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Comet 67P in deep space. Photo: ESA/Rosetta/NavCam

A newly selected European Space Agency mission expected to launch in 2028 is designed to get up close and personal with a comet.

Why it matters: If all goes according to plan, the new mission — named the Comet Interceptor — will give us an unprecedented look at a pristine comet that has never visited the inner solar system before and hasn’t been altered by the heat of the Sun.

  • “Pristine or dynamically new comets are entirely uncharted and make compelling targets for close-range spacecraft exploration to better understand the diversity and evolution of comets,” Günther Hasinger, ESA’s director of science, said in a statement.

The big picture: Comets like these are thought to be preserved leftovers from the dawn of the solar system and could help unlock how Earth got its water.

Details: Comet Interceptor is designed to lie in wait in space until a pristine comet is spotted as it moves into the heart of the solar system.

  • Once the target is set, the spacecraft — which is comprised of three modules that can separate from one another — will then move to map and study it.

One fun thing: Because of the mission design, it’s also possible that the spacecraft could intercept a visitor from outside the solar system.

  • If scientists spot another interstellar asteroid or comet like Oumuamua — the asteroid from another solar system that shot through ours in 2017 — the spacecraft could target that object instead.

The backdrop: This won’t be ESA’s first mission to a comet. The space agency also studied Comet 67P from close range with its Rosetta spacecraft and Philae lander. That comet, however, is far from pristine, having flown toward the Sun many times.

Go deeper

Updated 3 hours ago - Politics & Policy

Coronavirus dashboard

Illustration: Eniola Odetunde/Axios

  1. Health: Most vulnerable Americans aren't getting enough vaccine information — Fauci says Trump administration's lack of facts on COVID "very likely" cost lives.
  2. Politics: Biden unveils "wartime" COVID strategyBiden's COVID-19 bubble.
  3. Vaccine: Florida requiring proof of residency to get vaccine — CDC extends interval between vaccine doses for exceptional cases.
  4. World: Hong Kong to put tens of thousands on lockdown as cases surge.
  5. Sports: 2021 Tokyo Olympics hang in the balance.
  6. 🎧 Podcast: Carbon Health's CEO on unsticking the vaccine bottleneck.

Trump impeachment trial to start week of Feb. 8, Schumer says

Senate Majority Leader Chuck Schumer. Photo: The Washington Post via Getty

The Senate will begin former President Trump's impeachment trial the week of Feb. 8, Majority Leader Chuck Schumer announced Friday on the Senate floor.

The state of play: Schumer announced the schedule after reaching an agreement with Republicans. The House will transmit the article of impeachment against the former president late Monday.

4 hours ago - Health

CDC extends interval between COVID vaccine doses for exceptional cases

Photo: Joseph Prezioso/AFP via Getty

Patients can space out the two doses of the coronavirus vaccine by up to six weeks if it’s "not feasible" to follow the shorter recommended window, according to updated guidance from the Centers for Disease and Control and Prevention.

Driving the news: With the prospect of vaccine shortages and a low likelihood that supply will expand before April, the latest changes could provide a path to vaccinate more Americans — a top priority for President Biden.

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