon in the Night Sky in July & August !

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The Earth and the Earth's Moon as seen from Mars on 2016 November 20, using NASA's largest telescope in orbit of Mars, the High Res...
12 comments:
Sunday, July 1, 2018

Astronomical Calendar: 2018 July

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   Image of the Planet Mars, in natural color, from 2007. Mars will make its closest approach to the Earth in 15 years on July 31 !  July ...
Thursday, June 21, 2018

Summer Begins Thursday Morning

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   This diagram shows the position of the Earth, in relation to the Sun, at the time of the Summer Solstice, as well as the other solstice...
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