Astronomy Answers: AstronomyAnswerBook: Earth
Astronomy Answers
AstronomyAnswerBook: Earth
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This page lists questions about "Earth" that are answered elsewhere.
Select a question to go to its answer. The questions are:
- [592] Do all larger moons in our Solar System always show the same face to their planet, like our Moon does to the Earth?
- [583] How come there are places on Earth where it is light for 6 months and then it is dark for 6 months?
- [574] The Earth orbits around the Sun in a year. Then why does the rotation axis of the Earth always point in the same direction?
- [567] Why is the least distance between the Moon and the Earth not the same every month?
- [552] How strong is gravity in the center of the Earth?
- [550] Where on Earth does the Sun not rise in the east?
- [534] If a spaceship were to leave Earth and keep going to the north or south, would it reach any planets?
- [532] How do astronomers determine if an object in space is coming toward the Earth or going away from the Earth?
- [528] Does the Earth follow exactly the same orbit every year?
- [526] What is the formula for the boundary between day and night on Earth?
- [524] Is man the cause of the global warming of the Earth?
- [521] If suddenly a large chunk were removed from the Earth, would the oceans flow over the new edge?
- [514] What is the diameter of the Earth from pole to pole?
- [513] Someone at very great distance sees the Earth as it was in the past. How can the Earth at the same moment be "now" (as seen here on Earth) and "in the past" (as seen from a very great distance)?
- [503] Why does the Moon slowly move away from the Earth, even though that takes energy?
- [482] Which stars are brightest as seen from Earth?
- [480] If I step from the top of a ladder of thousands of kilometers high, do I then fall straight down or do I end up in an orbit around the Earth?
- [478] If it were possible to drill a tunnel straight through the Earth and you jumped in one end of the tunnel, would you then come shooting out of the other end or would you get stuck at the center of the Earth?
- [476] Do we always see the same side of the Moon from Earth?
- [474] If I can jump 1 meter high on Earth, then how large is the planet from which I can jump all the way into space?
- [463] How heavy is a space suit on Earth? And on the Moon?
- [457] Does Jupiter influence the weather on Earth?
- [447] If I let drop two blocks of equal size, one of 10 kg and the other one of 50 kg, from the Moon to the Earth, then which one reaches Earth first?
- [445] Can heat from the Moon affect the weather on Earth?
- [444] Does any heat from the Sun get reflected to the Earth by the Moon, and does that correlate with the phase of the Moon?
- [439] How was the distance between the Sun and the Earth measured?
- [438] How was the circumference of the Earth measured?
- [437] Why doesn't the Moon fall unto the Earth?
- [423] If I stood on the farthest object that has ever been seen from Earth and if I were to look at the Earth from there, would I then look back in time, just like we look back in time when we look at the stars from Earth?
- [416] Why is it important to study black holes if they are no threat to Earth?
- [413] What would be different about our world if we did not have astronomy?
- [397] What is the distance between the Earth and the Moon?
- [389] What would happen to the Earth if the Moon disappeared?
- [386] Does the Sun rise in about the east everywhere on Earth, or is it in the east in one hemisphere but in the west in the other hemisphere?
- [382] What effects does the Moon have on Earth?
- [372] Do I see the same full moon as someone halfway around the world?
- [370] Where does the name of the Earth come from?
- [369] Who discovered that the Earth rotates on its axis once each day?
- [368] What time is it if the Sun is on the exact opposite side of the Earth from me?
- [363] Why is Mars so cold, Venus so warm, and the temperature of the Earth stable?
- [362] What does the rotation of a planet such as the Earth do to its atmosphere?
- [347] What is the distance between the Earth and the Sun called?
- [340] Can the atmosphere bend light so that there is some sunlight behind the Earth after all?
- [332] What would life be like on an Earth-like planet that was ten times as big?
- [325] What would happen (for example to Earth) if the Sun became a red giant?
- [307] From what place on Earth do the stars look the most brilliant?
- [305] Why does the Earth have no weight?
- [302] Why is the Earth's Moon so much larger than almost all other moons?
- [292] How do astronomers calculate the path of the shadow of the Moon on Earth during a solar eclipse?
- [290] Does the length of the day and of the night vary on the other planets (for example, Mars) like it does on Earth? How do I calculate those?
- [283] How many times does the Moon orbit around the Earth each year?
- [270] Can we deflect a large meteorite that is on its way to Earth?
- [261] How can satellites remain in orbit around the Earth?
- [253] Can we evade gravity on Earth?
- [239] Why does the exact date and time of the passage of the Earth through its perihelion oscillate?
- [217] Who first claimed that the Earth orbits around the Sun?
- [216] Which constellation reaches furthest from the Earth?
- [202] How would the Earth move if you could turn off the gravity between the Earth and the Sun?
- [199] How long does it take the Earth to rotate around the Sun?
- [193] How did we determine the mass of the Earth?
- [184] Is the rotation of the Earth around its axis or around the Sun slowing down, and is that a problem for the calendar?
- [170] When is Mars again closest to the Earth?
- [165] Could there be a second Earth-like planet in the same orbit as the Earth but hidden exactly on the other side of the Sun?
- [153] Is it correct that the Moon is slowly moving away from the Earth and that because of this there won't be any total solar eclipses anymore in the distant future?
- [129] What is the diameter of the Earth?
- [127] What country or part of the world has the most sunlight annually?
- [126] Who discovered first that the world is round, and when?
- [125] How come we don't feel it that the Earth rotates?
- [124] Why did the atmosphere of Venus evolve differently from that of the Earth?
- [119] Does the rotation of the Earth influence the weight of things?
- [116] At what speed does a point at the equator rotate around the rotation axis of the Earth?
- [105] Is it possible that the Earth will hit another celestial body in the future?
- [104] At what place on Earth does the Sun never shine?
- [96] Does the Earth rotate clockwise or counterclockwise around its own axis?
- [95] How come the night and the day both last 12 hours everywhere on Earth on 21 March and 23 September?
- [94] Why does Mars get so close to the Earth only once every many thousand years?
- [84] Where are the tropical and temperate zones on Earth?
- [78] How many days, hours, and minutes does the Earth take to rotate around the Sun?
- [76] How long does it take to travel from the Earth to the Moon in a rocket?
- [73] Can the Earth, the Sun, and the center of the Galaxy be on one line?
- [62] How can the Earth rotate?
- [59] How far is Mars from Earth?
- [57] Are there solar systems other than our Solar System that contains the Earth, and is the sun in those other solar systems similar to our Sun?
- [56] Which is larger: the Earth or the Moon?
- [54] How many lightyears is Jupiter from Earth?
- [48] What can we see when Mars is closest to the Earth?
- [44] What is the maximum temperature on Earth in full sunshine, not in the shade?
- [38] Exactly how many times does the Earth revolve around the Sun?
- [36] Is the distance between the Earth and the Sun in the winter greater or smaller than in the summer?
- [35] How big is the Sun compared to the Earth?
- [32] How can people stay on Earth and not fall off?
- [8] What are the results of the impact of a meteorite on Earth and the other planets? What is the chance that a meteoriet hits the Earth or other planets? Can meteorite impacts be influenced?
- [5] How does the Sun turn relative to the Earth?
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Last updated: 2023-12-17