RollingThunder
Gold Member
- Mar 22, 2010
- 4,818
- 522
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Nope! That's you, as you make very, very obvious....like right here in this demented post of yours....
See how ignorant you are.
How did the Sun's brightness change during its first few billion years?
Ask the Astronomer
Dr. Sten Odenwald
Although its brightness seems pretty constant today, it did change in a very complicated way while it was still forming from infalling gas and dust. It was actually tens to hundreds of times more luminous, but mostly as an infrared 'star'. Then when its nuclear fusion reactions kicked-in, stellar evolution models show that it began to stabilize within a few million years as a star with a power about 70% of its current output. Soon after it formed, the Sun was actually dimmer than it is today. It has grown steadily in power as it has evolved as a star, and will continue to increase in power for the next seven billion years. During most of this time, the power will increase by about 1% every 300 million years. In the distant past, our atmosphere was loaded with greenhouse gases such as carbon dioxide and methane so these gases could have kept water in a liquid form on Earth's surface even when the Sun was 30% dimmer than today. By 500 million years from now, the power of the Sun will be several percent higher. This will cause extensive heating of Earth, the destruction of the biosphere, and by one billion years from now, the evaporation of the oceans into a Venus-like atmosphere.
Wrong again, little retard!
What is coral bleaching?
United States National Oceanic and Atmospheric Administration
When corals are stressed by changes in conditions such as temperature, light, or nutrients, they expel the symbiotic algae living in their tissues, causing them to turn completely white.
Warmer water temperatures can result in coral bleaching. When water is too warm, corals will expel the algae (zooxanthellae) living in their tissues causing the coral to turn completely white. This is called coral bleaching. When a coral bleaches, it is not dead. Corals can survive a bleaching event, but they are under more stress and are subject to mortality.
In 2005, the U.S. lost half of its coral reefs in the Caribbean in one year due to a massive bleaching event. The warm waters centered around the northern Antilles near the Virgin Islands and Puerto Rico expanded southward. Comparison of satellite data from the previous 20 years confirmed that thermal stress from the 2005 event was greater than the previous 20 years combined.
Wrong again, little retard!
Although warmer temperatures are the main factor causing the current world wide coral bleaching - die-offs, the oceans are absorbing a lot of the excess CO2 mankind is adding to the atmosphere, resulting in ocean acidification, and changes in water chemistry (in particular acidification) are one of the other factors adding to the stress-caused bleaching. It is the added CO2 in the oceans that is contributing to the problem, NOT "atmospheric concentration of CO2".
It is not the 400ppm CO2 levels, per se, dumbass. It is the effects of the increased CO2 levels on ocean temperatures and ocean acidification that are threatening the coral viability.
