How Bright Will Comet ISON Be? A Look Back to 1680
At the end of next month, Comet ISON is expected to be at its brightest, when it is nearest to the Sun. Still, no one knows exactly what it will look like.
At the end of next month, Comet ISON is expected to be at its brightest, when it is nearest to the Sun. Still, no one knows exactly what it will look like. And so, to provide a hint, NASA dug up the image above, which is Comet Kirch, the Great Comet of 1680 that is pictured above a crowd of Rotterdam in the Netherlands. Some people in the crowd are holding cross-staffs, a primitive angle measuring device.
This image is a painting by Lieve Versheier, and it represents the moment when Comet Kirch was also nearest to the Sun.
Illustration Credit: Lieve Verschuier
Swipe right to make the connections that could change your career.
Swipe right. Match. Meet over coffee or set up a call.
No, we aren't talking about Tinder. Introducing Shapr, a free app that helps people with synergistic professional goals and skill sets easily meet and collaborate.
A completely unexpected discovery beneath the ice.
- Scientists find remains of a tardigrade and crustaceans in a deep, frozen Antarctic lake.
- The creatures' origin is unknown, and further study is ongoing.
- Biology speaks up about Antarctica's history.
Jeff Bezos, the founder of Amazon.com, explains his plan for success.
- Jeff Bezos had a clear vision for Amazon.com from the start.
- He was inspired by a statistic he learned while working at a hedge fund: In the '90s, web usage was growing at 2,300% a year.
- Bezos explains why books, in particular, make for a perfect item to sell on the internet.
It's one factor that can help explain the religiosity gap.
- Sociologists have long observed a gap between the religiosity of men and women.
- A recent study used data from several national surveys to compare religiosity, risk-taking preferences and demographic information among more than 20,000 American adolescents.
- The results suggest that risk-taking preferences might partly explain the gender differences in religiosity.
SMARTER FASTER trademarks owned by The Big Think, Inc. All rights reserved.