Extrasolar Planets

A New “Mathematical” Definition Proposed for What Constitutes a Planet

In the current (heated) debate of what constitutes a planet, it seems everyone can agree at least one thing: The…

9 years ago

New Visualization Shows Incredible Variety of Extraterrestrial Worlds

Here’s a great new poster showing over 500 extrasolar planets (about one quarter of the total) that have been discovered…

9 years ago

What’s Coming After Hubble and James Webb? The High-Definition Space Telescope

Decades after its momentous launch, the ever popular Hubble Space Telescope merrily continues its trajectory in low-earth orbit, and it…

9 years ago

Newest Planet: Is it Pluto, Eris or Extrasolar?

With astronomers discovering new planets and other celestial objects all the time, you may be wondering what the newest planet…

9 years ago

Weekly Space Hangout – May 29, 2015: Dr. Bradley M. Peterson

Host: Fraser Cain (@fcain) Special Guest: This week we welcome Dr. Bradley M. Peterson, whose research is directed towards determination…

10 years ago

Oldest Planetary System Discovered, Improving the Chances for Intelligent Life Everywhere

Using data from the Kepler space telescope, an international group of astronomers has discovered the oldest known planetary system in…

10 years ago

Spectroscopy: The Key to Humanity’s Future in Space

Imagine, if you would, a potential future for humanity… Imagine massive space-elevators lifting groups of men, women, and children skyward…

10 years ago

New Research Suggests Better Ways To Seek Out Pale Blue Dots

The search for worlds beyond our own is one of humankind's greatest quests. Scientists have found thousands of exoplanets orbiting…

10 years ago

Could A Planet Be as Big as a Star?

How big do planets get? Can they get star sized? Everybody wants the biggest stuff. Soft drink sizes, SUV’s, baseball…

10 years ago

Join the Live Discussion: The Hunt for Other Worlds Heats Up

As readers of Universe Today know, exoplanets are one of the hottest topics in astronomy today. In just the past…

10 years ago