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9 lip 2024 · For most space objects, we use light-years to describe their distance. A light-year is the distance light travels in one Earth year. One light-year is about 6 trillion miles (9 trillion km). That is a 6 with 12 zeros behind it!
5 dni temu · Pheidippides ( Greek: Φειδιππίδης, Ancient Greek pronunciation: [pʰeː.dip.pí.dɛːs], Modern Greek: [fi.ðiˈpi.ðis]; "Son of Pheídippos") or Philippides (Φιλιππίδης) is the central figure in the story that inspired two modern sporting events, the marathon race and the Spartathlon.
1 dzień temu · The Andromeda Galaxy is approaching the Milky Way at about 110 kilometres (68 miles) per second. [130] It has been measured approaching relative to the Sun at around 300 km/s (190 mi/s) [1] as the Sun orbits around the center of the galaxy at a speed of approximately 225 km/s (140 mi/s).
22 lip 2024 · The speed of sound is the distance travelled per unit of time by a sound wave as it propagates through an elastic medium. More simply, the speed of sound is how fast vibrations travel. At 20 °C (68 °F), the speed of sound in air is about 343 m/s (1,125 ft/s; 1,235 km/h; 767 mph; 667 kn), or 1 km in 2.91 s or one mile in 4.69 s.
22 lip 2024 · Using the radius of Earth’s orbit as the baseline, the distance of the star can be found from the parallactic angle, p. If p = 1″ (one second of arc), the distance of the star is 206,265 times Earth’s distance from the Sun—namely, 3.26 light-years.
4 dni temu · Jupiter has an equatorial diameter of about 143,000 km (88,900 miles) and orbits the Sun at a mean distance of 778 million km (483 million miles). The table shows additional physical and orbital data for Jupiter.
3 lip 2024 · Fast Five cast list, listed alphabetically with photos when available. This list of Fast Five actors includes any Fast Five actresses and all other actors from the film. You can view additional information about each Fast Five actor on this list, such as when and where they were born.
