NASA’s Hubble Space Telescope has determined the size of the largest icy comet nucleus ever seen by astronomers.

The estimated diameter is approximately 80 miles (120 km) across, making it larger than the state of Rhode Island.

The nucleus is about 50 times larger than found at the heart of most known comets.

Its mass is estimated to be a …

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Earendel - The Most Distant Star Ever Seen

The NASA/ESA Hubble Space Telescope has established an extraordinary new benchmark: detecting the light of a star that existed within the first billion years after the Universe’s birth in the Big Bang (at a redshift of 6.2) — the most distant individual star ever seen.

This sets up a major target for the NASA/ESA/CSA James Webb Space Telescope in its …

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Fictional Asteroid Impact Zone

In an alternate reality playing out at this year’s international Planetary Defense Conference, a fictional asteroid crashes over Europe, ‘destroying’ a region about 100 km wide near the Czech Republic and German border.

The scenario was imagined, but the people who took part are very real, and the lessons learnt will shape our ability to respond to dangerous …

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ESA Teach with Space Online Conference

Register now for ESA’s first-ever virtual teacher conference!

Over the course of three days, from 6 to 8 July 2021, ESA Education will bring space into your classroom.

Explore space by hearing from space experts; discover inspiring ways to use space as a context to teach STEM in your physical and virtual classrooms; experience demonstrations of our fun classroom activities; …

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NASA’s Perseverance Rover Gives High-Definition Panoramic View of Landing Site

NASA’s Mars 2020 Perseverance rover got its first high-definition look around its new home in Jezero Crater on Feb. 21, after rotating its mast, or “head,” 360 degrees, allowing the rover’s Mastcam-Z instrument to capture its first panorama after touching down on the Red Planet on Feb 18. It was the rover’s second panorama ever, as the rover’s Navigation Cameras, …

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Messier 92

…And Here’s What That Means for Astronomy… Early observations of stars in the local universe will pave the way for years of discovery across a range of science topics

The combination of high resolution and infrared-detecting instruments on NASA’s upcoming James Webb Space Telescope will provide astronomers with a wealth of detailed data on individual stars in the local universe.…

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Mars 2020 Animations

This video depicts key events during entry, descent, and landing that will occur when NASA’s Perseverance rover lands on Mars February 18, 2021.

In the span of about seven minutes, the spacecraft slows down from about 12,100 mph (19,500 kph) at the top of the Martian atmosphere to about 2 mph (3 kph) at touchdown in an area called Jezero …

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2020 Solar Eclipse Track

NASA will provide live coverage on Monday, Dec. 14, of a solar eclipse that will pass over South America, treating parts of Chile and Argentina to views of a total eclipse of the Sun.

A Spanish-language program will air on NASA Television and the public channel on the agency’s website.

A separate livestream of the eclipse without narration …

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Artemis Team

NASA has selected 18 astronauts from its corps to form the Artemis Team and help pave the way for the next astronaut missions on and around the Moon as part of the Artemis program.

Vice President Mike Pence introduced the members of the Artemis Team Wednesday during the eighth National Space Council meeting at NASA’s Kennedy Space Center in Florida.…

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Chuck Yeager

This interview with Chuck Yeager was carried out by the Academy of Achievement back in 1991.

And here’s a documentary from 1997 that looks at Yeager’s breaking the sound barrier for the first time:

Resources: Books:

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