Astronomy Guide Archives -
In constellation Cygnus the swan, about 600 light years away from us, sits an amazing planet that could have continents, oceans and creatures already living on its surface, a place that is just right in meeting all the requirements for life, Kepler 22b.
In the constellation Libra about 190 light years away from our planet, reside one of the most mysterious objects in our galaxy, the impossible star which appears to be older than the universe itself.
The Crab Pulsar was born with supernova explosion which was widely observed on Earth in the year 1054. The Crab Nebula is located 6,500-light-years away from us in the direction of Constellation Taurus.
From today, we will start a powerful and fun resource for kids, astronomy for kids lessons, exploring our universe and space related topics, lessons designed with kids in mind, as well as their parents.
It’s proven to be one of the most divisive issues in modern science. In one stroke, thousands of textbooks were after date. As astronomer, I’m always being asked about Pluto, why was it reclassified? And, if it’s not a planet anymore, than what can it be? — So, why isn’t Pluto a planet anymore?
Jupiter, Saturn, Uranus and Neptune all have rings, so why doesn’t Earth have rings too? Turns out that, mostly, the answer is luck.
How do astronomers estimate the mass of the Milky Way galaxy? It seems like a simple question, but it is not. Our galaxy consists of roughly 100 billion stars, stretching up to 200,000 light years from edge to edge, wide enough to makes it very difficult to measure.