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Because of perturbations within the observed star.
What else can I help you with?
How can astronomers tell whether there is a second unseen star in a system?
Astronomers can infer the presence of an unseen star in a system through its gravitational influence on the observed star(s). This influence can manifest as deviations in the star's orbit or variations in its brightness or spectral features. Techniques such as astrometry, radial velocity measurements, and gravitational lensing can also be used to detect the presence of unseen stars.
What observation caused astronomers to search for Neptune?
Uranus was observed deviating from its predicted orbit, leading astronomers to hypothesize the existence of an unseen planet exerting gravitational influence. This discrepancy prompted the search for Neptune, which was later discovered in 1846.
Is the service replayed in badminton?
DEFINATELY. The service is always replayed. Whether seen or unseen, its a rule of ancient china times.
Where to be an busboy?
A busboy is responsible for keeping restaurants table clean and presentable to the guest. Second he is the unseen workers of the restaurant.
What actors and actresses appeared in Unseen Enemies - 1926?
The cast of Unseen Enemies - 1926 includes: Claire Anderson as Doris Davenport Bud Gildebrand as First Davenport Boy Clayton Gildebrand as Second Davenport Boy
Who is second in sabotaged by Margaret Peterson Haddix?
In "Sabotaged" by Margaret Peterson Haddix, Glen is the character who is second-in-command of the Unseen. He supports Jonah and helps him throughout the story.
What method is used by astronomers to infer the existence in space of a dark object?
Astronomers detect the existence of dark objects in space through indirect methods like gravitational lensing, where the object's gravity bends light from background sources. They also use the dynamics of stars and galaxies to infer the presence of unseen mass, such as in the case of dark matter.
What does the name Hades mean?
The Unseen One.
What are the release dates for Unseen Hollywood - 1998 Unseen Hollywood 1-1?
Unseen Hollywood - 1998 Unseen Hollywood 1-1 was released on: USA: 1998
What part of speech is unseen?
"Unseen" can be an adjective or a past participle verb, depending on how it is used in a sentence.
When was An Unseen Enemy created?
An Unseen Enemy was created in 1912.
When was Unseen Academicals created?
Unseen Academicals was created in 2009.
