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Venus has become somewhat gezegde

 Venus has become somewhat of a 'forgotten planet' with the emphasis on Mars exploration in the U.S.. But Venus can tell us about Earth's future and about planets around other stars -- I expect we will discover a number of surprises from this most capable new mission.

 We need more Venus missions to really answer the biggest mysteries about the planet. Venus Express will be a great mission and will tell us a lot about the planet, but I think to really make the next leaps in understanding Venus we're going to have to do something more than just orbit the planet. We need to take the plunge and explore the clouds and the surface directly.

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 Venus Express is equipped to peer beneath the thick clouds that encircle the planet and probe the mysteries of Venus with a precision never achieved before, and find out why Venus evolved so differently to Earth.

 There are so many interesting questions about Venus. Venus was once quite similar to Earth, but now the two planets are very different. Why are they so different now and when did this change start?

 We hope to identify these mysterious compounds -- compare Venus to Earth and Mars to see how Venus went so badly wrong.

 With the arrival of Venus Express, ESA is the only space agency to have science operations under way around four planets: Venus, the moon, Mars and Saturn. We are really proud to deliver such a capability to the international science community.

 That's Mars. And over there, that is Venus. What a treat - two planets in the same sky.

 This discovery is particularly exciting because the habitable zone for these stars - the region where a planet would be the right temperature for liquid water - is close to the star. Planets that are close to their stars are easier to find. The first truly Earth-like planet we discover might be a world orbiting a red dwarf.

 Venus is very unpleasant. We know the greenhouse effect on Earth is a very interesting topic. Maybe with Venus, we can better understand how our own atmosphere works.

 Venus is extremely inhospitable for life, whereas Earth is a great place to live. If these planets were created about the same time, why would Earth take on such a different character?

 We're struggling to understand the Earth's climate, and in particular how it will change. And it is in fact changing in the direction towards being more like Venus, more CO2 (carbon dioxide) in the atmosphere, higher temperatures. I'm not saying the Earth will ever become as extreme as Venus, but it's moving in that direction.

 With the arrival of MRO and its very powerful, highly capable payload, we expect to enter into yet another chapter of Mars exploration. In addition to studying Mars as a system, MRO will also be looking at areas that are potential landing sites for our future landed missions.

 And it is in fact changing in the direction towards being more like Venus, more CO2 (carbon dioxide) in the atmosphere, higher temperatures. I’m not saying the Earth will ever become as extreme as Venus, but it’s moving in that direction.

 Just one day after arrival, we are already experiencing the hot, dynamic environment of Venus. We will see much more detail at an unprecedented level as we get over 100 times better resolution as we get closer to Venus, and we expect to see these spiral structures evolve very quickly.

 Earth is the laboratory for future discoveries on Mars. Without examining Earth's extreme environments, we wouldn't understand how processes worked to shape the landscape, chemistry and life at the limits. Without that understanding, we couldn't draw conclusions about how life can develop on other planets. By examining these windows to Mars, scientists step out of the vicarious and into real features on Earth that function similarly to those on Mars.


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Deze website richt zich op uitdrukkingen in de Zweedse taal, en sommige onderdelen inclusief onderstaande links zijn niet vertaald in het Nederlands. Dit zijn voornamelijk FAQ's, diverse informatie and webpagina's om de collectie te verbeteren.


Barnslighet är både skattebefriat och gratis!

Vad är gezegde?
Hur funkar det?
Vanliga frågor
Om samlingen
Ordspråkshjältar
Hjälp till!