Astronomers first became aware of WISEA J153429.75-104303.3 about three years ago, but the details have only now started appearing in print.
A Failed Star With Unexpected Properties, Mars' Radiation & More Space News
We tend to think of planets and stars as very different things, but the border between very large planets and very small stars is surprisingly hazy. Astronomers have spotted about 2,000 so-called “brown dwarfs,” objects that are dozens of times larger than Jupiter, but not quite large enough to kick off a sustained fusion reaction. Now, we’re discovered one that could teach us about the dawn of the universe — here’s everything we know about it, plus all the latest news from space.
Meet "The Accident"
The Latest from Space
The researchers set out to answer two key questions for a hypothetical crewed Mars mission: Is it possible to safely send astronauts to Mars?
Several weeks ago, Perseverance failed to collect its sample after drilling into a rock, a mystery that took NASA a few days to solve.
A new analysis supports the notion that there’s something out there, and it also narrows the region we need to search if we want to find the contentious Planet Nine.
The sun won’t consume the earth for another few billion years. In the meantime, we can look at other sun-like stars and see what they’ve been up to – and even what they’ve eaten.