The James Webb Space Telescope faced criticism due to its high cost and concerns about its environmental impact, particularly the use of beryllium in its construction.

The ethical concern of violating indigenous rights on Mars arises from the possibility of life existing on the planet and the need to respect potential Martian life forms.

NASA's decision to send the Pioneer Venus Orbiter and Multiprobe mission to Venus in the 1970s faced criticism due to concerns about the potential impact of the probes on the planet's environment.

Space tourism raises concerns about the pollution of Earth's orbit with space debris, which can pose risks to satellites and other spacecraft.

The construction of a spaceport in Hawaii faced criticism due to concerns about its potential to disrupt indigenous communities and cultural heritage sites.

The ethical concern of inequality in access to space exploration opportunities arises from the potential for privatization to limit participation in space exploration to a small group of wealthy individuals or organizations.

The Perseverance rover mission faced criticism due to concerns about the potential for introducing invasive species to Mars through the rover's wheels and other equipment.

The primary financial concern associated with deep space exploration missions is the high cost of developing and launching spacecraft, which can amount to billions of dollars.

The deployment of a solar shield in space faced criticism due to concerns about its potential to disrupt Earth's magnetic field, which could have negative consequences for wildlife and navigation systems.

The ethical concern of unfair distribution of benefits from space resources arises from the potential for a small group of individuals or organizations to monopolize the benefits of space mining, leading to inequality and conflict.

The Artemis program faced criticism due to concerns about the potential for its lunar missions to disturb lunar dust and create a hazardous environment for future missions.

The primary environmental concern associated with the launch of satellites into low Earth orbit is the increase in space debris, which can pose risks to satellites and other spacecraft.

The Europa Clipper mission faced criticism due to concerns about the potential for its spacecraft to contaminate the pristine environment of Europa, a moon of Jupiter believed to have a subsurface ocean.

The ethical concern of increased risk of conflict and militarization in space arises from the potential for space resources to be used for military purposes, leading to increased tensions and the possibility of armed conflict in space.

The Perseverance rover mission faced criticism due to concerns about the potential for its rocket-powered descent to disrupt the delicate balance of Mars' atmosphere.