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Hipparchus
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∙ 12y ago
The location of 850 stars was determined by the Hipparcos satellite, launched by the European Space Agency in 1989. Hipparcos measured the positions, distances, and motions of these stars with very high precision using astrometry techniques. The data collected by Hipparcos significantly advanced our understanding of the structure and dynamics of the Milky Way galaxy.
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How many stars did Hipparcus measure?
Hipparchus, an ancient Greek astronomer, measured the positions of around 850 stars.
Do stars look different in other countries?
No, stars appear the same regardless of the country you are in. The appearance of stars is determined by factors such as the atmosphere and light pollution, but these factors are not specific to any one country.
The stars that you see in the sky depend on?
The stars you see in the sky depend on the time of year and your location on Earth. The brightness of the stars, the presence of any natural or artificial light pollution, and atmospheric conditions also influence the visibility of stars in the sky.
How is the number of stars in the sky determined?
To be honest, the number of stars cannot be determined accurately. First, there are too many. Second, we can't see all of them. Some are too far away, some are too dim. We cannot see through the Milky Way, and so an unknown number of stars are hidden behind the galactic core.
How many grams weighs 850 mL of water?
For pure clean water at standard temperature and pressure, 850 ml has a mass of 850 grams.
A sailing instrument that determined a ship's location by its position under the stars?
...Is called a sextant, invented 1757.
Who is euclid in the field of astronomy?
He is the father of spherical astronomy, by which the location of objects like planets and stars in the universe can be determined.
How many stars did Hipparchus count?
He counted 850 stars. (That is what my teacher said.)
What is a sailing instrument that determined a ship's location by its position under the stars?
These days, an instrument called a "Sextant". Before Columbus, an "Astrolabe".
Is the color of a star determined by its location in the galaxy?
No. The color is determined by the star's temperature, not location.
How many Jews were smuggled to Sweden in Number the Stars?
About 700-850 were saved.
What determined the location for Saint Peter's Basilica?
The tomb of Saint Peter determined the location of St. Peter's Basilica.
Which determines which stars you see at night?
Your location and and the local weather conditions. The location, distance and luminosity of the stars
Which property of a star can be determined by its color?
The temperature of a star can be determined by its color. Hotter stars appear blue/white, while cooler stars appear red.
What can distances to nearby stars determined by?
Stellar parallax
Which property of a star can be determined from binary star system?
The mass of a star can be determined from a binary star system, specifically by measuring the orbital motion and interaction between the two stars. This allows astronomers to apply Kepler's laws of planetary motion to calculate the masses of both stars in the system.
How is a places absolute location determined?
hunter gatherer
