Large objects, such as baseballs, vehicles, and planets, behave in accordance with the classical laws of mechanics formulated by Sir Isaac Newton. Small ones, such as atoms and subatomic particles, are governed by quantum ...
Quantum Physics
Nov 17, 2020
3
783
Four-hundred fifty light-years from Earth, a young star is glowing at the center of a system of concentric rings made from gas and dust, and it is producing planets, one for each gap in the ring.
Astronomy
Sep 15, 2020
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428
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) took a census of stellar eggs in the constellation Taurus and revealed their evolution state. This census helps researchers understand how and when ...
Astronomy
Aug 7, 2020
0
80
Measurements from NASA's Transiting Exoplanet Survey Satellite (TESS) have enabled astronomers to greatly improve their understanding of the bizarre environment of KELT-9 b, one of the hottest planets known.
Astronomy
Jun 30, 2020
0
409
In an area stretching from Africa to South America, Earth's magnetic field is gradually weakening. This strange behaviour has geophysicists puzzled and is causing technical disturbances in satellites orbiting Earth. Scientists ...
Space Exploration
May 20, 2020
12
9815
Think of it as a celestial parlor game: What is the minimum number of satellites needed to see every point on Earth? And how might those satellites stay in orbit and maintain continuous 24/7 coverage while contending with ...
Space Exploration
Jan 10, 2020
3
192
The European Space Agency said Tuesday it had altered the trajectory of one of its observation satellites to avoid a possible collision with a craft operated by Elon Musk's SpaceX.
Space Exploration
Sep 3, 2019
2
126
This image from the NASA/ESA Hubble Space Telescope shows NGC 5307, a planetary nebula that lies about 10,000 light-years from Earth. It can be seen in the constellation Centaurus (the Centaur), which can be seen primarily ...
Astronomy
Sep 2, 2019
1
1005
Today, large-scale communication satellite constellations, also known as megaconstellations, have been more and more popular. OneWeb launched the first batch of satellites of an initial 650-satellite constellation in February ...
Space Exploration
Jul 12, 2019
2
102
Anxiety has set in across the space industry ever since the world's richest man, Jeff Bezos, revealed Project Kuiper: a plan to put 3,236 satellites in orbit to provide high-speed internet across the globe.
Space Exploration
May 8, 2019
3
464
