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Mysteriously bright flash is a black hole jet pointing straight toward Earth, astronomers say（图）
黑洞生长 超大质量黑洞 兹威基瞬态设施 天文观测
2023/6/9
Earlier this year, astronomers were keeping tabs on data from the Zwicky Transient Facility, an all-sky survey based at the Palomar Observatory in California, when they detected an extraordinary flash...
When it comes to directly imaging Earth-like exoplanets orbiting faraway stars, seeing isn’t always believing.
Scientists at Cornell and the American Museum of Natural History have identified 2,034 nearby star-systems – within the small cosmic distance of 326 light-years – that could find Earth merely by watch...
Looking to heavens, University of Kansas researchers solve puzzling extinctions on Earth（图）
solar system galaxy
2007/5/23
May 18, 2007，LAWRENCE — In 2005, University of California-Berkeley researchers Robert Rohde and Richard Muller revealed that massive die-offs occur on Earth with startling regularity — about once ever...
Earth’s Retirement Home（图）
Solar System galaxy
2007/5/23
May 20, 2007，New calculations are helping scientists understand what will happen to the Earth and the Sun when our Milky Way galaxy collides with the neighboring Andromeda galaxy. The findings show th...
Several Jupiter sized planets found to have only weak Earth like gravity（图）
Jupiter solar system
2007/5/11
2 May 2007，Astrophysicists at the University of Warwick have found that several Jupiter sized gas giants beyond our solar system have surface gravities much closer in strength to Earth than the intens...
Scientists Use Earth-based Instruments to Document Mercury’s Molten Core（图）
Mercury planetary physics
2007/5/8
3 May 2007，Scientists using Earth-based instruments have discovered that Mercury’s core is partially molten and moving independently from the planet’s other layers, according to research in the 4 May ...
U.S. Earth-Observing Satellites in Jeopardy, American Association for the Advancement of Science Board Cautions
space-science climate change
2007/5/8
30 April 2007，As U.S. policy-makers prepared for hearings on space-science and climate-change research, American Association for the Advancement of Science is warning that budget cuts are threatening ...
April 25, 2007，A giant red orb in the sky shines down on planet Gliese 581c during the day, and at night the bright lights of two neighboring planets move gently through the starry skies. On the surfa...
"Lunar A" to Stay on Earth
Lunar A spacecraft
2007/2/6
19 January 2007，Lunar A was to be composed of a mother ship and two torpedo-shaped penetrators, each 80 centimeters long and 16 centimeters in diameter. The penetrators were to be dropped from the spa...
Jan 25, 2007，In his book, “Space on Earth”，microbiologist Charles Cockell urges space scientists and environmentalists to work together for the future for humanity.
Astronomers Confirm Asteroid KW4 is No Threat to Earth -- at Least for a Thousand Years（图）
Asteroid KW4 dynamics
2006/12/4
November 16, 2006，The Arecibo Observatory's powerful radar -- a keen eye aimed into the sky -- has made the most detailed observations ever of a binary near-Earth asteroid. This information provides c...
national Aeronautic and space administration Study Shows Titan and Early Earth Atmospheres Are Similar
Saturn's moon haze Titan
2006/11/15
6 NOV 2006,Organic haze in the atmosphere of Saturn's moon, Titan, is similar to haze in early Earth's air -- haze that may have helped nourish life on our planet-- according to a NASA Astrobiology In...