They say that astronauts looking down on Earth gain a sense of perspective that changes them forever. They begin to understand how much we are a part of our planet, and how much it is a part of us. The astronauts are 400 kilometres off the surface of Earth, and while the top of Kubu...
Partly. because it has been very hard to write down a successful theory of MOND or modified gravity. And partly because it turned out that when we turned our microwave telescopes to look at cosmic background radiation (CMB), the light from the early universe, it turned out that, according ...
What's the moon phase tonight? While the moon has four primary phases each month, it is always changing. As you observe the moon during the month, watch as it grows from a new moon to a first quarter moon. As it grows, it is known as a waxing moon, and gradually increases from a...
“The simple explanation for the Red Planet’s color is that its regolith, or surface material, contains lots of iron oxide — the same compound that gives blood and rust their hue.” However, the more complex answer is that during the formation of the planet, iron, a ...
The requested information then travels in reverse order through the same path, from the Earth station to the satellite, and down to the user’s dish. In general, low-Earth orbit (LEO) satellites, which are relatively close to the surface of the planet, provide less latency than high-orbit...
Elon Musk has made a lot of predictions about Mars, including that we could have thebeginnings of a human colony this decade. Musk envisions a fleet of more than 100 Starships, gathering in orbit of Earth to depart en masse for Mars every 26 months when the planet is closest. Each of ...
If you are interested in viewing the solar system planets up close, you’ll want a telescope with plenty of aperture. A Dobsonian telescope with a mirror of at least 8″ is a great choice, but 10″ or 12″ is even better. If you want tophotograph planetsin detail, a high magnification...
Some people love receiving over-the-top gifts, like a cashmere potholder or diamond-encrusted anything. But then there are the giftees who only crave what they can actually use. They’d willingly forgo the bells and whistles and high-tech upgrades if it meant the product they’d receive ...
What is the average temperature on Mercury? Mercury: Mercury is the closest planet to our sun. It circles the sun every 88 days, rather than Earth's orbit of 365 days. The surface of Mercury is rocky and resembles that of Earth's moon. It is a dense planet, but not the hottest. ...
(Image credit: What Hi-Fi? / Netflix, Our Planet II) 1. Sony Bravia 8 What Hi-Fi? Product of the Year Winner: the best overall and mid-range OLED currently available Specifications Screen size: 65-inches (also available in 55- and 77-inches) Type : OLED Backlight: NA Resolution: ...