A new study suggests that the Gulf Stream – an Atlantic Ocean current that plays a large role in shaping Earth’s weather patterns – is weaker now than at any point in the last 1,000 years. Source: https://earthsky.org/earth/gulf-stream-atlantic-weakest-in-over-1000-years…
Tag: sea level
What’s the coldest Earth has ever been?
Our planet’s history includes episodes of cold so extreme that glaciers reached sea level in equatorial regions. Source: https://earthsky.org/earth/whats-coldest-earth-has-ever-been…
How to prevent crashes between orbiting satellites
Thousands more satellites will soon orbit Earth. We need better rules to prevent space crashes. Source: https://earthsky.org/space/satellites-prevent-space-crashes…
2020 tied for warmest year on record
2020 was Earth’s hottest year in the 140-year record, effectively tying 2016, the previous record-holder. Source: https://earthsky.org/earth/2020-tied-for-warmest-global-year-on-record…
How will sea levels change with climate change?
Sea level changes are not happening uniformly across Earth’s oceans. Here’s why. Source: https://www.livescience.com/where-sea-levels-are-changing.html
SpaceX Begins a Day With Two Falcon 9 Launches, Seventh Flight of a Recycled Rocket
While tonight will see SpaceX’s 16th launch of its broadband satellites, that launch will also make history, reports CNET: The first stage of the Falcon 9 rocket is set to make its seventh flight, which would be a record for rocket recycling for the company. The booster previously flew on four Starlink missions and a pair of larger telecom satellite launches….
Why Arctic sea ice has stalled, and what it means for the rest of the world
In the next few decades, scientists expect we’ll see an ice-free Arctic Ocean throughout the summer. That prospect got much closer in 2020, due in part to the exceptional summer heatwave that roiled the Russian Arctic. Source: https://earthsky.org/earth/why-arctic-winter-sea-ice-stalled-2020…
US Formally Withdraws From Paris Climate Agreement
An anonymous reader quotes a report from The Intercept: The United States officially withdrew from the Paris Agreement on Wednesday, casting the stakes of the still-undecided presidential election in planetary terms. With the completion of the formal withdrawal process, which Trump began in June 2017, the U.S. became the only country in the world not to participate in the global effort…
Worsening rifts, fractures spotted at 2 important Antarctic glaciers
Satellite imagery has revealed that 2 of the fastest-changing glaciers in Antarctica are fracturing and weakening faster than ever, a step towards the glaciers disintegrating and causing sea levels to rise dramatically. Source: https://earthsky.org/earth/worsening-rifts-fractures-2-important-antarctic-glaciers…
What is interstellar space?
You might be surprised to learn that interstellar space isn’t just vacuum. It’s full of gases, elements, and dust – very thinly spread, to be sure – but the building blocks of stars and planets. Source: https://earthsky.org/astronomy-essentials/definition-what-is-interstellar-space…