HD 189733b orbits its sun very closely and is considered a "hot Jupiter". It is the second planet outside the solar system where water vapor has been discovered
Astronomers have discovered water vapor in the atmosphere of a giant planet outside the solar system. The discovery of the planet HD 189733b was made using the Spitzer Space Telescope, and the report on it was published in the journal Nature.
The team looked for signs of water absorbing starlight passing through the edge of the atmosphere as the planet crosses in front of its sun. It is only the second planet outside the solar system where water has been discovered.
Some researchers suggest that the presence of water may be a common feature of all gas giants - the type of planets in the solar system represented by Jupiter, Saturn, Uranus and Neptune. The "holy grail" of today's planet hunters is to discover an Earth-like planet whose atmosphere contains water. Giovanna Tint Y from University College London says she was delighted to discover the find.
HD 189733b orbits a star in the Vulpecula system and is 64 light-years away from the Sun. Although water is an important component of biology, the planet in question is too hot to support life. It orbits very close to its star - about one-thirtieth of the distance between the Earth and the Sun. In this orbit, temperatures range from 930 degrees Celsius on the day side of the planet to 472 degrees Celsius on the night side. This type of planet is known as "hot Jupiter".
4 תגובות
No, Hanukkah is only in 8 months.
A question to Avi Bilzovsky, forgive me, that is not related to the article
How the astronauts on the space station can last
For a long time they don't get suffocated, they don't suffocate
Just one small correction, even on Earth there are organisms that are able to exist in extreme temperatures (over 100 Celsius), radiation, lack of water and more.
A. Hydrogen is considered the most common element in nature. If we have so much water on Earth, why shouldn't there be water everywhere else? All you need is to know how to find them
B. The fact that biology on Earth cannot handle a temperature of below minus one hundred degrees or above one hundred degrees Celsius - still does not mean that biology on other stars did not succeed in developing. After all, to get "life" all you need is a little divine magic and - poof...