61 thoughts on “Finding Our Place in Space

  1. The earth is in between the sun and mars while the moon orbits the earth. The reason that scientists knows this is that they can look through telescopes and also look at monitors so they can see through satellites and rovers.

  2. The Earth is the thrid planet from the sun, however I do not know the exact distance. Scientist know this by satellites, and real interaction of going to the moon and back. My main question is, how far is the Earth (in miles) away from the sun? My other question (which isnt fully on topic) is, How did scientists know that it would be safe to travel to the moon, and how did they know it was possible to send out satellites?

    • Now that I have gotten more reliable information on the topic of Earth in space (and the solar system in general), I know have much more knowledge about space compared to before. The Earth is the third planet from the sun (149.6 million kilometers away from the sun). The planets all revolve around the sun as it’s main source and each planet is set up in a certain order, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune (which is all in order from the sun and out).

  3. The Earth is in a Solar System which as many other planets in it. The scientists know this because they look though a telescope and study the galaxy and how it works.

    • The Earth is in a solar system which has 8 different planets and they mostly
      rely on the sun and on each other. Scientists know where planets are because they have satellite that take pictures and they have telescopes that they can look at the solar system. Why did they call it a solar system?

  4. I’m really not sure where it is but I have a idea on what where it is. It’s by the milky way maybe? Scientist find that out by astronauts when they see it.

    • I found out some more new things and it was pretty good to hear cause some things I heard, I didn’t even know. The earth is by the Milky Way. Which lies about two thirds of the way out from the center of the Galaxy. Some parts of the Solar System is eight planets, as well as numerous comets and asteroids and dwarf planets which orbit the Sun.

    • I found out some more new things and it was pretty good to hear because some things I heard, I didn’t even know. The earth is by the Milky Way. Which lies about two thirds of the way out from the center of the Galaxy. Some parts of the Solar System is eight planets, as well as numerous comets and asteroids and dwarf planets which orbit the Sun.

  5. Everything in space is constantly moving so scientists never know exactly where the Earth is in space. Further than the Earth’s home solar system the Milky Way anyways and scientists know this because they have explored space with satellites , rovers, and rockets.

    • it is the third rock from the sun and we know where it is because we are getting acted on by the other planet’s gravity.

  6. The earth is like the second or third closest planet to the sun.There is somewhere between 5-6 planets after the earth. Scientists know that by the super high tech telescopes that they use and satellites. They’ve already discovered a planet that is similar to earth and has water that could be suitable for human uses. What are all the planets names?

    • The Earth is the third planet closest to the sun and there are five planets after Earth. In order the planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. They use high tech telescopes to find this out and also satellites. They use units of measurement to make measuring of the planets a lot easier. The first one is the astronomical unit and that is about 150 million kilometers. The second one is light years and that is about 300,000 kilometers per second or in one year about 9,460,000,000,000 kilometers.

  7. The earth and the sun have two planets between them, one of the two is Venus. The Moon is orbiting the Earth, the Earth is next to Venus, Venus is between Earth and Mercury, and Mercury is next to the sun. How do scientist know exactly where everything in the solar system is?

  8. The earth’s place is in a solar system that orbits the sun along with several other planets. Scientist know this because astronauts have traveled in space and witnessed some of these things. scientists also have certain tools like telescopes and drones that can see what’s going on out in space.

  9. The earth is in a solar system in space between the moon and the sun. The earth orbits around the sun and the moon orbits the earth. scientists have brought people to space to study and get better picture of what actually is out there they would also use huge telescopes and some even space like the Hubble telescope.

    • The earth is in a solar system in space between the moon and the sun. The earth orbits around the sun and the moon orbits the earth. Scientists have brought people to space to study and get better a picture of what actually is out there.

  10. The Earth’s position in the solar system is the 3rd planet closest to the Sun. The reason that scientists know this is because there are satellites like the ISS in Earth’s orbit, constantly taking pictures and videos of the solar system. I have a question, how hot does a planet need to be to support stable life?

    • Unfortunately, I was unable to find out how hot a planet needed to be in order to support life. However, I was able to find out more about how the Earths position in the Solar System. For instance, the planets that orbit the Sun slightly affect the Earth’s orbit of the Sun as well. I have a question. What planet has the biggest effect on Earth in any way?

  11. The Earth is a part of the Solar System which consists of eight planets and the sun. The Solar System is apart of one of the arms of the milky way called the orion arm. Scientists know this because of space exploration. Scientists have accomplished space exploration by sending out different kinds of robots like rovers or maybe satellites, as well as human exploration like Neil Armstrong who was the first man to walk on the moon. How do scientists send these robots and people into space?

