For nearby stars, the use the parallax effect - the fact that stars change their apparent position, due to Earth's movement around the Sun. The larger the parallax angle, the closer the star is to Earth.
Scientists use telescopes, satellites, space probes, and rovers to collect information on moons, planets, and galaxies. They gather data through observations of light, radio waves, and other forms of electromagnetic radiation. By analyzing this data, scientists can learn more about the composition, structure, and dynamics of celestial bodies in our universe.
In the case of a couple of planets and moons, they sent machines to get some samples and have a poke around over there. In the case of all others and the galaxies, they look at pictures from all kinds of telescopes, and combine that with what they know of things like physics and chemistry.
No, not all galaxies have planets. Planets are found within individual galaxies, such as our Milky Way galaxy, but there are many galaxies in the universe where planets may or may not exist.
Scientists primarily discover planets in other galaxies through indirect methods, such as observing the dimming of light from a star when a planet passes in front of it (transit method) or analyzing the wobble of a star caused by an orbiting planet (radial velocity method). Direct imaging of exoplanets in other galaxies is more challenging due to the vast distances involved, but advancements in technology may make this possible in the future.
A person who studies planets and galaxies is called an astronomer. Astronomers observe and analyze celestial bodies such as planets, stars, and galaxies to understand their composition, behavior, and evolution. They use telescopes and other instruments to gather data and make scientific discoveries about the universe.
A telescope is the primary instrument used for stargazing. Telescopes collect and focus light from celestial objects to allow for magnified viewing and observation of stars, planets, galaxies, and other astronomical phenomena.
Galaxies/nebulae are at the top of the tree; each one contains several billion stars. Each star might have many planets orbiting around it, and planets can have many moons.
penis
they learn by going to a good school and study the stars and planets
None. Galaxies on the other hand do contain planets
To know what is the life there, and if there's any other creatures or "aliens". some scientists are looking for planets with water and life on them.
They take some tacos and throw them in space and see if they hit another planet.
No, not all galaxies have planets. Planets are found within individual galaxies, such as our Milky Way galaxy, but there are many galaxies in the universe where planets may or may not exist.
Galaxies are generally a collection of stars. But within any galaxy, there are lots of other objects, including planets. So galaxies are related to planets in some ways.
So far most planets are too hot or too cold to support life or are gas giants. Scientists are yet to find signs of life in other planets, other than planet Earth. The universe has many galaxies and planets, most are still yet to be explored. The search for extraterrestrial life is ongoing.
Probes provide scientists with information on gaseous giant planets, such as Jupiter and Saturn, by gathering data on their atmosphere, composition, temperature, and magnetic fields. This data helps researchers better understand the internal structure and dynamics of these planets, as well as the processes driving their atmospheric phenomena.
There is not much solid information known about planets in other galaxies. Most planets discovered so far are in our own galaxy. This is because it is easier to discover a relatively near-by planet than one that is much farther away. However, the planets found so far make it likely that in our own Milky Way, and therefore other galaxies as well, have at least as many planets as stars.
Scientists primarily discover planets in other galaxies through indirect methods, such as observing the dimming of light from a star when a planet passes in front of it (transit method) or analyzing the wobble of a star caused by an orbiting planet (radial velocity method). Direct imaging of exoplanets in other galaxies is more challenging due to the vast distances involved, but advancements in technology may make this possible in the future.
yes we can live