Tag: oort-cloud

33 Where does the Solar System end? 2014-10-04T15:32:43.693

33 Do all stars have an Oort cloud or is it a rare occurence? 2014-10-18T18:10:45.733

17 Why can't we observe the Oort cloud with a telescope? 2013-09-26T18:15:26.707

17 Why is the Oort cloud presumed to be spherical? 2014-11-13T17:04:21.750

15 What reason is there to doubt the existence of the hypothesised planet Tyche in the far distant solar system? 2013-10-18T06:54:33.457

15 How did scientists determine an estimate of the number of planets greater than Sedna's size to exist in the Inner Oort Cloud? 2014-09-24T04:05:32.370

11 Might Oort cloud comets be exchanged between solar systems? 2013-11-13T16:46:41.953

8 Is it accurate to compare comets to clouds and rain? 2015-06-12T17:18:38.013

8 Lack of objects between heliopause and Oort cloud? 2016-02-02T04:33:17.560

6 Lack of planets in the Oort Cloud 2015-03-22T09:45:38.643

6 Could a black hole pass quiescently through the Oort cloud? 2018-10-07T00:38:35.880

5 What is the word for space that is in the solar system, but outside the heliopause? 2016-06-26T23:51:17.710

3 How many observations does it take to determine the orbit of a TNO 2014-11-06T03:37:19.137

3 How far out can the sun keep celestial objects revolving? 2018-05-04T09:52:50.560

2 Why do comets come from our local Oort cloud instead of from interstellar sources? 2014-12-28T00:56:56.170

2 Estimation of average rock and asteroid mass associated with different stars 2015-09-28T21:16:25.780

2 Do other stars have Oort clouds? 2016-04-16T20:59:26.733

2 What wavelengths are used to search for distant solar system objects like KBOs and Oort cloud members? 2017-09-01T21:31:50.940

2 Can we measure comets in a similar way to exoplanets? 2017-12-14T21:34:39.397

2 Oort cloud shape 2018-01-21T11:37:19.213

2 Scientific evidence against CMB originating from “Oort Soup”? 2018-11-16T12:23:49.147

1 Is the Oort Cloud actually opaque, or is the "cloud" used euphemistically because minor planets inside of it are too dim to be seen? 2015-04-01T17:10:30.840

1 If sun steals comets from other stars, then what is the primary source of comets? 2016-01-19T03:05:03.787

1 Is there Kuiper belt/Oort cloud like structure in gas giants? 2016-04-27T06:42:40.590

1 Are the Voyager spacecraft outside of our Solar System? 2016-07-28T10:52:17.007

0 Astronomy Olympiad Gravitation Qn 2016-02-19T14:02:22.710

0 If the Oort cloud has billions of objects larger than 20 km, then why do we have so few comets? 2017-06-26T14:08:51.600

0 Do hypervelocity stars have Oort clouds? 2018-03-30T01:06:24.740