Hubble Glimpses a Galaxy Among Many
Looking deep into the universe, the NASA/ESA Hubble Space Telescope catches a passing glimpse of the numerous arm-like structures that sweep around this barred spiral galaxy, known as NGC 2608. Appearing…
Hubble Catches Cosmic Snowflakes
Almost like snowflakes, the stars of the globular cluster NGC 6441 sparkle peacefully in the night sky, about 13,000 light-years from the Milky Way’s galactic center. Like snowflakes, the exact…
30 Years of the Hubble Space Telescope
On April 25, 1990, the Hubble Space Telescope was deployed from the cargo bay of space shuttle Discovery. Here, Hubble has one of its two solar array panels deployed while still in the…
Shining a Light on Dark Matter
Dark matter, although invisible, makes up most of the universe’s mass and creates its underlying structure. Dark matter’s gravity drives normal matter (gas and dust) to collect and build up into stars…
Interstellar Comet Borisov Reveals Its Chemistry and Possible Origins
On Aug. 30, 2019, when amateur astronomer Gennady Borisov gazed upward with his homemade telescope, he spotted an object moving in an unusual direction. Now called 2I/Borisov, this runaway point…