exoplanets articles
What is the problem with exoplanets?
The universe is thick with worlds beyond our solar system, a fact confirmed by thousands of confirmed exoplanets. Yet, t...
How do astronomers determine the size of a planet using the transit technique?
When astronomers want to figure out just how big an alien world is, especially one orbiting a distant star, they often t...
In which of the following cases would the transit method be used?
The transit method, a powerful technique in astronomy, is specifically employed in the quest to find and characterize **...
Why is it highly unlikely that any of the stars in a globular cluster would have planets?
The very idea of a star system existing within a dense globular cluster often feels counterintuitive, given our familiar...
What is the best explanation for the close-in orbits of hot Jupiters?
The discovery of exoplanets radically reshaped our understanding of planetary systems, but few findings were as surprisi...
What is the best explanation for the location of hot Jupiters?
The discovery of exoplanets has fundamentally reshaped our view of planetary systems, presenting astronomers with many u...
How are exoplanets measured?
Determining the properties of worlds orbiting stars light-years away is one of astronomy’s most impressive achievements....