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The closest encounter to the Sun so far predicted is the low-mass orange dwarf star Gliese 710 / HIP 89825 with roughly 60% the mass of the Sun. [4] It is currently predicted to pass 0.1696 ± 0.0065 ly (10 635 ± 500 au) from the Sun in 1.290 ± 0.04 million years from the present, close enough to significantly disturb the Solar System's Oort ...
30.1 — Average distance from the Sun — Eris: 67.8 — Average distance from the Sun — Voyager 2: 137 — Distance from the Sun in October 2024 [60] Voyager 1: 165 — Distance from the Sun in October 2024 [60] Light-day: 173 — Distance light travels in one day — Light-year: 63 241 — Distance light travels in one Julian year (365.25 ...
(1 AU and 1 parsec are not to scale, 1 parsec = ~206265 AU) Stellar parallax is the apparent shift of position of any nearby star (or other object) against the background of distant stars. By extension, it is a method for determining the distance to the star through trigonometry, the stellar parallax method.
Astronomers advise people hoping to see the planetary phenomena to go to an area with minimal light pollution and to allow at least 30 minutes to allow vision to adjust to the darkness.
379.21 ± 1.58 mas [9] Distance: 8.60 ± ... Sirius will come to within 1.6 degrees of the south celestial pole. ... the two stars are believed to be too far apart ...
The planetary hours are an ancient system in which one of the seven classical planets is given rulership over each day and various parts of the day. Developed in Hellenistic astrology, it has possible roots in older Babylonian astrology, and it is the origin of the names of the days of the week as used in English and numerous other languages.
Paranal Observatory nights. [3] The concept of noctcaelador tackles the aesthetic perception of the night sky. [4]Depending on local sky cloud cover, pollution, humidity, and light pollution levels, the stars visible to the unaided naked eye appear as hundreds, thousands or tens of thousands of white pinpoints of light in an otherwise near black sky together with some faint nebulae or clouds ...
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