    • Earth is the third planet closest to the sun. Scientists know this because of high tech telescopes, satellite’s, and other things like robots.

  12. The earth is always rotating around the sun all of the time and the moon is orbiting the earth. When the astronauts go to the moon and the earth will be by the sun. So when they go back they look towards the sun. The scientists have a radar scanner and are able to see whats coming or whats up in the space. The earth is also that by the milky way, which orbits the sun. How do the scientists know the differences between all the planets?

  13. earth is very far out in space., scientists most likely know this because they use special tools to find out how far it is. how do they measure it ?

  14. The Earth has mainly two planets between them or somewhere next to it.
    The earth is in the solar system with all the other planets. I don’t really know
    how scientist know this but I want to know how they figured this out.

    • I learned that the Earth’s inner core is the same temperature as the sun.
      I also learned that on Earth a year last over 365 days. It is actually 1/4 of a day over 365 days which is why we have leap year.

  15. The Earth is the third planet closest to the Sun. Scientists know this because they could put spacecrafts out in space, they could use telescopes, or mirrors to see whats behind the Earth. How did scientists know where and how to put satellites out in space?

    • Satellites are used to explore the Solar System as Earth goes around the Sun. I didn’t find out how astronomers knew how and where to put them though. The Solar System is actually very small compared to other objects in space. The Sun is a medium sized star, and compared to Earth it is really big. There are stars bigger than the Sun, and probably other planets that orbit them similar to the Solar System.

  16. Earth is the third planet from the sun, its between Venus and Mars. Scientists use scientific instruments like spectrometers and telescopes to tell where Earth is. Why would they use a spectrometer? When did they first invent the spectrometer and telescopes?

  17. Scientists know where the Earth is located by using computers and satellites to navigate what planets are near it and its relative location to them. Maybe they put the solar system into a smaller scale to find out the exact distance but in order for that you would probably need to know the real life distance before making a model of it.

  18. The earth is the closest planet to the sun they are both in outer space. Maybe scientists know from rovers or astronauts that they have sent up in space or from when the astronauts were in space. It would be nice to know how the scientists actually found this out.

  19. The Earth is the 3rd planet from the sun. Scientists know this by having rovers and satellites take pictures of space and send them back to Earth, so scientists who study space can look over them.

    • The Earth is still the third planet from the sun. The planets in order are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. I still believe that scientists use telescopes, satellites, and rovers to take pictures and then send them back to Earth.

  20. The earth is in the solar system, along with all of the other planets rotating around the sun. But the earth is not only rotating around the sun, the MOON is rotating around the EARTH!!!! The reason scientists know this is well, I don’t really know, But I am assuming that they know from space technology that snaps photos in space. Then they look at those photos and are like”wow that is very cool”

  21. The Earth orbits the sun and is the third planet from the sun. Scientists know this because of how we can see the solar system from Earth and looking through a telescope. We also know this because of the space exploration and satellites sent up to take pictures.

    • I learned a lot of really cool things about Saturn in this investigation. I learned that Saturn makes it’s own heat and it’s density is so low it could float on water. I also learned that it has over 60 moons. And the rings were once thought to be moons.

  22. Scientists know where the Earth is located by using Satellites to detect where the sun and other planets are located. They might also send out little mini robots that act like Satellites too. But Isn’t the Earth like the third planet from the Sun? I think it might be because our Planet is not too Cold or too Hot like the planet farthest from the Sun and the Coldest.

    • Now that I know so much more about the Moon, Planets, and the Solar System, I can say that Scientists know where The Earth and other Planets are based on Satellites or past discoveries. Scientists now use a mini Satellite that they send up into the Solar System to observe the Planets as the days go by. Mercury is the closest planet, Venus is the second closest, Earth is the third, Mars is fourth, Jupiter is fifth, Saturn is sixth, Uranus is seventh, and Neptune is the Coldest Planet in the Solar System.

  23. The Earth is the third planet away from the Sun. Scientists know this because of highly developed telescopes, satellites, or images from space station take offs into space. What is the planet farthest from the Sun made of?

    • With more information the Earth is the third planet away from the Sun, all the planets in order are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune. Scientists know this because of highly developed telescopes, satellite images, or images from space stations take offs into space. The farthest planet from the Sun is made of gas and slush.

  24. The earth is between venus and mars, because the scientists will be on where the earth goes to the sun and moon. The earth is part of the Solar System.

