1. Eris is quite small.
2. Eris is very far away!
a long time
No. Approximately 6000 stars can be seen with the naked eye, but there are many trillions of star out there that we can NOT see with the naked eye. Even the closest star after the Sun - Proxima Centauri - can't be seen without telescopes.
It varies. See this thread.http://board.alluc.org/viewtopic.php?id=29001
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Millimeter wavelengths are short frequency radio waves astronomers use because they can see gases and other phenomena not visible in visible light. MM wavelengths are usually used where the air is dry so water vapor can't scatter the waves.
Eris is located in the Kuiper belt [See related question] beyond the orbit of Neptune.
when you use a very, very strong telescope and even then eris will be smaller than a grain of sand.
because it takes a star long time to reach at the stage. That's wahy the astronomers can't see the dwarfs stars, and also these stars are small you will have to foucus on it little hard.
Yes. While the sun is much dimmer when view from Eris, it is still brighter than any other star.
Astrologers look at stars and predict events according to what they see. They are different from astronomers because astronomers have a scientific basis, while astronomers do not.
1995
Eris is located in the what is known as the scattered disk, beyond the kyper belt. Ceres is the only dwarf Planet in the asteroid belt. See related question.
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Eris is located in the what is known as the scattered disk, beyond the kyper belt. Ceres is the only dwarf Planet in the asteroid belt. See related question.
No, Eris isn't a planet, it is a dwarf planet. See the related question "What is a dwarf planet?" for more details on the differences. Eris is the largest known dwarf planet in the solar system and the ninth-largest body known to orbit the sun directly. No Iris is a satellite.
Through the Spitzer Telescope
Yes they do. See related question.