Water and Organic Compounds Found on a Second Asteroid
Six months ago, in late April, Research teams at the NASA Infrared Telescope facility in Hawaii made an astonishing discovery. They found that both water ice and organic compounds exist on an asteroid named 24 Themis which circles the Sun between the orbits of Mars and Jupiter. The discovery stole the headlines, and it was thought to support the notions that asteroids may have long ago been the delivery system for a lot of the materials that are essential for life here on Earth.
Well, on Friday the headlines were swamped again, as scientists confirmed the discovery of water ice and organic molecules on a second asteroid (65 Cybele) in the same region of the asteroid belt. Although the asteroids only contain very thin layers of ice, they suggest that water may be quite common on asteroids after all.
You will have to wait to read the entire research study in the European Journal of Astronomy and Astrophysics after it's submitted by the team, but in the meantime you can scroll through a variety of different research papers in the free section on the journal's website. If you would like to be alerted as new articles are published online, you can sign up for their e-mail alerts.
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A NASA astronomer explains how astronauts dispose of their, uh, dark matter.
- When nature calls in micro-gravity, astronauts must answer. Space agencies have developed suction-based toilets – with a camera built in to ensure all the waste is contained before "flushing".
- Yes, there have been floaters in space. The early days of space exploration were a learning curve!
- Amazingly, you don't need gravity to digest food. Peristalsis, the process by which your throat and intestines squeeze themselves, actually moves food and water through your digestive system without gravity at all.
The Harvard psychologist loves reading authors' rules for writing. Here are his own.
- Steven Pinker is many things: linguist, psychologist, optimist, Harvard professor, and author.
- When it comes to writing, he's a student and a teacher.
- Here's are his 13 rules for writing better, more simply, and more clearly.
A growing body of research shows promising signs that the keto diet might be able to improve mental health.
- The keto diet is known to be an effective tool for weight loss, however its effects on mental health remain largely unclear.
- Recent studies suggests that the keto diet might be an effective tool for treating depression, and clearing up so-called "brain fog," though scientists caution more research is necessary before it can be recommended as a treatment.
- Any experiments with the keto diet are best done in conjunction with a doctor, considering some people face problems when transitioning to the low-carb diet.
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