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ESA Top News
2 Aug 2019, 08:18 UTC
On 25 July, an asteroid the size of a football field flew by Earth, coming within 65 000 km of our planet’s surface during its closest approach – about one fifth of the distance to the Moon. The 100 m-wide asteroid dubbed '2019 OK' was detected just days before it passed Earth, although archival records from sky surveys show it had previously been observed but wasn't recognised as a near-Earth asteroid.
Asteroid's surprise close approach illustrates need for more eyes on the sky
2 Aug 2019, 08:18 UTC
On 25 July, an asteroid the size of a football field flew by Earth, coming within 65 000 km of our planet’s surface during its closest approach – about one fifth of the distance to the Moon. The 100 m-wide asteroid dubbed '2019 OK' was detected just days before it passed Earth, although archival records from sky surveys show it had previously been observed but wasn't recognised as a near-Earth asteroid.
HubbleSite NewsCenter -- Latest News Releases
1 Aug 2019, 14:00 UTC
Hubble Uncovers a 'Heavy Metal' Exoplanet Shaped Like a Football
1 Aug 2019, 14:00 UTC
NASA's Goddard Space Flight Center
31 Jul 2019, 14:00 UTC
A piping hot planet discovered by NASA’s Transiting Exoplanet Survey Satellite (TESS) has pointed the way to additional worlds orbiting the same star, one of which is located in the star’s habitable zone. If made of rock, this planet may be around twice Earth’s size.
Confirmation of Toasty TESS Planet Leads to Surprising Find of Promising World
31 Jul 2019, 14:00 UTC
A piping hot planet discovered by NASA’s Transiting Exoplanet Survey Satellite (TESS) has pointed the way to additional worlds orbiting the same star, one of which is located in the star’s habitable zone. If made of rock, this planet may be around twice Earth’s size.
Harvard-Smithsonian Center for Astrophysics
29 Jul 2019, 18:21 UTC
A Stellar Stream in the Milky Way Provides Evidence of Dark Substructure
29 Jul 2019, 18:21 UTC
NASA's Goddard Space Flight Center
29 Jul 2019, 15:00 UTC
NASA’s newest planet hunter, the Transiting Exoplanet Survey Satellite (TESS), has discovered three new worlds — one slightly larger than Earth and two of a type not found in our solar system — orbiting a nearby star. The planets straddle an observed gap in the sizes of known planets and promise to be among the most curious targets for future studies.
NASA’s TESS Mission Scores ‘Hat Trick’ With 3 New Worlds
29 Jul 2019, 15:00 UTC
NASA’s newest planet hunter, the Transiting Exoplanet Survey Satellite (TESS), has discovered three new worlds — one slightly larger than Earth and two of a type not found in our solar system — orbiting a nearby star. The planets straddle an observed gap in the sizes of known planets and promise to be among the most curious targets for future studies.
NASA's Goddard Space Flight Center
26 Jul 2019, 11:40 UTC
Every now and then, the NASA/ESA Hubble Space Telescope glimpses a common object — say, a spiral galaxy — in an interesting or unusual way. A sharply angled perspective, such as the one shown in this Hubble image, can make it seem as if we, the viewers, are craning our necks to see over a barrier into the galaxy's bright center.
Hubble Snaps a Galactic Potpourri of Particles
26 Jul 2019, 11:40 UTC
Every now and then, the NASA/ESA Hubble Space Telescope glimpses a common object — say, a spiral galaxy — in an interesting or unusual way. A sharply angled perspective, such as the one shown in this Hubble image, can make it seem as if we, the viewers, are craning our necks to see over a barrier into the galaxy's bright center.
NASA's Goddard Space Flight Center
25 Jul 2019, 14:00 UTC
NASA’s Transiting Exoplanet Survey Satellite (TESS) has discovered 21 planets outside our solar system and captured data on other interesting events occurring in the southern sky during its first year of science. TESS has now turned its attention to the Northern Hemisphere to complete the most comprehensive planet-hunting expedition ever undertaken.
NASA’s TESS Mission Completes First Year of Survey, Turns to Northern Sky
25 Jul 2019, 14:00 UTC
NASA’s Transiting Exoplanet Survey Satellite (TESS) has discovered 21 planets outside our solar system and captured data on other interesting events occurring in the southern sky during its first year of science. TESS has now turned its attention to the Northern Hemisphere to complete the most comprehensive planet-hunting expedition ever undertaken.
NASA's Jet Propulsion Laboratory News and Features
25 Jul 2019, 00:01 UTC
Neil Armstrong, Buzz Aldrin and Michael Collins departed from the Moon 50 years ago, but one of the experiments they left behind continues to return fresh data to this day: arrays of prisms that reflect light back toward its source, providing plentiful insights. Along with the Apollo 11 astronauts, those of Apollo 14 and 15 left arrays behind as well: The Apollo 11 and 14 arrays have 100 quartz glass prisms (called corner cubes) each, while the array of Apollo 15 has 300.
