query: Why Andromeda is approaching the Milky Way in an expanding universe?
positive_passages.docid: 16759
positive_passages.text: How and why will the Milky Way collide with the Andromeda galaxy?
negative_passages.docid: 50876
negative_passages.text: Is space expanding equally in every direction?
negative_passages.docid: 31728
negative_passages.text: Galaxy rotation curve and dark matter
negative_passages.docid: 145327
negative_passages.text: Why is "gravitational" red-shift neglected in galaxy and galaxy cluster scales?
negative_passages.docid: 85665
negative_passages.text: Schwarzschild metric in expanding Universe
negative_passages.docid: 54636
negative_passages.text: Dark Energy / Accelerating universe: naive question
negative_passages.docid: 79744
negative_passages.text: LIGO flawed by the identical expansion of laser wavelength and arms in presence of a gravitational wave?
negative_passages.docid: 95879
negative_passages.text: Other explanation for cosmological redshift?
negative_passages.docid: 42372
negative_passages.text: Space Expansion vs. Relative Motion
negative_passages.docid: 148341
negative_passages.text: What caused the expansion of the universe to slow down after the inflationary epoch?
negative_passages.docid: 140641
negative_passages.text: Is the Star Wars Universe just one galaxy?
negative_passages.docid: 12894
negative_passages.text: What causes the dimensions of a star increase when its hydrogen fuel is exhausted?
negative_passages.docid: 125620
negative_passages.text: How do we know for certain that space is expanding?
negative_passages.docid: 3108
negative_passages.text: Why does space expansion not expand matter?
negative_passages.docid: 117205
negative_passages.text: Expansion of the Universe: is new space(time?) being created or does it just get stretched?
negative_passages.docid: 130146
negative_passages.text: Smolin on Cosmological selection and neutron stars
negative_passages.docid: 137492
negative_passages.text: Does entropy increase or decrease as our Universe is expanding?