  25. Science can tell where earth is because we have sent satellites and maned rocket ships to space. They can take pictures to prove that we are where they say we are. There are also stars and other things that we can gauge where we are in space by.

    • In Class I learned that even though on a universal scale the solar system we live in is pretty microscopic its still pretty huge compared to most other things. I also learned that most or all models of the solar system are LIES!!!!! None of the planets are that close together.

  26. the earth is near the sun and isn’t the sun the biggest planet in the solar system? pretty sure it is if they they see the sun the should see earth 3rd plant from the sun believing so. wouldn’t they need to people to have like a gps or something because they can’t just send people out into space and expect for them to find there own way back.

    • i learned that all the planets orbit the sun in someway i also learned that all the planets are important if on gets removed it hurts the whole system and sun is the main thing in the solar system it is vey important soon it will die out and everything will die out because the sun its the thing that keeps everything up.

  27. The Earth is far and not so far from the sun while orbiting the sun and the moon orbiting the Earth. How scientists know this is by sending satellites into space and taking pictures.

    • The Earth is the third closest planet to the sun, and then the second closest is Venus, and the closest planet to the sun is Mercury. Also, scientist use telescopes to see the sky, like space. And satellites.

  28. The earth is the 3rd planet from the sun with venus in front of the earth. The way scientist know this is by using very big and strong telescopes to see how many planets there are in the solar system and where they are in said solar system. For the question what two planet’s are next to the earth?

  29. The earth is a part of the solar system in between Venus and Mars. Scientists could tell by telescopes looking up at a different direction seeing all the other planets.

  30. The earth is the 3rd planet from the sun. Scientist know that the planets go in this order because the U.S.A. and other countries have launched satellites into to space to see what is around us. Also people have seen other planets in super strong telescopes. How does the U.S.A. and other countries find planets thousands of lightyears away?

    • I’ve learned that the temperature range on Jupiter is -128 C and -13 C. I also learned that there is almost no to scale diagram of the solar system. I also learned the order of the planets, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto.

  31. Earth is the third closest planet to the sun between mars and venus. It is around 92 million miles away from the sun. Earth is also located in the milky way galaxy. Scientists know this by doing things like space probes into space to do research on the galaxy. They also have things like space telescopes to see far into space without having anything even in space.

    • We are the third planet from the sun. We are behind Mercury and behind Venus. We are also 92.96 million miles away from the Sun. Scientists know this by sending things like space probes into space for things such as measurements and pictures to observe earths place in space.

  32. The Earth is in the milky way galaxy. It orbits the sun, along with other planets, including Mars, and Venus, which are the closest planets to the Earth. However, Earth is not in one place forever, and is always moving, because it orbits the sun, and the sun is traveling at a fast velocity. Scientists know this by using advanced equipment such as satellites, and telescopes. Though is the only way to determine the position in space by comparing your relative position to other objects?

    • Usually, a typical scale model of the solar system is not actually to scale. This is because when to scale, the planets are microscopically small compared to the distance between them. Mercury is the closest planet to the sun, followed by Venus, then Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, (though some might consider Pluto). The solar system is a system, meaning it is a set of connected things or parts forming a complex whole. The planets orbit the Sun. Without a certain planet, an orbit of another planet might not be an orbit anymore. Though if there isn’t a planet in our solar system, will it actually affect the orbit of another planet?

  33. Are place in space is the third planet from the sun and were the only planted that have good air for us people to live in. We are still finding other planets to live on so we can build new areas to live on different planets so that we can go from planet to planet.We can fine shelter from other things that hit are home planet now in the future we only sent drones up to different planets to study but “why cant we send people with the drones to explore for peoples view not drone view”. We are the only planet the we know that has life on it out of all of them we have seen have no life but good living conditions the life and other wild life to help us people live in places like this and we can adapt to the environment thats how we can survive out there.

  34. The Earth is a planet located in the Milky Way Galaxy. It revolves around the sun along with 7 other planets. The Earth is 3rd planet from the Sun, right between Venus and Mars. Scientists know this information because they’ve sent so many things into space to gather this information that help them with their studies and figure out complicated data that can tell scientists where Earth’s place in Space is.

  35. The Earth is the third planet from the sun. Scientists know this because they are able to send out satellites and other spacecrafts to explore and gather information about the solar system.

  36. the earth is the 3rd cloest planet to the sun. scientist know this because the use satllites and telescopes to find where the planets are. the earth is also in the milky way. The solar system works in a system because of the way it orbits the PLANET before it . plants in order – sun -mercury-venus-esrth-mars-juptier-saturan-uranus-neptune

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