Satellite mega constellations could place “radio quiet” in jeopardy. Credit: NOIRLab/NSF For years, the commercial space sector has been abuzz about the prospect of satellite “super constellations” in Earth orbit.…
Category: Planetary Science
Simulation tracks complete journey of gravitational wave through black hole spacetime
Credit: Unsplash/CC0 Public Domain In a new Physical Review Letters study, researchers have successfully followed a gravitational wave’s complete journey from the infinite past to the infinite future as it…
China’s Tianwen-2 is off to collect an asteroid sample
Credit: Universe Today Asteroids are the ancient remnants of our solar system’s birth, rocky fragments that never formed into planets. Most of these celestial wanderers inhabit the asteroid belt between…
China launches space probe seeking asteroid samples
Credit: Unsplash/CC0 Public Domain China on Thursday launched a space probe on the country’s first mission to retrieve samples from an asteroid and bring them home for research, the Xinhua…
What is Manhattanhenge and when can you see it?
The sun sets as seen between buildings along 42nd Street in New York, May 30, 2023. Credit: AP Photo/Yuki Iwamura, file Twice a year, New Yorkers and visitors are treated…
Is Venus hiding dangerous asteroids?
Most of the solar system’s asteroids are in the main belt between Mars and Jupiter. However, others are co-orbital with planets, like the Jupiter Trojans, which form two groups: one…
Strauss’ ‘Blue Danube’ waltz is launching into space to mark his 200th birthday
This undated photo released by the European Space Agency shows the 35 meter-diameter deep-space dish antenna, DSA-2, in Cebreros, Spain, receiving the first signals from Venus Express. Credit: ESA via…
Hopes for alien life dim as doubts emerge over exoplanet K2-18b chemical signals
An artist’s illustration of the planet K2-18b, one of the prime suspects to host life beyond this solar system. When astronomers announced last month they might have discovered the most…
After two setbacks, SpaceX could try to launch massive Starship next week
SpaceX’s Starship spacecraft. SpaceX said Friday it will make another launch attempt next week of the massive Starship rocket—key to CEO Elon Musk’s long-term vision of colonizing Mars—after two consecutive…
Numerical simulations reveal the origin of barred olivine crystals in early solar system
This figure illustrates the formation and numerical replication of barred olivine, a unique crystalline texture found in chondrules within meteorites. (a) A polarized light micrograph shows a natural chondrule containing…
