Tag: earth

111 How loud would the Sun be? 2015-12-15T00:51:33.153

61 How does the Earth move in the sky as seen from the Moon? 2014-12-01T19:15:42.050

38 How old is the oldest light visible from Earth? 2018-04-10T00:40:13.947

29 Why does the Moon appear gray when passing between the Sun and the Earth? 2016-07-26T12:38:43.577

27 Could any known, living organisms on Earth survive on Mars? 2013-12-05T14:19:22.300

24 Simple experimental evidence that Earth revolves around Sun 2018-07-09T13:17:25.767

22 Are we made of the stuff of one star or more stars? 2014-01-12T16:56:06.117

22 Can you see man-made lights on the dark side of the Earth from the surface of the moon with the naked eye? 2014-12-02T04:49:39.017

22 Does the Earth have another moon? 2014-12-19T10:42:55.713

21 Why does the Earth have a tilt of ~23°? 2013-10-08T22:18:17.050

19 How stable are Lissajous orbits? 2013-12-20T08:46:17.877

18 Do other planets in our solar system experience eclipses or is this unique to Earth? 2013-09-26T09:04:21.743

18 Why do stars appear to twinkle? 2013-09-26T10:08:58.087

18 What is the distance that the Moon travels during one orbit around the Earth? 2013-11-20T06:37:21.087

18 Did the earth form outside the solar system? 2016-09-27T19:01:10.420

17 Is it a coincidence that both the sun and moon look of same size from earth? 2014-04-23T05:30:55.520

16 Why doesn't Earth's axis change during the year? 2015-01-02T20:11:09.540

15 Why is the Moon receding from the Earth due to tides? Is this typical for other moons? 2013-09-30T18:34:39.193

15 Will Earth lose the Moon before the Sun goes into supernova? 2014-11-18T22:41:21.803

15 How many planets have we discovered that can support human life? 2015-12-06T10:48:57.673

14 If the moon wasn't receding from Earth, what would be the impact on the weather and tides? 2013-09-27T19:25:53.543

14 Why haven't Earth and Venus got any tiny moons? Or have they? 2014-02-14T12:10:05.960

14 Is the Earth going to evolve towards Mars' fate or Venus' fate? 2016-02-02T13:11:43.620

13 What is the current theory for the formation of the Earth's Moon? 2013-09-27T02:07:51.733

13 Were effects of a planetary magnetic field reversal observed on other planets than Earth? 2013-10-09T02:33:07.800

13 Why don't we have 2 Summers and 2 Winters? 2013-12-16T13:46:03.487

13 What will a lunar eclipse look like from moon? 2014-04-16T06:10:05.623

13 What if Earth and Moon revolved around each other like Pluto and Charon? 2015-12-07T11:47:12.650

12 Changes to Earth's orbit 2013-11-01T00:12:56.400

12 How do people measure the distance between the Earth and The Moon? 2013-12-08T07:29:52.590

12 If we found evidence of life on Mars, how would we know that it originated on Mars rather than Earth? 2015-10-09T16:50:58.443

12 Is Earth unique in its fairly clear atmosphere? 2015-11-17T18:36:37.307

11 What is the relevance of the Tropics and the Polar Circles? Do they Exist on other planets? 2013-09-26T09:01:50.140

11 Why does Mars appear to retreat across the sky? 2013-09-27T20:41:48.637

11 Why isn't Earth a perfect sphere? 2013-10-05T02:49:17.953

11 How often does Earth cross the galaxy regions with higher supernovae activity? 2013-10-08T20:39:08.893

11 Why is the Earth's center still hot after millions of years? 2013-10-19T02:28:52.150

11 How much of an effect does the moon have on Earth's liquid mantle? 2013-10-23T20:23:33.997

11 Could Venus be a source of Earth's apparent overabundance of water? 2013-12-01T21:55:00.127

11 How can the Earth's rotation speed up? 2013-12-11T10:55:03.567

11 How did the Earth come to be in orbit around the sun? 2016-06-05T20:18:30.107

11 What is the distance of the Earth's orbit around the Moon? 2018-03-05T07:37:57.100

10 How would Earth's climate differ if it's axis were tilted around 90 degrees like Uranus? 2013-11-04T05:09:38.503

10 Is there a pattern between the mass of a body and the mass of orbiting objects around it? 2013-12-09T14:23:08.600

10 What mechanism causes oscillations of the solar system's orbit about the galactic plane? 2014-03-18T01:57:15.347

10 If Earth didn't rotate, would we feel heavier? 2014-04-30T00:19:32.837

10 How did water get on Earth 2015-03-27T02:17:57.027

10 Why doesn't the sun pull the moon away from earth? 2015-06-08T17:19:24.517

10 Moon's orbit around the Sun 2015-06-13T15:10:42.493

10 Why don't storms on gas giants move to the poles, like hurricanes on Earth do? 2016-02-01T02:30:06.043

9 Does the Moon's magnetic field affect Earth's magnetic field? 2013-10-10T19:33:50.770

9 How bright is the full Earth during the lunar midnight? 2014-12-04T11:56:37.180

9 Why Earthian atmosphere is so thin? 2015-08-03T01:12:16.360

9 Does Mars contain more iron than the Earth? 2015-10-19T19:01:54.057

9 If the Sun got larger, but maintained its luminosity, would the Earth get hotter or colder? 2015-12-20T08:24:35.740

9 Determining latitude and longitude in bad weather 2017-01-13T09:09:44.890

8 Did we ever actually see the earth revolving around the sun? Is the geocentric model completely disproved? 2014-05-26T14:11:32.490

