How heavy is a kilogram, how long is a second? How warm is a degree? We measure our Universe is so many different ways, using different units of measurement. But how do scientists come up with measurement tools which are purely objective?
Visit the Astronomy Cast Page to subscribe to the audio podcast!
We record Astronomy Cast as a live Google+ Hangout on Air every Monday at 12:00 pm Pacific / 3:00 pm Eastern. You can watch here on Universe Today or from the Astronomy Cast Google+ page.
Does another undetected planet languish in our Solar System's distant reaches? Does it follow a…
It's that time again. NIAC (NASA Innovative Advanced Concepts) has announced six concepts that will…
On Friday, May 3rd, the sixth mission in the Chinese Lunar Exploration Program (Chang'e-6) launched…
Earth is the only life-supporting planet we know of, so it's tempting to use it…
Multiple space agencies are looking to send crewed missions to the Moon's southern polar region…
Last November, NASA's Lucy mission conducted a flyby of the asteroid Dinkinish, one of the…