PDA

View Full Version : Astrophysics Forum



Pages : [1] 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26

  1. Determining Cygnus X-3 yellow ring diameter in the middle of the picture
  2. X-ray brightness variation of Cygnus X-1 and determination of the black's hole size
  3. Vacuum decay and possible in our lifetime
  4. Copernican vs Ptolemaic - which is simpler?
  5. Hello - Possible solution to global warming
  6. neutron star remnant of SN1987A found
  7. Interstellar asteroids and Oort Cloud comets on collision course, warning time?
  8. 21-cm hydrogen
  9. Could gravity be interpreted as “time dilation” In geodesics around masses?
  10. How long does it take to measure a galaxy/quasar redshift ?
  11. Snowflakes explain dark matter?
  12. Oldest known, iron deficient star discovered
  13. How do I calculate a star's luminosity/radius?
  14. white dwarf binary with 7 minutes long period
  15. NASA’s Hubble telescope detects supermassive black hole that defies theoretical model
  16. Do Sirius A and B have opposite spin ?
  17. Do the planets cause the solar cycle?
  18. Big Bang theory v. Continuous Creation theory
  19. for ThinkerX
  20. What happens in the Sun's convection zone?
  21. Heating of planets and asteroids
  22. KELT-9 b has atmosphere with rare earth metals (video)
  23. suppressed star formation in early universe
  24. gravitational waves leave marks
  25. Spitzer studies how the universe was lit
  26. ALMA tracks evolution of magnetic fields in star forming complex
  27. protoplanetary disks push super earths close to stars
  28. collapsar accretion disks as heavy element sources
  29. MW starburst 2-3 B yr ago
  30. Extremely rare hydrogen cloaked type 1a supernova spotted.
  31. jets and winds from AGNs share common cause
  32. AAS: 2 new Oumuamua theories
  33. Quanta: water's most common form in nature is black hot ice
  34. jets from the first supernovae
  35. looking at Haumea's ring
  36. Could quantum mechanics explain the existence of space time?
  37. H alpha from SNIa may illuminate origins
  38. AAS: studying the temperature luminosity diagrams of barely resolved galaxies
  39. space based event horizon imaging prospects
  40. SWaB: cosmology's manufactured misunderstandings
  41. AAS: imagery tracking a hole from the Sun
  42. imagery of 'storm in a teacup' quasar
  43. multi wavelength campaign studies flows in young stellar object
  44. Blue SuperGiant gravity waves
  45. SWaB: how the EHT acts as one telescope
  46. AAS: a question of links among FRBs, magnetars, and supernovae
  47. Gravitational waves possibly generated from Black Hole-Neutron star collision
  48. SWaB: the Hubble constant tension as a clue
  49. hubble images ngc 2903
  50. Cosmic high noon?
  51. Hubble Legacy Field Image
  52. Two neutron stars walked into a bar...
  53. tracking Gaia
  54. Quanta: the Sun in gamma rays
  55. AAS: using gravitational waves to measure the Hubble parameter
  56. new supergiant star fast X-ray transient
  57. planet search finds white dwarf
  58. chemically peculiar star hints at dwarf merger with MW
  59. nova remnant discovered in M22
  60. Dark matter exists
  61. Oldest known Chinese observation confirmed.
  62. Debate on Pluto status.
  63. How did our moon form, new theory.
  64. Quanta: Fermi's MW center glow might be DM annihilation after all?
  65. ice feature discovered on Titan
  66. dust grain from a dying star
  67. the BH in V404 Cygni has precessing jets
  68. observing the EGGs in Cygnus
  69. SWaB: Hubble imagery illustrates life cycle of a sunlike star
  70. Event horizon imager. EHI
  71. SWaB: Why Q Field Theory is more fundamental than Q Mechanics
  72. present and future
  73. A theory about what black holes are
  74. LIGO-Virgo possibly detect Black Hole merging with neutron star
  75. Symmetry: falsifiability and physics
  76. astroseismology and stellar structure
  77. SWaB: origin of the proton mass
  78. AAS: Pprepping the tech for interferometry's massive data requirements
  79. Hubble images M75
  80. an article on M87
  81. SWaB: the equivalence principle and the deflection of light
  82. LIGO, new detection.
  83. Princeton IAS folks find 6 new BH mergers in older LIGO Virgo data
  84. New ultra metal-poor star discovered
  85. quasars move on the sky
  86. HST LMC Cepheid observations sharpen disagreement with CMB on Hubble constant
