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we've only found more than 300-256 . but we cannot determine the number of all the exo-planets in the universe.

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14y ago
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6mo ago

As of October 2021, astronomers have discovered over 4,500 confirmed exoplanets. This number continues to grow rapidly as new telescopes and technology are developed to detect more of these planets outside of our solar system.

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Q: How many exo-planets are there?
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Related questions

How many exoplanets were recently discovered?

about 403.


How many new exoplanets were found by European Astronomers?

European astronomers have discovered thousands of new exoplanets. The European Space Agency's Cheops mission, for example, has discovered over 50 confirmed exoplanets so far. Other European efforts, like the European Southern Observatory's HARPS instrument, have also contributed significantly to the discovery of exoplanets.


How many exoplanets do we know of?

As of October 2021, scientists have confirmed the existence of over 4,500 exoplanets. This number continues to grow as technology advances and more exoplanet-hunting missions are conducted.


What exoplanets are in our solar system?

There are no exoplanets in our solar system. By definition, an exoplanet is a planet that is not in our solar system.


Does Procyon have exoplanets?

As of now, there have been no confirmed reports of exoplanets orbiting Procyon. However, it is possible that there may be undetected exoplanets around this star waiting to be discovered through further observations.


What do you call the planets and stars?

exoplanets


What are the 3 exoplanets?

"The 3" is just plain wrong; much more than 3 exoplanets have been found so far.


What are the planets out of your solar system?

Planets outside our solar system are called exoplanets. Thousands of exoplanets have been discovered orbiting other stars in the Milky Way galaxy. They come in a variety of sizes and compositions, and many are quite different from the planets in our own solar system.


What planet orbits a star other then the sun?

There are many planets that orbit stars other than the Sun. These are known as exoplanets and have been discovered in many different star systems throughout the galaxy. Some stars have multiple planets orbiting them, similar to our own solar system.


How are exoplanets currently being detected?

Exoplanets are currently being detected using various methods, including the transit method (detecting the decrease in a star's brightness as a planet passes in front of it), the radial velocity method (measuring the wobble of a star due to the gravitational pull of an orbiting planet), and the direct imaging method (taking pictures of exoplanets themselves). Other techniques like microlensing and astrometry are also used to detect exoplanets.


What are the majority of exoplanets made of?

The majority of exoplanets are believed to be made of rock, metal, and/or ice. These materials are similar to the composition of planets in our own solar system. Some exoplanets may also have atmospheres composed of gases such as hydrogen, helium, carbon dioxide, and water vapor.


Can exoplanets be observed with telescopes and satellites?

I believe some of them can, but mostly, the exoplanets are discovered and observed with more indirect methods - especially by analyzing the gravitational effects on the star.