On the 10th of April of this year (EST), Earthlings beheld for the first time a real image of one of the most mysterious objects in the universe – the black hole. The image is blurry, at best – a black circle with a fuzzy orange and yellow glowing ring around it. What’s the big […]
Astronomers Discover a Planet with Three Suns
A team of astronomers, led by the University of Arizona, announced in July 2016 that they had used the direct imaging technique to discover planet HD 131399Ab. This planet is about 340 light years from Earth and roughly 16 million years old. It has the widest orbit yet discovered for a planet in a multi-star […]
The Age of the Universe
Scientists have concluded that the universe is about 13.8 billion years old. They measured the universe’s age using two methods: by evaluating the rate of its expansion and by calculating the age of its oldest star. Astronomers are able to tell a star’s age by how bright it is. Large stars burn brightly, but burn […]