  87. AAS: Hubble finds interstellar medium buckminsterfullerene
  88. Rarest event ever, recorded by dark matter detector.
  89. Rapid destruction of Earth-like atmospheres by young stars
  90. AAS: what we don't know about protoplanetary disks
  91. Do those pesky muons masquerading as gamma rays bother you?
  92. more on the wandering north magnetic pole
  93. 3C 58 is a pulsar wind nebula
  94. on spiral arms
  95. SWaB: cold gas giant planets discovered
  96. AAS: featured image searching for SNRs in NGC 6946
  97. SWaB: (he uses the S word obnoxiously)
  98. AAS: mergers of compact objects illuminated by charges
  99. The EHT image and modified gravity
  100. SA: resolving the neutron lifetime discrepancy
  101. AAS: exploring solar filaments
  102. a nice Emmy Noether article
  103. Hubble 29th anniversary image: the Southern Crab Nebula
  104. a better mouse trap for DM at the LHC
  105. Aeon: the end of the universe video
  106. Quanta: interview with James Gunn
  107. Study finds evidence of planetary accretion as possible origins for some brown dwarfs
  108. Symmetry: what can gravitational waves say about dark matter
  109. SWaB: the colors of quarks
  110. Adam Block on M87 and the EHT image of M87*
  111. insights into molecular gas in the massive spiral galaxy NGC 5908
  112. Observations of Li poor star creates problems for BB nucleosynthesis
  113. Planck finds correlation between quasar luminosity and DM mass
  114. before Oumuamua
  115. 21 Com, a peculiar variable with abundance anomalies
  116. Helium hydride, HeH+ detected in planetary nebula
  117. ECSK gravity and particle physics
  118. AAS: NuSTAR studies SN remnant
  119. SWaB: is QM incompleteness a path to scientific revolution?
  120. Lee Smolin makes the bold claim that QM is wrong!
  121. Symmetry: theorists turn to experiment designs for DM searches
  122. call for public help in gravitational wave analysis
  123. Universe size questions
  124. Another/Better YouTube Video Of The First Image Of A Black Hole
  125. Hubble imagery and M3 results
  126. SWaB: musings on prospects of a scientific revolution
  127. Dimension and Dimensional Reduction in Quantum Gravity
  128. Star formation and material for earth
  129. Researchers observe formation of a magnetar 6.5 billion light years away
  130. SWaB: 10 new lessons from the EHT image
  131. MAXI J1957+032 contains a neutron star
  132. from Nautilus: one link 2 BH articles
  133. Where has the martian methane gone?
  134. New discoveries old data!
  135. While the EHT observed, other wavelengths showed
  136. Quanta: what the EHT image means to a physicist
  137. First Photo Of A Black Hole
  138. brown dwarfs: failed stars or super planets?
  139. physics.org's take on the M87 BH image
  140. SwaB and AAS: M87 BH imagery
  141. NPR: 1st BH image
  142. BH image, will I be disappointed?
  143. Our Experiment: Why does LIGO use Quadruple Pendulums to detect Gravitational Waves?
  144. AAS: Hubble images cosmic horseshoe
  145. AAS: prebiotic nitrogen chemistry in protoplanetary disks
  146. Latest Woit post
  147. SWaB: piles on with BH image anticipation
  148. time reversal violation and the matter-antimatter asymmetry problem
  149. yet more BH image anticipation
  150. ALMA finds gas dynamics in binary protostar system
  151. evidence for planet with 13 Jupiter mass
  152. more BH anticipation
  153. first HiPERCAM results test stellar evolution
  154. more on expectations for the first BH image
  155. AAS: SN, DE and the fate of the universe
  156. SWaB: what is an electron?
  157. cataloguing blazars
  158. rain on the Sun
  159. gravitational waves reveal black holes, DM and particles
  160. SWaB: the fine tuning problem
  161. Sigh. Bad reporting & unethical promotions. Light faster than light? No. Just no.
  162. New technique for observing Exoplanets looks promising
  163. Heavy metal planet fragment survives destruction from dead star
  164. quasi-periodic oscillations in the X-ray binary GX 5-1
  165. Space. The final illusion.
  166. Planet chunk around dead star.
  167. AAS: looking for middle sized BHs
  168. SWaB: precautions on meeting aliens from a different "multiverse"
  169. SWaB: What if it's just us?
  170. first light! Dark Energy Spectroscopic Instrument images M51
  171. lithium in primitive MW star gives clues about Big Bang
  172. molecular outflow from quasar PDS 456
  173. long GRBs as standard candles?
