Category: Science
For 85 years after its discovery, Pluto was little more than a dot in a telescope — until 2015, when a piano-sized NASA spacecraft that had traveled more than three billion miles flew past and revealed a world with a 1,000-kilometer heart-shaped glacier of frozen nitrogen and a surface so young it should not exist.
In December 2024 a NASA spacecraft flew straight into the Sun’s outer atmosphere at 430,000 miles per hour, the fastest any human-made object has ever moved, through a region millions of degrees hot — and survived because a 4.5-inch carbon shield kept everything behind it at roughly room temperature.
In the far future the expansion of space will carry every other galaxy beyond the reach of our telescopes, leaving the astronomers of that era with an empty sky and no way to ever discover that the Big Bang happened
Supermassive black holes may be surrounded by dark matter clusters, new ‘echo map’ technique suggests
