Space & Exploration

The Spaceline: an Elevator From the Earth to the Moon

Space elevators are a fascinating concept as they will bring down the cost of space travel enormously. If we really want space travel to become available for the masses in the future we should invest in this concept. Two astronomers recently proposed a new concept building on the idea of a space elevator called a spaceline. Enjoy this curated article on the subject:

Why we need to get back to Venus

Why we need to get back to Venus

Venus is the second planet from the sun, and in addition to its similar chemical makeup, it is approximately the same size and mass as Earth. It’s sometimes even called ‘Earth’s sister planet’. Although it is a fascinating planet, it has been ignored in the past few decades. Is it time for a new Venus exploration mission? Enjoy this curated article

The Milky Way’s Black Hole Just Flared, Growing 75 Times as Bright for a Few Hours!

Even though the black hole at the center of the Milky Way is a monster, it’s still rather quiet. Called Sagittarius A*, it’s about 4.6 million times more massive than our Sun. Usually, it’s a brooding behemoth. But scientists observing Sgr. A* with the Keck Telescope just watched as its brightness bloomed to over 75 times normal for a few hours.