SpaceX rocket piece on track to collide with the moon
This is believed to be the first unintentional case of space junk hitting the moon, one astronomer said.
Watch CBS News
This is believed to be the first unintentional case of space junk hitting the moon, one astronomer said.
Technically, it could also see details as small as a U.S. penny at a distance of about 25 miles.
The latest discovery has "expanded the definition of a potentially habitable world in our solar system and beyond," scientists say.
With Webb on station, engineers will focus on aligning the telescope's optical system.
If all goes well, Webb will be 100 times more powerful than Hubble — so sensitive to infrared light that it could detect the faint heat of a bumble bee as far away as the moon.
The two satellites will monitor other spacecraft in the high altitudes favored by communications stations and spycraft.
It was SpaceX's third orbital launch in just 12 days.
January 18 will be the closest the asteroid has come to Earth since 1933.
The world-first study found that more than 3 million red blood cells were killed a second in space, compared to just 2 million on Earth.
SpaceX plans up to four commercial rideshare missions per year to provide low-cost access to space.
The revelation came as China's lunar rover drove closer to the site of the object that was once believed to be as tall as Paris' Arc de Triomphe.
Scientists elated with completion of complex Webb space telescope deploy sequence.
The 49 Starlink internet satellites launched Thursday pushed the total orbited to date to 1,993.
The red supergiant was 10 times larger than our sun, scientists say.
With the secondary mirror in place, controllers will deploy final mirror segments by end of week.