Physics

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A neutron star, which generates gamma-ray bursts due to starquakes on its surface, is called a(n) ... Started by @Brianna17	3 Replies 124 Views	Jul 27, 2018 by nmyers
Why do some supernovae form neutron star remnants instead of white dwarfs? What will be an ideal ... Started by vinney12	1 Replies 66 Views	Jul 27, 2018 by recede
What observational properties of pulsars allowed astronomers to discover them as a new type of ... Started by KWilfred	1 Replies 63 Views	Jul 27, 2018 by ally
What prediction does general relativity make for pulsars in a binary system? What will be an ... Started by Mr. Wonderful	1 Replies 62 Views	Jul 27, 2018 by bookworm410
Why are black holes called black? What will be an ideal ... Started by PhilipSeeMore	3 Replies 74 Views	Jul 27, 2018 by todom5090
What observational evidence proved that gamma ray bursts do not come from objects in our galaxy? ... Started by jlmhmf	1 Replies 85 Views	Jul 27, 2018 by asdfasdf
What are the physical properties neutron stars, and how does theory predict these properties? ... Started by anshika	1 Replies 176 Views	Jul 27, 2018 by CAPTAINAMERICA
Explain the Lighthouse Model of pulsars. What will be an ideal ... Started by Capo	1 Replies 84 Views	Jul 27, 2018 by duke02
Why are millisecond pulsars often found in binary systems with small red- or brown-dwarf companions? ... Started by futuristic	3 Replies 119 Views	Jul 27, 2018 by Ahnyah
Imagine an astronaut falling into a black hole. Describe the effects that the astronaut would ... Started by hubes95	1 Replies 128 Views	Jul 27, 2018 by Christopher
What is a hypernova, and how do they produce observable gamma ray bursts? What will be an ideal ... Started by BrownTown3	1 Replies 68 Views	Jul 27, 2018 by dreamfighter72
Most of the light that makes the hazy band of the milky way visible in the night sky comes from ... Started by big1devin	1 Replies 65 Views	Jul 27, 2018 by ricroger
William and Caroline Herschel attempted to make a map of the Milky Way galaxy by counting the number ... Started by Tirant22	3 Replies 84 Views	Jul 27, 2018 by Qarqy
Harlow Shapley used observations of globular clusters to determine the position of the center of the ... Started by BRWH	1 Replies 77 Views	Jul 27, 2018 by sierramartinez
Globular clusters are used as spiral tracers. a. True b. False Indicate whether the statement ... Started by HCHenry	1 Replies 69 Views	Jul 27, 2018 by Dominic
Stars in the central bulge of the galaxy follow elongated orbits tipped steeply to the plane of the ... Started by berenicecastro	1 Replies 71 Views	Jul 27, 2018 by ASDFGJLO
The central bulge and the galactic disk of the Milky Way are often referred to as its spherical ... Started by viki	3 Replies 90 Views	Jul 27, 2018 by momtoalll
Spiral arms are clearly visible features of galaxies because most sun-like stars in the disk are ... Started by Chloeellawright	1 Replies 85 Views	Jul 27, 2018 by cegalasso
O and B stars are important spiral tracers. a. True b. False Indicate whether the statement is ... Started by mynx	1 Replies 72 Views	Jul 27, 2018 by polinasid
A grand-design galaxy contains clear spiral arms with few spurs. a. True b. False Indicate ... Started by armygirl	1 Replies 80 Views	Jul 27, 2018 by Anonymous
The center of the galaxy has been studied extensively using visible light. a. True b. False ... Started by jilianpiloj	3 Replies 98 Views	Jul 27, 2018 by lkanara2
The mass of the black hole in the center of the galaxy has been determined by observing the motion ... Started by ENagel	1 Replies 66 Views	Jul 27, 2018 by uniquea123
The black hole at the center of our galaxy is too large to be the remnant of a single star. a. ... Started by silviawilliams41	1 Replies 67 Views	Jul 27, 2018 by peter
The first stars formed in the Universe were composed of 90 hydrogen, 10 helium, and very little ... Started by SGallaher96	1 Replies 158 Views	Jul 27, 2018 by epscape
Stars that formed in the very early stages of our galaxy's formation have high amounts of metals.. ... Started by washai	3 Replies 122 Views	Jul 27, 2018 by patma1981