Thursday, September 23, 2021

175th Anniversary: Discovery of Neptune

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        Narrow Angle Camera image of the planet Neptune taken by the NASA Voyager 2 spacecraft on 1989 August 20, as the spacecraft approach...
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Monday, September 20, 2021

Harvest Moon Mon.; Fall Begins Wed.

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This diagram shows the position of the Earth, in relation to the Sun, at the time of the Autumnal Equinox, as well as the other equinox an...
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Wednesday, September 1, 2021

Astro-Calendar: 2021 Sept. / 1st All-Civilian SpaceX Launch Sept. 15

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Image of SpaceX Crew Dragon Resilience capsule at the Kennedy Space Center. Four civilian, SpaceX astronauts will launch in this capsule fo...
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Monday, August 23, 2021

Citizen Science: Help NASA Identify Clouds & Sky Color

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   This graphic demonstrates how clouds affect the heating and cooling of the Earth. In general, high clouds hold-in heat from the Sun and ...
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Monday, August 9, 2021

Perseid Meteor Shower Peaks Wed., Thur.

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                                 This graphic shows the radiant of the Perseid Meteor Shower and the orbit of the parent comet, Comet Swift-...
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Sunday, August 1, 2021

Astro-Calendar 2021 Aug. / Update: Boeing Starliner Launch Delayed Indefinitely

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  Update (2021 Aug. 4): The Boeing Starliner launch has been delayed, indefinitely, until NASA and Boeing can determine the " cause of...
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Monday, July 26, 2021

50th Anniversary: Pittsburgh Native Walks on Moon

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  Pittsburgh native James Irwin gives a military salute to the American Flag at the Hadley-Apennine landing site of Apollo 15 on the Moon,...
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