Is Exploring Space Hazardous to Our Health?

10/1/2021 SUBSCRIBE TODAY ​ NEWS BLOGS VIDEOS SHOP NEWS & FEATURES NASA Is exploring space hazardous to our health? Scientists are pursuing a slew of paths to better understand what happens to human bodies in deep space. READ MORE NASA/JPL-Caltech/IPAC Sodium may make asteroid Phaethon fizzle Bubbly sodium could explain this asteroid's cometlike behavior. READ MORE J. O'Donoghue (JAXA)/Hubble/NASA/ESA/A. Simon/J. Schmidt Jupiter’s aurorae trigger heat waves The same forces that produce dazzling displays of light above Jupiter’s poles also pack some serious heat. READ MORE NASA, CC BY-NC How many satellites are orbiting Earth? In the past decade, the number of satellites in orbit has skyrocketed thanks to tiny electronics and cheap launches. The crowded night sky is posing problems for astronomers and astronauts. READ MORE ESO Ask Astro: Does Planet Nine have enough mass to be a black hole? I’ve seen it suggested that the hypothetical planet Nine could be a black hole five to 10 times the mass of Earth. As I understood it, however, the minimum weight of a black hole is 3 solar masses, so how could the Planet be a black hole? READ MORE OBSERVING NASA/JPL/Space Science Institute The sky this week Your daily digest of celestial events coming soon to a sky near you. READ MORE PICTURE OF THE DAY Giovanni Tumino from Ragusa, Italy Black letter Barnard’s E is a combination of two dark nebulae that lie some 2,000 light-years away in the constellation Aquila the Eagle. Barnard 142 is the C-shaped feature, while B143 is the relatively straight line below it. VIEW NOW FEATURED PRODUCTS SHOP ALL ASTRONOMY NEED ASSISTANCE? CONTACT US SUBSCRIPTION CUSTOMER SERVICE VISIT OUR WEBSITE LIKE US ON FACEBOOK RENEW YOUR SUBSCRIPTION GIVE A GIFT Unsubscribe Preferences Customer Service Privacy Policy View in Browser This message was sent to ceo.studentlike.spuniv@blogger.com © 2021 Kalmbach Media Co. 21027 Crossroads Circle Waukesha, WI 53186