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Star Chart for Fernwood, ID |
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| Sun/Moon Data for Fernwood, ID: | |||
Sunspot Activity
Space Weather |
Sunset: 8:46pm Sunrise: 4:51am DIY Sunspot Viewer |
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74% illuminated - Waxing Gibbous Moon Moonrise: 3:23pm (22-Jun-2018) New Moon: Thu, 12-Jul-2018 7:48pm PDT Full Moon: Wed, 27-Jun-2018 9:54pm PDT |
Astronomy Fact
Scientists believe that we can only see about 5% of the matter in the Universe. The rest is made up of invisible matter (called Dark Matter) and a mysterious form of energy known as Dark Energy.
| Color Key |
| Worse | Better | Best | Sky (including Wind) | ||||||||||
| Worse | Best | Worse | Ground |
Space Track-Satellite Passes
Notes about viewing ESVs:
When using lookangles, choose passes with high magnitudes; less than 6.0. ("Looks" are local time.)
Best viewing is when ESV is in Earth's penumbra; on the map, it's the solid line during night.
Dotted line on map denotes ESV is dark, in Earth's umbra (shadow).
Objects in orbit have to maintain a speed of at least 17,500mph, therefore ESVs traverse the sky noticeably different than aircraft.
ESVs appearing to blink are either tumbling rocket bodies, or spinning payloads with deployed solar arrays.
High-Eccentricity objects have a more ellongated orbit. Ground trace looks like a backwards C.
Regression-Ground traces will move West with each orbit due to Earth's rotation.
Script courtesy of: Lee from MadALwx. Page template and Facts script courtesy of: TNET Weather.
Page Template and Moon script courtesy of: Saratoga Weather.