8 How likely and severe is the threat of a gamma ray burst to earth? 2014-05-30T11:36:25.920

8 "If earth had rings like Saturn": A few further thoughts on the consequences 2014-07-03T11:55:03.750

8 Is it possible to move a planet out of its orbit? At least a lighter planet? 2014-07-18T08:09:28.267

8 Is it possible for a person to not see the new moon at different places on earth? 2014-08-08T11:36:59.597

8 Why does this graph for sunlight intensity on land has a steeper slope during sunrise as compared to sunset? 2014-10-29T10:12:28.570

8 Does Sun have a reflection on Earth? 2015-06-19T16:09:47.593

8 Why Earth does not have rings? 2015-09-05T20:09:25.083

8 How can one explain the apparent motion of the Sun from a heliocentric point of view? 2015-09-28T16:04:17.047

8 Decreasing rate of Earth's rotation: where does the power go? 2016-09-02T16:30:25.637

8 If earth changed its orbit, what would happen to the moon? 2017-01-13T15:50:41.317

8 How can I calculate the time between sunset and actual darkness? 2017-06-21T12:33:22.333

8 How did we first determine the Earth's departure from sphericity? 2017-08-04T02:04:54.490

8 Explain to a 4-year old why people below the equator are not tilted or suspended upside down 2018-01-07T17:41:48.230

8 Can one detect from earth that angular momenta of its axial rotation and its orbital rotation are "almost parallel"? 2018-10-21T10:39:29.607

7 Can I look at the sky and find the day of the week? 2014-07-04T00:17:53.893

7 Could the Philae comet lander be recharged by laser? 2014-12-04T21:32:48.507

7 As days get longer, why isn't the added daylight split evenly between sunrise and sunset? 2015-01-06T10:08:41.153

7 Meteorites bring water 2015-01-11T13:19:04.807

7 Why do some artificial satellites decrease and increase in brightness multiple times? 2015-07-25T01:47:22.633

7 Where exactly does the Moon flip, given that it appears the other way up in the other hemisphere? 2015-09-20T03:54:02.660

7 Energy deposition in planet Earth due to gravitational waves 2016-09-26T12:19:45.860

7 Will the Earth ever be tidally locked to the Moon? 2016-10-20T13:18:26.970

7 Why does each and every planet of our solar system have an unique axial tilt angle? 2018-06-08T18:33:27.553

6 Earth and ferromagnetism 2013-10-07T17:31:13.553

6 Could something temporarily break the Moon's tidal lock? 2014-01-03T17:26:59.120

6 What distance has the moon been from earth at the closest? 2014-01-21T21:30:54.017

6 If an Asteroid was to strike the Earth, would it affect the Earth's rotation? 2015-09-16T13:22:38.610

6 22nd is shortest day in some places, but the 21st is shortest in other places. Can this be true? 2015-12-21T17:10:30.147

6 Does the Sun impose back it's tidal forces onto the Earth (such as the Earth's to the Moon)? 2016-01-26T16:41:43.517

6 Is Earth slowing down in order to stay on its orbital track? 2016-06-15T09:36:31.000

6 What color is earthshine? 2016-07-04T11:56:48.737

6 How fast would Earth need to rotate to fling someone off due to centrifugal force? 2016-07-06T02:09:45.827

6 Can Earth have a ring? 2017-01-13T16:50:40.410

6 Why isn't the day backwards between leap years? 2017-11-07T17:06:07.253

6 Temperature of Earth if tidal locked with the Sun? 2018-02-01T15:12:04.397

6 Effect of the obliquity of the ecliptic / tilt of the Earth on the equation of time 2018-03-20T22:23:39.307

6 How can Earth-Sun Lagrange points L1 & L2 even be semi stable considering the moon? 2018-03-23T17:01:39.907

6 Do we know how old the matter that makes us is? 2018-06-19T15:33:21.343

6 In astronomy Is there a name for the exact time between solar noon and sunset? 2018-11-11T14:10:22.417

5 Latest sunrise/earliest sunset out of phase with solstice? 2014-01-03T17:50:34.377

5 Would it be possible to calculate the expected frequency of impact craters of all sizes on Earth 2014-02-13T21:29:34.147

5 Why don't we feel the speed of earth moving 2014-03-18T05:29:03.573