Question:

When is the next meteor shower in Arizona visible from Phoenix?

Answer:

The Orionids: From about 1:00 am until twilight gets too bright, on any morning between Monday, October 20 and Friday, October 24.

More Info:


meteor shower

A meteor shower is a celestial event in which a number of meteors are observed to radiate, or originate, from one point in the night sky. These meteors are caused by streams of cosmic debris called meteoroids entering Earth's atmosphere at extremely high speeds on parallel trajectories. Most meteors are smaller than a grain of sand, so almost all of them disintegrate and never hit the Earth's surface. Intense or unusual meteor showers are known as meteor outbursts and meteor storms, which may produce greater than 1,000 meteors an hour.

Arizona Phoenix
Meteor showers

A meteor shower is a celestial event in which a number of meteors are observed to radiate, or originate, from one point in the night sky. These meteors are caused by streams of cosmic debris called meteoroids entering Earth's atmosphere at extremely high speeds on parallel trajectories. Most meteors are smaller than a grain of sand, so almost all of them disintegrate and never hit the Earth's surface. Intense or unusual meteor showers are known as meteor outbursts and meteor storms, which may produce greater than 1,000 meteors an hour.

Because meteor shower particles are all traveling in parallel paths, and at the same velocity, they will all appear to an observer below to radiate away from a single point in the sky. This radiant point is caused by the effect of perspective, similar to parallel railroad tracks converging at a single vanishing point on the horizon when viewed from the middle of the tracks. Meteor showers are almost always named after the constellation from which the meteors appear to originate. This "fixed point" slowly moves across the sky during the night due to the Earth turning on its axis, the same reason the stars appear to slowly march across the sky. The radiant also moves slightly from night to night against the background stars (radiant drift) due to the Earth moving in its orbit around the sun. See "IMO" Meteor Shower Calendar 2007 (International Meteor Organization) for maps of drifting "fixed points." The radiant must be above the observer's local horizon in order for meteors from that particular shower to be visible.

Astronomy Space
Halley's Comet

Halley's Comet or Comet Halley (/ˈhæli/ or /ˈhli/), officially designated 1P/Halley, is the best-known of the short-period comets and is visible from Earth every 75–76 years. Halley's Comet is the only short-period comet that is clearly visible to the naked eye from Earth, and thus the only naked-eye comet that might appear twice in a human lifetime. Other naked-eye comets may be brighter and more spectacular, but will appear only once in thousands of years.

Halley's Comet returns to the inner Solar System have been observed and recorded by astronomers since at least 240 BCE. Clear records of the comet's appearances were made by Chinese, Babylonian, and medieval European chroniclers, but were not recognized as reappearances of the same object at the time. The comet's periodicity was first determined in 1705 by English astronomer Edmond Halley, after whom it is now named. Halley's Comet last appeared in the inner Solar System in 1986 and will next appear in mid-2061.

Orionids
Planetary science

Planetary science (rarely planetology) is the scientific study of planets (including Earth), moons, and planetary systems, in particular those of the Solar System and the processes that form them. It studies objects ranging in size from micrometeoroids to gas giants, aiming to determine their composition, dynamics, formation, interrelations and history. It is a strongly interdisciplinary field, originally growing from astronomy and earth science, but which now incorporates many disciplines, including planetary astronomy, planetary geology (together with geochemistry and geophysics), atmospheric science, oceanography, hydrology, theoretical planetary science, glaciology, and the study of extrasolar planets. Allied disciplines include space physics, when concerned with the effects of the Sun on the bodies of the Solar System, and astrobiology.

There are interrelated observational and theoretical branches of planetary science. Observational research can involve a combination of space exploration, predominantly with robotic spacecraft missions using remote sensing, and comparative, experimental work in Earth-based laboratories. The theoretical component involves considerable computer simulation and mathematical modelling.


Phoenix, Arizona

Phoenix (/ˈfnɪks/ FEE-niks; O'odham: S-ki:kigk; Yavapai: Wathinka or Wakatehe; Western Apache: Fiinigis; Navajo: Hoozdoh; Mojave: Hachpa 'Anya Nyava) is the capital, and largest city, of the U.S. state of Arizona, as well as the sixth most populous city nationally, and is also the most populous state capital in the United States. Phoenix is home to 1,445,632 people according to the 2010 U.S. Census Bureau data.

It is the anchor of the Phoenix metropolitan area (also known as the Valley of the Sun) and is the 12th largest metro area by population in the United States with about 4.2 million people in 2010. In addition, Phoenix is the county seat of Maricopa County and is one of the largest cities in the United States by land area.

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