15. A basic observation of a star is how bright it appears. This brightness is known as the star's A. luminosity. B. absent magnitude. C. apparent magnitude. D. absolute magnitude.

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Asked 1/30/2018 6:15:36 AM

Updated 1/30/2018 7:54:22 AM

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User: 15. A basic observation of a star is how bright it appears. This brightness is known as the star's A. luminosity. B. absent magnitude. C. apparent magnitude. D. absolute magnitude.

Weegy: A basic observation of a star is how bright it appears. This brightness is known as the star's apparent magnitude.
Expert answered|Score .9968|Masamune|Points 74510|

User: 16. An explosion that destroys the outer portion of a star is known as a A. supergiant. B. protostar. C. supernova. D. nebula.

Weegy: An explosion that destroys the outer portion of a star is known as supernova.
Expert answered|Score .9588|emdjay23|Points 136416|

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Asked 1/30/2018 6:15:36 AM

Updated 1/30/2018 7:54:22 AM

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Confirmed by selymi [1/30/2018 7:54:22 AM]

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1. The _______ theory states that the Moon formed as the result of a collision between Earth and a Mars-sized object.

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Updated 1/30/2018 6:37:51 AM

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ishm

The Giant Impact theory states that the Moon formed as the result of a collision between Earth and a Mars-sized object.

Added 1/30/2018 6:37:51 AM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [1/30/2018 6:39:44 AM]

11. Which type of electromagnetic radiation cannot be focused? A. X-rays B. Ultraviolet C. Gamma rays D. Infrared

Weegy: Gamma rays cannot be focused. User: 12. The point in the Moon's orbit when it's farthest away from the Earth is called A. apogee. B. penumbral. C. eclipse. D. perigee. Weegy: The point in the Moon's orbit when it's farthest away from the Earth is called apogee. User: 13. A _______ forms a pattern that resembles an animal, mythological character, or object. A. constellation B. galaxy C. star cluster D. globular cluster (More)

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Updated 1/30/2018 6:32:24 AM

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ishm

A constellation forms a pattern that resembles an animal, mythological character, or object.

Added 1/30/2018 6:32:24 AM

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Confirmed by jeifunk [1/30/2018 6:40:34 AM], Rated good by jeifunk

14. What are the spiral arms of the Milky Way made of? A. Variable stars B. Younger stars and gaseous nebulae C. Older stars and comets D. Asteroids and comets

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Updated 1/30/2018 6:29:57 AM

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ishm

The spiral arms of the Milky Way made of: Younger stars and gaseous nebulae.

Added 1/30/2018 6:29:57 AM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [1/30/2018 6:41:16 AM]

20. _______ is a technique that uses the images from several telescopes to produce a single image. A. Reflection B. Refraction C. Radiation D. Interferometry

Weegy: Interferometry is a technique that uses the images from several telescopes to produce a single image. (More)

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Updated 2/28/2020 5:52:56 PM

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10. Which sentence contains both an adverb and a conjunction? A. Lucille was a kind person, but she hated people who spread rumors. B. Do you want the shrimp or the crab? C. The storm caused flooding as predicted. D. Lawson crept silently up the stairs but couldn't slow his heartbeat.

Weegy: The sentence that contains both an adverb and a conjunction is: (More)

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Updated 243 days ago|4/5/2024 12:01:12 AM

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écdtian

The sentence that contains both an adverb and a conjunction is: Lawson crept silently up the stairs but couldn't slow his heartbeat.

Added 243 days ago|4/5/2024 12:01:07 AM

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