What is a super-Earth in exoplanet research?

Super Earth refers to planets with a rocky core that has a radius of between 1.5 to 2 of that of Earth. They represent a class of exoplanets of significant scientific interest given the possibility of Earth-like habitability with respect to life, and is a target for observation by both space-based and Earth-based observatories. Thus … More What is a super-Earth in exoplanet research?

Global network of standardized telescopes for time domain astronomy

Feature article in Science, Vol. 356, Issue 6337, pp. 476-479, “A global robotic telescope network helps astronomers keep up with the fast-changing sky”   Summary of article: Using standardized telescopes of diameter between 2 meter and 40 centimeters, a global network of automated telescopes lend clarity to distant stars, galaxies and even exoplanets through the … More Global network of standardized telescopes for time domain astronomy

Our moon is bigger in size to Pluto, but it is not a planet. What defines a planet?

Our moon’s diameter is 3476 km (Link), which is larger than that of Pluto, which stands at 2370 km (Link). Hence, can our moon be a planet? Answer is yes, if our moon orbits in a circular or slightly elliptical orbit around a star. It is our moon because it orbits around our planet, Earth. … More Our moon is bigger in size to Pluto, but it is not a planet. What defines a planet?