Last week, scientists from the National Solar Observatory predicted a large sunspot would emerge before Thanksgiving. Now the sunspot – AR2786 – is in view. Here’s how they did it. Source: https://earthsky.org/space/nso-predicts-large-sunspot-thanksgiving-nov2020…
Tag: solar wind
Werner Herzog On Asteroids, Star Wars, and the ‘Obscenity’ of a City On Mars
78-year-old filmmaker Werner Herzog shared some interesting thoughts before the release of his new documentary on asteroids, Fireball: Visitors From Darker Worlds now available on Apple TV+. From Herzog’s new interview with the science site inverse: Herzog tells Inverse he’s less concerned than ever that a meteorite will destroy the Earth, but that doesn’t mean we shouldn’t still be worried about…
What is the moon’s terminator line?
The moon’s terminator is the dividing line between day and night on the moon. As we see it from Earth, it marks the line of lunar sunsets or sunrises. Earth and other worlds in our solar system have terminator lines, too. Source: https://earthsky.org/astronomy-essentials/definition-moon-planet-terminator-line-twilight-zone…
Hubble telescope reveals asteroid Psyche’s rusty surface
Scientists already had Psyche classified as a metallic asteroid, but new observations with the Hubble telescope reveal its rusty surface and provide scientists with a unique view into what Earth-like planets are like during their formation. Source: https://earthsky.org/space/hubble-asteroid-psyche-iron-nickel-rust-protoplanet…
We can harness the solar wind to sail to the farthest corners of space
Rockets eventually run out of fuel, which limits how far they can go. But now we are mastering the art of solar sailing, we can expect to keep exploring into distant, uncharted space Source: https://www.newscientist.com/article/mg24833061-100-we-can-harness-the-solar-wind-to-sail-to-the-farthest-corners-of-space/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…
Voyager Spacecraft Detect An Increase In the Density of Space Outside the Solar System
As Voyager 2 moves farther and farther from the Sun, the density of space is increasing. “It’s not the first time this density increase has been detected,” notes SciencAlert. “Voyager 1, which entered interstellar space in 2012, detected a similar density gradient at a separate location.” From the report: Voyager 2’s new data show that not only was Voyager 1’s detection…
Venus flyby on the way to Mercury
On Saturday, October 20, 2018, the BepiColombo space probe set off on its journey to Mercury from the European spaceport in Kourou, French Guiana. The 6.40 meters high and 4.1 tons heavy BepiColombo space probe consists of two spacecraft: the Mercury Planetary Orbiter (MPO), which was constructed by the European Space Agency, ESA, and the Mercury Magnetospheric Orbiter (MMO), which was…
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…
What are brown dwarfs?
A brown dwarf is more massive than a planet, but less massive than a star. Exactly how much more and less? Source: https://earthsky.org/space/definition-what-are-brown-dwarfs…
Researchers track slowly splitting ‘dent’ in Earth’s magnetic field
A small but evolving dent in Earth’s magnetic field can cause big headaches for satellites. Source: https://earthsky.org/earth/researchers-track-dent-in-earths-magnetic-field…