  174. measuring Hubble constant with gravitational waves
  175. radio imagery of the dusty doughnut around Cyg A's SMBH
  176. measurements of stars reflecting light
  177. Subaru scope rules out small BHs as Dark Matter
  178. New MW mass estimate
  179. SWaB: 6 questions on eve of big announcement of EHT
  180. star formation in galaxy nuclei
  181. dwarf AGN investigation
  182. Hubble imagery of M11
  183. More results on galaxies with no dark matter
  184. NASA: Discovery of a Saturn-sized Planet
  185. Carlo Rovelli answers questions from his fans
  186. AAS: observing a double detonation supernova
  187. Finding open clusters in the Magellanic clouds.
  188. Collective Gravity vs Planet 9
  189. Quanta: quantum scarring
  190. SWaB: what was it like when Mars and Venus became uninhabitable for us?
  191. What happened before the big bang.
  192. Gravity instrument images exo-planet.
  193. post BICEP2: many models for inflation fall by the wayside
  194. Big Bang vs Big Bounce: how to test?
  195. Solving the Jupiter puzzle.
  196. call for volunteers: which galaxy is emitting what light?
  197. Xray galactic center visualization 360 degrees
  198. SWaB: why are there no detections of gravitational waves nearby?
  199. SWaB: four missions, choose one
  200. Recommendations for online masters in astrophysics?
  201. 3 DM searches giving 3 different results.
  202. Symmetry: LHCb finds difference in charmed quark - antiquark behavior
  203. SWaB: quantum tunneling doesn't break light speed limit
  204. the MW's X-ray chimneys
  205. AAS: K dwarfs are the "livelier" alternative
  206. ATLAS observes light scattering by light
  207. SWaB: oxygen nearly wiped out life on Earth
  208. Osiris-REX finds Bennu might be self destroying
  209. puzzling extremely dusty galaxy MACS0416_Y1
  210. Fermi finds speeding pulsar (video)
  211. SA: solar jets cause standing waves in Earth's magnetosphere
  212. Undark: a 'new' contender (not string or M theory) for a quantum gravity
  213. AAS: millisecond pulsar in binary system with 38 minute
  214. optimizing habitable zone searches
  215. carbon monoxide as an indicator of life
  216. LOFAR and Hubble image quasar jet with edgy loss
  217. supergiant X ray transient
  218. Ruh roh
  219. What are Tholins?
  220. AAS: mysteriously missing gamma ray halos around AGNs
  221. The high energy Sun GeV-Tev
  222. ALMA images formation of massive binary star
  223. new Einstein cross not a quasar
  224. Earth - Sun composition comparison aims at exoplanet studies
  225. X ray bright galaxy nuclei
  226. SWaB: 5 space events to destroy humanity
  227. What the Bulge orbits?
  228. SWaB: Cosmic redshift, expanding space vs moving galaxies
  229. Using BHs to reach relativistic speeds (and detect aliens)
  230. JPL has a kitchen for cooking hot Jupiter atmospheres
  231. AAS: giant stars near MW's SMBH
  232. tempest in teacup: SDSS J1430+1339
  233. 3-D map of MW's magnetic field
  234. SWaB: This Is Why The Multiverse Must Exist
  235. via Dr H: an illustrated history of BH imaging
  236. ES's VLT images "The Bat" NGC 1788
  237. quiet magnetar turns on
  238. Gaia positions of AGN confused by jets, corrections feasible
  239. strong magnetic fields necessary for life
  240. ALMA sees formation of planets about DM Tauri
  241. SWaB: can the MW be more massive than M31?
  242. Quantum Time Travel?
  243. 83 SMBHs found in early universe
  244. large area solar flares likely source of mm wave radiation
  245. massive runaway star NOT ejected from MW's SMBH
  246. AAS: the reionization epoch
  247. SKA treaty signed.
  248. Experiment suggests reality isn't objective
  249. rings of dust around the Sun
  250. gamma-ray binary PSR B1259–63/LS 2883