Phys.org - News and Articles on Science and Technology
网页2007年10月6日 · The Paris Agreement calls on us to limit global warming to 1.5 degrees Celsius above pre-industrial levels. To reach this goal, we need to reduce CO₂ emissions and remove existing CO₂ from the ...
Earth's orbit around the sun - Phys.org
网页2014年11月24日 · First of all, the speed of the Earth's orbit around the Sun is 108,000 km/h, which means that our planet travels 940 million km during a single orbit. The Earth completes one orbit every 365. ...
How far are the planets from the Sun? - Phys.org
网页2014年4月22日 · Closest: 1.35 billion km / 839 million miles (9.05 AU) Furthest: 1.51 billion km / 938 million miles (10.12 AU) Average: 1.43 billion km / 889 million miles (9.58 AU) Closest to Saturn from Earth ...
What will the planet look like in 50 years? Here's how climate ...
网页2021年9月10日 · Hausfather, along with co-author Schmidt, compared 17 model projections of global average temperature developed between 1970 and 2007 with actual changes in global temperature observed through the ...
How social media is changing the way people get to know one …
网页2021年10月27日 · Credit: Unsplash/User dole777. Social media has the ability to connect us with almost anyone in the world, but it can also change the way brains form new social relationships, maintain current ...
Global temperatures over last 24,000 years show today's warming ...
网页2021年11月10日 · The magnitude and rate warming over the last 150 years far surpasses the magnitude and rate of changes over the last 24,000 years. "This reconstruction suggests that current temperatures are ...
Astronomy News - Space News, Exploration News, Earth Science …
网页The James Webb Space Telescope (JWST) is the largest and most powerful space telescope built to date. Since it was launched in December 2021 it has provided groundbreaking insights. These include ...
Climate explained: What is an ice age and how often do they …
网页2021年9月28日 · The most recent ice age is the one we are currently experiencing, the late Cainozoic-Quaternary Ice Age, which began around 34 million years ago with the glaciation of Antarctica. Between these ...
Flat wrong: the misunderstood history of flat Earth theories
网页2016年1月29日 · Turtles all the way down. However, from at least the 6th century BCE, the theory of the flat Earth began to fall out of favour. By the time we get to Aristotle in the 4th century BCE, the idea of ...
网页Ecological succession is the process by which natural communities replace (or "succeed") one another over time. For example, when an old farm field in the midwestern U.S. is abandoned and left ...